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University of Manchester
1.
Rigby, Adam.
THE COMPUTER SIMULATION OFDISCOTIC AND ROD-LIKE
PHASETRANSITIONS FOR A RANGE OFMOLECULAR SHAPES AND
SIZES.
Degree: 2015, University of Manchester
URL: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:259205
► In 1970, Freiser made the theoretical prediction that a biaxial nematic phase could exist. In auniaxial nematic, only one particle axis is aligned but with…
(more)
▼ In 1970, Freiser made the theoretical prediction
that a biaxial nematic phase could exist. In auniaxial nematic,
only one particle axis is aligned but with a biaxial nematic, all
three molecular axes are aligned. This phase is expected to occur
for particle whose shape is intermediate between that of a disc and
a rod. Board and bent-core particles are examples of such
structures. Despite extensive experimental investigation, however,
very few biaxial nematic systems have been found.Yu and Saupe [21]
have shown the occurrence of a biaxial nematic phase generated for
a lyotropic system. Similarly van der Pol observed a biaxial
nematic phase in a colloidal suspension of board-like goethite
particles [22]. For thermotropic, molecular systems, however, the
situation is less clear-cut. Merkel et al., [23] and Figueirinhas
et al., [24] claim that Tetrapodes have can exhibit a biaxial
nematic phase, whilst Acharya et al., [25] and Prasad et al., [26]
have also suggested the occurrence of this same phase with
bent-core molecules, though experimental uncertainty still exist.
With regards to theoretical predictions of the biaxial nematic
transition, one notes in particular the work of Taylor and Herzfeld
[13] on hard sphero-platelets, which predicts a rich phase diagram,
notably containing an unusual discotic smectic phase.To date there
are few simulations of board-like models, such as Vanakaras et al.,
[27] being arecent exception, developing a phase diagram for hard
board-like colloids. Similarly, Escobedo[28] has produced a phase
diagram of hard cuboids.We present molecular dynamics simulation
results on a short range repulsive fused-hexagonmodel, somewhat
resembling hard boards. Depending on the geometry of the board, we
observe uniaxial and biaxial nematics, smectics A and C, a biaxial
smectic phase and a columnar phase. Possibly the most interesting
result is the existence of the theoretically predicted
discoticsmectic.We further investigated the effect of applying both
external fields and shears to several of the structures. The
former, among other things, aided the alignment of the particles in
the phase, removing dislocations. The shear was also seen to
increase biaxial ordering, however, it also demonstrates an ability
to introduce clear layer fractures, seen when shearing forces
became overly dominant. An applied electrical field was able to
induce isotropic!biaxial nematic and biaxial smectic switching.
Finally we consider briefly less-symmetric arrangements of fused
hexagons, including chiral particles. These systems proved hard to
equilibrate but discotic nematic phases were observed for certain
structures. Chiral clusters were also observed, however, no
globally chiral phase was found. Columnar structures were also
seen, but showing a weak overall alignment as columnstended to
point along several directions.
Advisors/Committee Members: Masters, Andrew.
Subjects/Keywords: Liquid Crystal
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APA (6th Edition):
Rigby, A. (2015). THE COMPUTER SIMULATION OFDISCOTIC AND ROD-LIKE
PHASETRANSITIONS FOR A RANGE OFMOLECULAR SHAPES AND
SIZES. (Doctoral Dissertation). University of Manchester. Retrieved from http://www.manchester.ac.uk/escholar/uk-ac-man-scw:259205
Chicago Manual of Style (16th Edition):
Rigby, Adam. “THE COMPUTER SIMULATION OFDISCOTIC AND ROD-LIKE
PHASETRANSITIONS FOR A RANGE OFMOLECULAR SHAPES AND
SIZES.” 2015. Doctoral Dissertation, University of Manchester. Accessed January 23, 2021.
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:259205.
MLA Handbook (7th Edition):
Rigby, Adam. “THE COMPUTER SIMULATION OFDISCOTIC AND ROD-LIKE
PHASETRANSITIONS FOR A RANGE OFMOLECULAR SHAPES AND
SIZES.” 2015. Web. 23 Jan 2021.
Vancouver:
Rigby A. THE COMPUTER SIMULATION OFDISCOTIC AND ROD-LIKE
PHASETRANSITIONS FOR A RANGE OFMOLECULAR SHAPES AND
SIZES. [Internet] [Doctoral dissertation]. University of Manchester; 2015. [cited 2021 Jan 23].
Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:259205.
Council of Science Editors:
Rigby A. THE COMPUTER SIMULATION OFDISCOTIC AND ROD-LIKE
PHASETRANSITIONS FOR A RANGE OFMOLECULAR SHAPES AND
SIZES. [Doctoral Dissertation]. University of Manchester; 2015. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:259205

Penn State University
2.
Ma, Yi.
electro-optics and nonlinear optics of liquid crystal-plasmonic materials and structures.
Degree: 2013, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/16431
► The electro-optics and nonlinear optics effects of liquid crystals have already been intensively studied. Many people have invented a wide range of applications based on…
(more)
▼ The electro-optics and nonlinear optics effects of liquid crystals have already been intensively studied. Many people have invented a wide range of applications based on these properties, such as the liquid
crystal display using the electro-optics effect, and the all-optical liquid
crystal switching using the nonlinear optics effects. There continues to be interest in the liquid
crystal research field.
Plasmonics is one of the research “hotspots” recently; especially in the last ten years. Basically, plasmonics or surface plasmon is a research field of sub-wavelength optics. It is always involved with nano-sized particles or structures. Theories about the surface plasmon polariton and localized surface plasmon resonance have been developed.
The combination of liquid
crystal-plasmonic materials and structures has attracted my interest. The unique property of liquid
crystal provides tunability to the plasmonic structures, while the near field electrical/optical field enhancement produced by nanoparticles influences the liquid
crystal composite. In this dissertation, by using the required knowledge and concepts, the interaction effects between liquid
crystal and plasmonics are discussed. Certain useful application designs and future work are also proposed.
Chapters 2 and 3 contain the fundamental knowledge base of the dissertation. Chapter 4 is focused on the effect of nanoparticles on the liquid
crystal and nonlinear liquid. The material of nano-sized metal particle dispersed liquid
crystal with tunable refractive index is also introduced. In addition, the nonlinear absorption enhancement is also studied. Chapter 5 is about the liquid
crystal-plasmonic nanostructures. Most of the content focuses on the tuning of the localized surface plasmon resonance peak position, and some other applications are mentioned as well. Chapter 6 contains the summary and a discussion of possible future work.
Advisors/Committee Members: Iam Choon Khoo, Dissertation Advisor/Co-Advisor, Iam Choon Khoo, Committee Chair/Co-Chair, Timothy Joseph Kane, Committee Member, Zhiwen Liu, Committee Member, Thomas E Mallouk, Committee Member.
Subjects/Keywords: liquid crystal
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
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APA (6th Edition):
Ma, Y. (2013). electro-optics and nonlinear optics of liquid crystal-plasmonic materials and structures. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/16431
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Ma, Yi. “electro-optics and nonlinear optics of liquid crystal-plasmonic materials and structures.” 2013. Thesis, Penn State University. Accessed January 23, 2021.
https://submit-etda.libraries.psu.edu/catalog/16431.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Ma, Yi. “electro-optics and nonlinear optics of liquid crystal-plasmonic materials and structures.” 2013. Web. 23 Jan 2021.
Vancouver:
Ma Y. electro-optics and nonlinear optics of liquid crystal-plasmonic materials and structures. [Internet] [Thesis]. Penn State University; 2013. [cited 2021 Jan 23].
Available from: https://submit-etda.libraries.psu.edu/catalog/16431.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Ma Y. electro-optics and nonlinear optics of liquid crystal-plasmonic materials and structures. [Thesis]. Penn State University; 2013. Available from: https://submit-etda.libraries.psu.edu/catalog/16431
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
3.
Cipoletti, David E.
Deformation Mechanisms in Magnesium Alloys at Elevated
Temperature.
Degree: PhD, Solid Mechanics, 2011, Brown University
URL: https://repository.library.brown.edu/studio/item/bdr:11354/
► Abstract of "Deformation Mechanisms in Magnesium Alloys at Elevated Temperature" by David E. Cipoletti, Ph.D., Brown University, May 2011The goals of this dissertation were to…
(more)
▼ Abstract of "Deformation Mechanisms in Magnesium
Alloys at Elevated Temperature" by David E. Cipoletti, Ph.D., Brown
University, May 2011The goals of this dissertation were to
determine experimentally the plastic flow in pure magnesium and
extruded magnesium AZ31 sheet during constant strain rate uniaxial
extension at elevated temperatures, and to develop a model that is
able to predict the influence of strain rate, temperature, grain
size, and grain orientation on the deformation mechanisms and flow
behavior of magnesium alloys. In pure magnesium, the strain rate
sensitivity was found to be approximately 0.2 for deformation at
strain rates from 0.03/s to 0.0001/s and temperatures from 350�C to
450�C, suggesting that dislocation creep is dominant within this
range. For testing within the same range, the extruded magnesium
alloy AZ31 sheet exhibited anisotropic behavior based on the
orientation of the extruded direction with respect to the tensile
axis due to the strong basal texture and elongated grain structure
along the extruded direction. If loading was rotated from parallel
to perpendicular to the extruded direction: the strain rate
sensitivity increased from 0.3 to 0.5 at low strain rates,
ductility increased, yield stress decreased, and the transition
between the dislocation creep regime and grain boundary sliding
regime increased to greater strain rates. To understand the
experimental observations a finite element
crystal plasticity model
was developed that accounts for dislocation creep within the grains
together with sliding and diffusion along the grain boundaries. The
model was calibrated and validated using experimental data of
multiple grain sized magnesium AZ31 sheet. The model was used to
explain the origin of flow stress anisotropy in extruded AZ31
sheet. It was shown that two effects contribute to anisotropy -
anisotropy of dislocation creep in the grains resulting from
texture; and anisotropy of grain boundary sliding resulting from
the elongated grain shape. The latter effect was shown to dominate
the grain boundary sliding regime and former in the dislocation
creep regime. Finite element simulations were also used to study
the influence of heterogeneity in grain boundary sliding resistance
on the creep response of aluminum alloy 5083 when deformed at
450�C.
Advisors/Committee Members: Bower, Allan (Director), Curtin, William (Reader), Kumar, K. (Reader).
Subjects/Keywords: crystal plasticity
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Cipoletti, D. E. (2011). Deformation Mechanisms in Magnesium Alloys at Elevated
Temperature. (Doctoral Dissertation). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:11354/
Chicago Manual of Style (16th Edition):
Cipoletti, David E. “Deformation Mechanisms in Magnesium Alloys at Elevated
Temperature.” 2011. Doctoral Dissertation, Brown University. Accessed January 23, 2021.
https://repository.library.brown.edu/studio/item/bdr:11354/.
MLA Handbook (7th Edition):
Cipoletti, David E. “Deformation Mechanisms in Magnesium Alloys at Elevated
Temperature.” 2011. Web. 23 Jan 2021.
Vancouver:
Cipoletti DE. Deformation Mechanisms in Magnesium Alloys at Elevated
Temperature. [Internet] [Doctoral dissertation]. Brown University; 2011. [cited 2021 Jan 23].
Available from: https://repository.library.brown.edu/studio/item/bdr:11354/.
Council of Science Editors:
Cipoletti DE. Deformation Mechanisms in Magnesium Alloys at Elevated
Temperature. [Doctoral Dissertation]. Brown University; 2011. Available from: https://repository.library.brown.edu/studio/item/bdr:11354/
4.
Onken, Drew.
Applying Novel Material Characterization Techniques using Ultrafast Laser Excitation and Neutron Diffraction in Radiation Detector Crystals.
Degree: 2018, Wake Forest University
URL: http://hdl.handle.net/10339/92372
► To address outstanding issues in the growth and performance of crystals for radiation detection, I develop and employ several material characterization techniques not previously implemented…
(more)
▼ To address outstanding issues in the growth and performance of crystals for radiation detection, I develop and employ several material characterization techniques not previously implemented in the field. Two main, interconnected issues are addressed: the cracking of certain crystals during the growth process and spatial inhomogeneity in the defect distributions of radiation detector crystals. Although the purpose of these materials is to detect high-energy gamma rays, no gamma rays were used in these studies. Instead, much can be learned from the more precise interactions of low-energy photon and neutron beams.
Subjects/Keywords: crystal growth
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Onken, D. (2018). Applying Novel Material Characterization Techniques using Ultrafast Laser Excitation and Neutron Diffraction in Radiation Detector Crystals. (Thesis). Wake Forest University. Retrieved from http://hdl.handle.net/10339/92372
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Onken, Drew. “Applying Novel Material Characterization Techniques using Ultrafast Laser Excitation and Neutron Diffraction in Radiation Detector Crystals.” 2018. Thesis, Wake Forest University. Accessed January 23, 2021.
http://hdl.handle.net/10339/92372.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Onken, Drew. “Applying Novel Material Characterization Techniques using Ultrafast Laser Excitation and Neutron Diffraction in Radiation Detector Crystals.” 2018. Web. 23 Jan 2021.
Vancouver:
Onken D. Applying Novel Material Characterization Techniques using Ultrafast Laser Excitation and Neutron Diffraction in Radiation Detector Crystals. [Internet] [Thesis]. Wake Forest University; 2018. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/10339/92372.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Onken D. Applying Novel Material Characterization Techniques using Ultrafast Laser Excitation and Neutron Diffraction in Radiation Detector Crystals. [Thesis]. Wake Forest University; 2018. Available from: http://hdl.handle.net/10339/92372
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Manitoba
5.
Zaloba, Patryk.
Glycoside Hydrolases, Family GH73 and a Structural Characterization of GH73 Enzyme FlgJ.
Degree: Microbiology, 2015, University of Manitoba
URL: http://hdl.handle.net/1993/31067
► FlgJ belongs to Carbohydrate Active enZyme (CAZy) family GH73 and facilitates passage of the bacterial flagellum through the peptidoglycan (PG) layer by cleaving the glycosidic…
(more)
▼ FlgJ belongs to Carbohydrate Active enZyme (CAZy) family GH73 and facilitates
passage of the bacterial flagellum through the peptidoglycan (PG) layer by cleaving the
glycosidic bonds within glycan strands of PG. In this thesis I present the structure of
the GH73 enzyme FlgJ from bacterial pathogenSalmonella typhimurium (St FlgJ). The
St FlgJ active site was found to be blocked by the C-terminus of a neighbouring
symmetry mate. To investigate if the C-terminus of FlgJ inhibits enzymatic activity
similarly to the N-terminus of GH73 enzyme Auto, the glycolytic activity of St FlgJ was
measured with and without its C-terminus. The assays revealed St FlgJ activity to be
unaffected by the presence of the C-terminal sequence. Removal of the C-terminus
did, however, allow a
crystal structure of the domain to be obtained where a β-hairpin
known to accommodate critical catalytic residues was found capable of opening widely,
which likely aids in substrate capture and turnover.
Advisors/Committee Members: Mark, Brian (Microbiology) (supervisor), Kumar, Ayush (Microbiology) Bieringer, Mario (Chemistry) (examiningcommittee).
Subjects/Keywords: Crystal Structure
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Zaloba, P. (2015). Glycoside Hydrolases, Family GH73 and a Structural Characterization of GH73 Enzyme FlgJ. (Masters Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/31067
Chicago Manual of Style (16th Edition):
Zaloba, Patryk. “Glycoside Hydrolases, Family GH73 and a Structural Characterization of GH73 Enzyme FlgJ.” 2015. Masters Thesis, University of Manitoba. Accessed January 23, 2021.
http://hdl.handle.net/1993/31067.
MLA Handbook (7th Edition):
Zaloba, Patryk. “Glycoside Hydrolases, Family GH73 and a Structural Characterization of GH73 Enzyme FlgJ.” 2015. Web. 23 Jan 2021.
Vancouver:
Zaloba P. Glycoside Hydrolases, Family GH73 and a Structural Characterization of GH73 Enzyme FlgJ. [Internet] [Masters thesis]. University of Manitoba; 2015. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/1993/31067.
Council of Science Editors:
Zaloba P. Glycoside Hydrolases, Family GH73 and a Structural Characterization of GH73 Enzyme FlgJ. [Masters Thesis]. University of Manitoba; 2015. Available from: http://hdl.handle.net/1993/31067
6.
Bera, Subhabrata, 1990-.
Rare-earth doped yttrium aluminum garnet single crystal fibers for high power laser applications.
Degree: PhD, Materials Science and Engineering, 2018, Rutgers University
URL: https://rucore.libraries.rutgers.edu/rutgers-lib/57505/
► Single crystal (SC) fibers provide an interesting alternative to conventional glass fibers for high power laser applications. The limitations in power scaling in silica glass…
(more)
▼ Single crystal (SC) fibers provide an interesting alternative to conventional glass fibers for high power laser applications. The limitations in power scaling in silica glass fibers arising from thermal lensing, onset of nonlinear phenomena, thermal shock and degradation of the fiber core, etc. hinder performance at high power densities. Since most of these are related to the amorphous structure of the silica glass in the active fiber gain medium, there has been a considerable push to move the fiber laser architecture to a crystalline material. High thermal conductivity and low nonlinear gain coefficients of the crystalline material, along with the high surface-area-to-volume ratio of the fiber geometry make yttrium aluminum garnet (YAG) SC fibers suitable for application involving high optical power density. The work presented in this dissertation discusses the growth and characterization of different YAG SC fibers grown by the laser heated pedestal growth technique. While SC fibers have theoretically been shown to have high power handling capabilities, in reality their application in practical devices has been severely limited by the high transmission losses involved in such waveguides. In this work, transmission losses in coil-able YAG SC fibers have been lowered to less than 0.8 dB/m at 1064 nm by optimizing growth conditions and fine-tuning the alignment of the optical components of the growth apparatus. One of the major obstacles in the development of SC fibers as effective laser medium is the difficulty in fabricating a core-clad structure like conventional glass fibers. Since SC fibers are grown from a melt, which is a true liquid, no cross-sectional geometry can be transferred from the preform to the final fiber. A few approaches to cladding have been discussed, including both post-cladding and in-situ cladding. Post-cladding techniques like sol-gel cladding, liquid phase deposition, and hydrothermal crystal growth have been explored. Among in-situ approaches, controlled radial distribution of dopant ions has been investigated as potential route to achieve a graded index profile. Er:YAG SC fibers from rod-in-tube preforms have been grown and the dopant distribution has been studied as a function of growth speed. Radial self-segregation of ions was also explored as a potential means to achieve an in-situ cladding. Such behavior of Nd ions in Nd:YAG SC fibers have been observed and reported. A sol-gel-based low-cost approach has been developed to vary the dopant concentration of YAG SC fibers. Using this technique Ho:YAG SC fibers of varying dopant concentration were grown and lasing was reported at 2090 nm. A maximum optical-to-optical slope efficiency of 58.5% was demonstrated in such fibers. Finally, the crystal quality of the YAG SC fibers was characterized by synchrotron white beam X-ray topography. This non-destructive characterization technique for large single crystal samples allowed the study of the strain and defect distribution of different YAG SC fibers.
Advisors/Committee Members: Harrington, James A. (chair), School of Graduate Studies.
Subjects/Keywords: Crystal whiskers
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Bera, Subhabrata, 1. (2018). Rare-earth doped yttrium aluminum garnet single crystal fibers for high power laser applications. (Doctoral Dissertation). Rutgers University. Retrieved from https://rucore.libraries.rutgers.edu/rutgers-lib/57505/
Chicago Manual of Style (16th Edition):
Bera, Subhabrata, 1990-. “Rare-earth doped yttrium aluminum garnet single crystal fibers for high power laser applications.” 2018. Doctoral Dissertation, Rutgers University. Accessed January 23, 2021.
https://rucore.libraries.rutgers.edu/rutgers-lib/57505/.
MLA Handbook (7th Edition):
Bera, Subhabrata, 1990-. “Rare-earth doped yttrium aluminum garnet single crystal fibers for high power laser applications.” 2018. Web. 23 Jan 2021.
Vancouver:
Bera, Subhabrata 1. Rare-earth doped yttrium aluminum garnet single crystal fibers for high power laser applications. [Internet] [Doctoral dissertation]. Rutgers University; 2018. [cited 2021 Jan 23].
Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/57505/.
Council of Science Editors:
Bera, Subhabrata 1. Rare-earth doped yttrium aluminum garnet single crystal fibers for high power laser applications. [Doctoral Dissertation]. Rutgers University; 2018. Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/57505/
7.
Joshi, Kailas Prabhakar.
Extensive study of highly electrical conducting metal
copper by growing its crystal of iodate, iodide and
sulphide.
Degree: Physics, 2013, Shri Jagdishprasad Jhabarmal Tibarewala University
URL: http://shodhganga.inflibnet.ac.in/handle/10603/13923
► Today crystals have become the base of modern technology in all the respects with this aspects in the mind and ever increasing the demand of…
(more)
▼ Today crystals have become the base of modern
technology in all the respects with this aspects in the mind and
ever increasing the demand of single crystals in the variety of
field in science and technology, the work of the growth and the
study of some important crystals have been under taken in the
laboratory. The advances in the science of the solid state and
material science depends upon the availability of good quality
crystals. Today with modern technology, with sophisticated
instrument many national laboratories and university are growing
facilities in laboratories the work of the growth of iodated
varieties of crystals, which have the utility in day to day life,
still the growth of some crystals by using simple equipment by
utilizing fundamental properties of material much of the research
work have been carried out and it not less important by considering
all aspect and available facilities in laboratories the work of the
growth of iodate, iodide and sulphide respectively. The
determination of optical properties of grown crystal is a interest
of investigators. The advance in material science and solid state
science depends on crystal growth out of which each technique
having its own important. Today s developed technology in different
fields requires good quality crystal. In solid state device,
piezoelectric properties material science, quantum and non linear
optics, semiconductor device its instrumentation and several
branches of Engineering and technology needs better quality
crystals. As per the demand of good quality crystal, limited
researchers are involved and large variety of crystal are yet tried
to develop in research laboratory. In this method almost complete
suppression of large scale movement like convection is achieved
which otherwise affects to the crystals perfection. The growing
crystal are held in the gel in a strain free manner in test tubes
which are used.
References p. 190-205, List of publication p.
206
Advisors/Committee Members: Saraf, Kishor Bansilal.
Subjects/Keywords: Physics; Copper iodate crystal; Copper sulphide crystal
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Joshi, K. P. (2013). Extensive study of highly electrical conducting metal
copper by growing its crystal of iodate, iodide and
sulphide. (Thesis). Shri Jagdishprasad Jhabarmal Tibarewala University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/13923
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Joshi, Kailas Prabhakar. “Extensive study of highly electrical conducting metal
copper by growing its crystal of iodate, iodide and
sulphide.” 2013. Thesis, Shri Jagdishprasad Jhabarmal Tibarewala University. Accessed January 23, 2021.
http://shodhganga.inflibnet.ac.in/handle/10603/13923.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Joshi, Kailas Prabhakar. “Extensive study of highly electrical conducting metal
copper by growing its crystal of iodate, iodide and
sulphide.” 2013. Web. 23 Jan 2021.
Vancouver:
Joshi KP. Extensive study of highly electrical conducting metal
copper by growing its crystal of iodate, iodide and
sulphide. [Internet] [Thesis]. Shri Jagdishprasad Jhabarmal Tibarewala University; 2013. [cited 2021 Jan 23].
Available from: http://shodhganga.inflibnet.ac.in/handle/10603/13923.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Joshi KP. Extensive study of highly electrical conducting metal
copper by growing its crystal of iodate, iodide and
sulphide. [Thesis]. Shri Jagdishprasad Jhabarmal Tibarewala University; 2013. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/13923
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
8.
Patel, Kamaleshkumar P.
Crystal of metal NI(II) and CU(II) in salicyldehyde and
ethelenediamine solution : preparation and
characterization; -.
Degree: Physics, 2011, Suresh Gyan Vihar University
URL: http://shodhganga.inflibnet.ac.in/handle/10603/10157
► The grown crystals of composition made up by d-block metals (Cu, Ni) and Salicyldehyde and Ethelenediamine Solution by Flux Technique has been thoroughly investigated by…
(more)
▼ The grown crystals of composition made up by
d-block metals (Cu, Ni) and Salicyldehyde and Ethelenediamine
Solution by Flux Technique has been thoroughly investigated by the
author using various techniques and characterizations. In present
investigation, IR spectroscopy, Reflectance spectroscopic,
thermogravimetric analysis of the crystals was carried out. Racah
parameter and Geometry of all the crystal from IR and Reflectance
spectra carried out by author. Electrical conductivity and Magnetic
characterization also studied by the author on the same crystal. As
a part of chemical study, elemental analysis and molar conductivity
carried out. Antibacterial assay studied as a part of biological
characterization.
References given chapter wise
Advisors/Committee Members: Parmar, Manojkumar N.
Subjects/Keywords: Physics; Crystal Growth; Thermal Conductivity; Crystal
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Patel, K. P. (2011). Crystal of metal NI(II) and CU(II) in salicyldehyde and
ethelenediamine solution : preparation and
characterization; -. (Thesis). Suresh Gyan Vihar University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/10157
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Patel, Kamaleshkumar P. “Crystal of metal NI(II) and CU(II) in salicyldehyde and
ethelenediamine solution : preparation and
characterization; -.” 2011. Thesis, Suresh Gyan Vihar University. Accessed January 23, 2021.
http://shodhganga.inflibnet.ac.in/handle/10603/10157.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Patel, Kamaleshkumar P. “Crystal of metal NI(II) and CU(II) in salicyldehyde and
ethelenediamine solution : preparation and
characterization; -.” 2011. Web. 23 Jan 2021.
Vancouver:
Patel KP. Crystal of metal NI(II) and CU(II) in salicyldehyde and
ethelenediamine solution : preparation and
characterization; -. [Internet] [Thesis]. Suresh Gyan Vihar University; 2011. [cited 2021 Jan 23].
Available from: http://shodhganga.inflibnet.ac.in/handle/10603/10157.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Patel KP. Crystal of metal NI(II) and CU(II) in salicyldehyde and
ethelenediamine solution : preparation and
characterization; -. [Thesis]. Suresh Gyan Vihar University; 2011. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/10157
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Penn State University
9.
Hong, Kuan-lun.
All-optical Image Processing with Nonlinear Liquid Crystals.
Degree: 2013, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/18707
► Liquid crystals are fascinating materials because of several advantages such as large optical birefringence, dielectric anisotropic, and easily compatible to most kinds of materials. Compared…
(more)
▼ Liquid crystals are fascinating materials because of several advantages such as large optical birefringence, dielectric anisotropic, and easily compatible to most kinds of materials. Compared to the electro-optical properties of liquid crystals widely applied in displays and switching application, transparency through most parts of wavelengths also makes liquid crystals a better candidate for all-optical processing. The fast response time of liquid crystals resulting from multiple nonlinear effects, such as thermal and density effect can even make real-time processing realized. In addition, blue phase liquid crystals with spontaneously self-assembled three dimensional cubic structures attracted academic attention.
In my dissertation, I will divide the whole contents into six parts. In Chapter 1, a brief introduction of liquid crystals is presented, including the current progress and the classification of liquid crystals. Anisotropy and laser induced director axis reorientation is presented in Chapter 2. In Chapter 3, I will solve the electrostrictive coupled equation and analyze the laser induced thermal and density effect in both static and dynamic ways. Furthermore, a dynamic simulation of laser induced density fluctuation is proposed by applying finite element method. In Chapter 4, two image processing setups are presented. One is the intensity inversion experiment in which intensity dependent phase modulation is the mechanism. The other is the wavelength conversion experiment in which I can read the invisible image with a visible probe beam. Both experiments are accompanied with simulations to realize the matching between the theories and practical experiment results. In Chapter 5, optical properties of blue phase liquid crystals will be introduced and discussed. The results of grating diffractions and thermal refractive index gradient are presented in this chapter. In addition, fiber arrays imaging and switching with BPLCs will be included in this chapter. Finally, I will give a brief summary and mention a few future researches in Chapter 6.
Advisors/Committee Members: Iam Choon Khoo, Dissertation Advisor/Co-Advisor, Iam Choon Khoo, Committee Chair/Co-Chair, Julio Urbina, Committee Member, Zhiwen Liu, Committee Member, Jian Xu, Committee Member.
Subjects/Keywords: Liquid Crystal; Blue Phase Liquid Crystal
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Hong, K. (2013). All-optical Image Processing with Nonlinear Liquid Crystals. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/18707
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Hong, Kuan-lun. “All-optical Image Processing with Nonlinear Liquid Crystals.” 2013. Thesis, Penn State University. Accessed January 23, 2021.
https://submit-etda.libraries.psu.edu/catalog/18707.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Hong, Kuan-lun. “All-optical Image Processing with Nonlinear Liquid Crystals.” 2013. Web. 23 Jan 2021.
Vancouver:
Hong K. All-optical Image Processing with Nonlinear Liquid Crystals. [Internet] [Thesis]. Penn State University; 2013. [cited 2021 Jan 23].
Available from: https://submit-etda.libraries.psu.edu/catalog/18707.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Hong K. All-optical Image Processing with Nonlinear Liquid Crystals. [Thesis]. Penn State University; 2013. Available from: https://submit-etda.libraries.psu.edu/catalog/18707
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
10.
Farida, Nani.
Crystal Growth on Complex Framework Structures.
Degree: 2019, University of Manchester
URL: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:319483
► Newly discovered zeolite, IM-17 (UOV), with a complex structure directed by decamethonium dications, is fascinating owing to its very large unit cell (12.68 Ã… ×…
(more)
▼ Newly discovered zeolite, IM-17 (UOV), with a
complex structure directed by decamethonium dications, is
fascinating owing to its very large unit cell (12.68 Å × 22.22 Å
× 39.06 Å). This poses some interesting questions in
crystal
growth as to how the
crystal memory is propagated over such a large
distance. To investigate how such a large unit cell forms and
allows stacking layers is the aim of this research. The
investigation demands a powerful tool to study nanoscopic details,
which can be reached employing Atomic Force Microscopy (AFM). Here
we report results of our work on four crystals having complex
structures: IM-17, DAF-1 (DFO), zeolite Rho (RHO) and NU-87 (NES).
The outcomes are also compared to the
crystal models simulated
using CrystalGrower program. The PXRD technique was used to confirm
the as-prepared
crystal structures. From the SEM micrographs, the
crystal morphologies were revealed. The AFM exhibits the presence
of terraces on all of the
crystal surfaces. Cross-section and
histogram height measurements of the terraces correspond to the
growth steps of the materials. The IM-17
crystal showed two
mechanisms of growth: layer-by-layer on both (100) and (013) facets
and spiral growth on the (100) facet. Layer-by-layer terraces
dissolved in patches in alkaline solution while the spiral layer
retreated during the dissolution. Meanwhile, the terraces on DAF-1
crystal surfaces demonstrated patches dissolution in solution
combination of decamethonium hydroxide and phosphoric acid.
Interestingly, these layers maintained their terrace positions
throughout the dissolution time. Such phenomenon is called 'surface
thinning'. Zeolite Rho possesses the simplest structure among the
Rho-family zeolites. It has twelve {110} facets, on which the
terraces grow with the same shape and orientation as the facet. The
height of the small terraces did not decrease during the terrace
retreat in alkaline solution until the critical surface area to
maintain the structure together were achieved, after which the
terrace height started to decrease. The NU-87
crystal was very
resilient to the alkaline and acidic solution attack. In addition,
the very thin
crystal morphology of the NU-87 disadvantaged the
crystal etching in basic solution. All crystals under study and
several dissolution processes were also simulated using
CrystalGrower software based on the natural tiles. The simulated
crystals were in a good agreement with the experimental results.
The
crystal models also proved very important to understand the
crystal habit and their structure which cannot be solved in the
laboratory.
Advisors/Committee Members: ATTFIELD, MARTIN MP, Anderson, Mike, Attfield, Martin.
Subjects/Keywords: crystal growth; crystal dissolution; nanoporous materials; AFM
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Farida, N. (2019). Crystal Growth on Complex Framework Structures. (Doctoral Dissertation). University of Manchester. Retrieved from http://www.manchester.ac.uk/escholar/uk-ac-man-scw:319483
Chicago Manual of Style (16th Edition):
Farida, Nani. “Crystal Growth on Complex Framework Structures.” 2019. Doctoral Dissertation, University of Manchester. Accessed January 23, 2021.
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:319483.
MLA Handbook (7th Edition):
Farida, Nani. “Crystal Growth on Complex Framework Structures.” 2019. Web. 23 Jan 2021.
Vancouver:
Farida N. Crystal Growth on Complex Framework Structures. [Internet] [Doctoral dissertation]. University of Manchester; 2019. [cited 2021 Jan 23].
Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:319483.
Council of Science Editors:
Farida N. Crystal Growth on Complex Framework Structures. [Doctoral Dissertation]. University of Manchester; 2019. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:319483

Universitat Rovira i Virgili
11.
Cos Córcoles, Joaquín.
Design and modelling of photonic crystals with anisotropic components.
Degree: Departament d'Enginyeria Electrònica, Elèctrica i Automàtica, 2010, Universitat Rovira i Virgili
URL: http://hdl.handle.net/10803/8479
► The present Communications Age requires more and more efficient devices in terms of speed, consumption and size for the treatment of information. Nanoscale photonic crystal…
(more)
▼ The present Communications Age requires more and more efficient devices in terms of speed, consumption and size for the treatment of information. Nanoscale photonic
crystal devices and anisotropic materials is expected to provide a possibility to create electro-optical devices with required characteristics such us tunability. In this work we have analyzed and designed several tunable one-dimensional (1D), two-dimensional (2D) and three-dimensional (3D) devices based on silicon photonic crystals and liquid
crystal. In the case of 1D photonic crystals, two optical equalizers based on Fabry-Perot interferometers have been proposed. These devices allow tuning 2 resonances in frequencies and transmission amplitudes. As for 2D photonic crystals, tunable filters and waveguides have been analyzed, offering both applications as optical switches. Finally, we have developed an approach for the analysis of 3D photonic crystals. The presence of reflection peaks in high frequencies has been explained by this approach and 3 experimental samples were analyzed.
Advisors/Committee Members: [email protected] (authoremail), true (authoremailshow), Marsal Garví, Lluís F. (Lluís Francesc) (director).
Subjects/Keywords: Modeling; Anisotropic; Liquid Crystal; Photonic Crystal; 621.3
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Cos Córcoles, J. (2010). Design and modelling of photonic crystals with anisotropic components. (Thesis). Universitat Rovira i Virgili. Retrieved from http://hdl.handle.net/10803/8479
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Cos Córcoles, Joaquín. “Design and modelling of photonic crystals with anisotropic components.” 2010. Thesis, Universitat Rovira i Virgili. Accessed January 23, 2021.
http://hdl.handle.net/10803/8479.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Cos Córcoles, Joaquín. “Design and modelling of photonic crystals with anisotropic components.” 2010. Web. 23 Jan 2021.
Vancouver:
Cos Córcoles J. Design and modelling of photonic crystals with anisotropic components. [Internet] [Thesis]. Universitat Rovira i Virgili; 2010. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/10803/8479.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Cos Córcoles J. Design and modelling of photonic crystals with anisotropic components. [Thesis]. Universitat Rovira i Virgili; 2010. Available from: http://hdl.handle.net/10803/8479
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Edinburgh
12.
Pásztorová, Jana.
Scattering studies of magnetism in non-centrosymmetric systems.
Degree: PhD, 2019, University of Edinburgh
URL: http://hdl.handle.net/1842/36157
► With there being a strong connection between the underlying structure of materials and their properties, understanding this inherent coupling will lead to more effcient materials.…
(more)
▼ With there being a strong connection between the underlying structure of materials and their properties, understanding this inherent coupling will lead to more effcient materials. This thesis studies three non-centrosymmetric compounds MnSb2O6, Cu3Nb2O8 and CeRhSi3 with the goal of understanding the coupling between the structure and the underlying magnetic and electronic properties. All three materials lack an inversion centre and this thesis investigates how this constraint influences the underlying interactions and therefore properties of these compounds. MnSb2O6 is predicted to be multiferroic - a group of materials that has drawn considerable attention these days. One of the most interesting aspects of multiferroics is the so-called magnetoelectric coupling. Whereas in ferroics, one can tune magnetization with magnetic field, polarization with electric field, elasticity with stress, the idea behind multiferroics is that one can tune the electric polarization by the magnetic field (or vice versa). In terms of applications, the idea of electric-field control of magnetism is particularly exciting and it could lead to smaller and more effective devices. In the first part of this thesis, I discuss single crystal preparation based on three different methods in an attempt to obtain high quality single crystals for neutron inelastic scattering studies. Improvement in the size of single crystals was achieved using the flux method. This turned out to be an important step for inelastic experiment with the total mass of 1.3 g single crystals (approximately 150 sealed ampoules). Moreover, polycrystalline sample of MnSb2O6 has been prepared successfully with the hydrothermal method. To the best of our knowledge, this process of preparation has not been published before. The second part of the MnSb2O6 study is focused on neutron experiments and following analysis. The experiment on triple axis spectrometer RITA-II mapped behaviour of spins in horizontal magnetic field. Critical exponent β was estimated with discussion on properties of this system. Obtained results were compared with complementary experiment on BT4 spectrometer with same results. The magnetic and structural chirality was tested with polarized neutrons on instrument D3. Whereas, magnetic chirality in compound has a dominant domain, we were not able to confirm the same for the structural chirality. The last part of this section is discussing another interesting aspect of MnSb2O6 - it's noncollinear magnetic structure within triangular lattice is making it an ideal candidate to study so called multimagnon processes. The classical picture of magnon as non-interacting and long-lived excitation has been questioned by recent studies of classical systems with measured multimagnon excitations. Whereas existing spin wave theory can explain these excitations for quantum systems (S = 1/2), it doesn't provide an answer for their existence in classical systems. Cu3Nb2O8 compound belongs to type-II multiferroics, which means that electric polarization emerges at a magnetic…
Subjects/Keywords: neutrons; magnetism; crystal field theory; crystal growth
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Pásztorová, J. (2019). Scattering studies of magnetism in non-centrosymmetric systems. (Doctoral Dissertation). University of Edinburgh. Retrieved from http://hdl.handle.net/1842/36157
Chicago Manual of Style (16th Edition):
Pásztorová, Jana. “Scattering studies of magnetism in non-centrosymmetric systems.” 2019. Doctoral Dissertation, University of Edinburgh. Accessed January 23, 2021.
http://hdl.handle.net/1842/36157.
MLA Handbook (7th Edition):
Pásztorová, Jana. “Scattering studies of magnetism in non-centrosymmetric systems.” 2019. Web. 23 Jan 2021.
Vancouver:
Pásztorová J. Scattering studies of magnetism in non-centrosymmetric systems. [Internet] [Doctoral dissertation]. University of Edinburgh; 2019. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/1842/36157.
Council of Science Editors:
Pásztorová J. Scattering studies of magnetism in non-centrosymmetric systems. [Doctoral Dissertation]. University of Edinburgh; 2019. Available from: http://hdl.handle.net/1842/36157

Texas A&M University
13.
Shuai, Min.
Synthesis and Liquid Crystal Phase Transitions of Zirconium Phosphate Disks.
Degree: PhD, Materials Science and Engineering, 2013, Texas A&M University
URL: http://hdl.handle.net/1969.1/149628
► Solvent-mediated self-assembly of nanoparticles is an effective and efficient way for the bottom-up organization of functional structures. The primary object of this work is to…
(more)
▼ Solvent-mediated self-assembly of nanoparticles is an effective and efficient way for the bottom-up organization of functional structures. The primary object of this work is to build up a model system for the study of suspensions of disk-shaped nanoparticles, and use it for the study of self-assembly and discotic liquid
crystal phase transitions of discotic particles.
The work was introduced by the control over the size and polydispersity of zirconium phosphate (ZrP) disks through synthesis. Systematic experiments revealed that regular-shaped α-zirconium phosphate crystalline disks with a size-to-thickness ratio from 1 to 50 and size polydispersity as low as 0.2 can be obtained through hydrothermal treatment in 3 M to 15 M phosphoric acid solutions. Transmission and scanning electron micrographs revealed that the growth of the disks is mediated by oriented attachment, which happened continuously throughout the hydrothermal treatment between various sized disks. Ostwald ripening is effective in improving the regularity of the shape of the disks, especially under prolonged hydrothermal treatment. Under the microwave assisted hydrothermal conditions, the rate of attachment on the flat surfaces of the disks is accelerated, which leads to the formation of the column-shaped crystals.
With the ability to adjust the size, aspect ratio, and polydispersity of ZrP disks, the study on self-assembly behavior and the discotic liquid
crystal phases was enabled. Firstly, liquid
crystal phases of aqueous suspensions of ZrP disks were investigated. Iridescent smectic phase and the critical points of phase transitions were found. Moreover, monolayer ZrP nanosheets with extremely high aspect ratio, which were achieved by exfoliating the ZrP crystals, were also used in this study. The high aspect ratio of nanosheets produces a laminar phase at low nanosheet concentration. Chiral liquid
crystal phases were demonstrated when increased the concentration of the nanosheets. The competition between the chirality and layering leads to twisted and layered structures. For the final part, solvent-mediated self-assembly of disks and nanosheets via undulation of liquid
crystal phases showed an interesting approach for bottom-up design of functional nano-structures.
Advisors/Committee Members: Cheng, Zhengdong (advisor), Akbulut, Mustafa (committee member), Cagin, Tahir (committee member), Wang, Haiyan (committee member).
Subjects/Keywords: Liquid Crystal; Discotic
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Shuai, M. (2013). Synthesis and Liquid Crystal Phase Transitions of Zirconium Phosphate Disks. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/149628
Chicago Manual of Style (16th Edition):
Shuai, Min. “Synthesis and Liquid Crystal Phase Transitions of Zirconium Phosphate Disks.” 2013. Doctoral Dissertation, Texas A&M University. Accessed January 23, 2021.
http://hdl.handle.net/1969.1/149628.
MLA Handbook (7th Edition):
Shuai, Min. “Synthesis and Liquid Crystal Phase Transitions of Zirconium Phosphate Disks.” 2013. Web. 23 Jan 2021.
Vancouver:
Shuai M. Synthesis and Liquid Crystal Phase Transitions of Zirconium Phosphate Disks. [Internet] [Doctoral dissertation]. Texas A&M University; 2013. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/1969.1/149628.
Council of Science Editors:
Shuai M. Synthesis and Liquid Crystal Phase Transitions of Zirconium Phosphate Disks. [Doctoral Dissertation]. Texas A&M University; 2013. Available from: http://hdl.handle.net/1969.1/149628
14.
FLANAGAN, KEITH JONATHAN.
Crystal Engineering Study of Porphyrins, DPMs, BODIPYs, and Cubanes.
Degree: School of Chemistry. Discipline of Chemistry, 2019, Trinity College Dublin
URL: http://hdl.handle.net/2262/86838
► This thesis consists of three topics, each covering an aspect of crystal engineering: for porphyrins (Chapter 1), BODIPYs and tris(dipyrrinato)metal(III) complexes (Chapter 2), and cubanes…
(more)
▼ This thesis consists of three topics, each covering an aspect of
crystal engineering: for porphyrins (Chapter 1), BODIPYs and tris(dipyrrinato)metal(III) complexes (Chapter 2), and cubanes (Chapter 3). Each chapter contains its own introduction, results, discussion, and experimental section. There is also a general introduction which briefly describes
crystal engineering.
Chapter 1.1 covers the synthesis and subsequent X-ray crystallographic investigation on the efficacy of highly substituted [5,10,15,20-tetraaryl-(X)-2,3,7,8,12,13,17,18-octaethylporphyrin (OETArXP)] as a potential scaffold for molecular cages. A library of porphyrins with a variety of functional groups, such as halogens, alkyl and nitrogenous groups was established through a modified Lindsey porphyrin condensation reaction, followed by a metal insertion, using Cu(II), Pd(II), and Ni(II). Coupled with this, is a detailed discussion on the
crystal structures of OETArXP and their metal complexes. This was conducted to assess if these compounds can be used for molecular cages.
Chapter 1.2 gives a detailed discussion on the structure of all core N-methyl-substituted porphyrins that have been synthesised in our lab, and that currently exist in the literature. This chapter focuses mainly on the effects that occur when a methyl group is inserted into the core of a porphyrin in both planar and nonplanar porphyrins.
Chapter 2.1 discusses our recently published results on a family of functionalised BODIPY compounds bearing either an anthracene, pyrene, or perylene on the meso-position and a variety of alkyl core substituents (methyl or ethyl). A structural relationship was established between the alkyl-substitution pattern and their effects the dihedral angle between the BODIPY, and the meso-substituent in the structure.
Chapter 2.2 discusses five new structures of tris(dipyrrinato)metal(III) complexes with either an iron(III), gallium(III), or indium(III) centres. In this chapter, the structural difference between the metal(III) complexes of the meso-pentafluorophenyl structures and their para-substituted derivatives was established.
Chapter 3 contains a detailed structural analysis of all currently available (publised and current results from our group) 1,4-disubstituted cubane structures with an emphasis on examining how the cubane scaffold interacts in its solid-state environment.
Advisors/Committee Members: Senge, Mathias.
Subjects/Keywords: Crystal engineering; Porphyrins
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
FLANAGAN, K. J. (2019). Crystal Engineering Study of Porphyrins, DPMs, BODIPYs, and Cubanes. (Thesis). Trinity College Dublin. Retrieved from http://hdl.handle.net/2262/86838
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
FLANAGAN, KEITH JONATHAN. “Crystal Engineering Study of Porphyrins, DPMs, BODIPYs, and Cubanes.” 2019. Thesis, Trinity College Dublin. Accessed January 23, 2021.
http://hdl.handle.net/2262/86838.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
FLANAGAN, KEITH JONATHAN. “Crystal Engineering Study of Porphyrins, DPMs, BODIPYs, and Cubanes.” 2019. Web. 23 Jan 2021.
Vancouver:
FLANAGAN KJ. Crystal Engineering Study of Porphyrins, DPMs, BODIPYs, and Cubanes. [Internet] [Thesis]. Trinity College Dublin; 2019. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/2262/86838.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
FLANAGAN KJ. Crystal Engineering Study of Porphyrins, DPMs, BODIPYs, and Cubanes. [Thesis]. Trinity College Dublin; 2019. Available from: http://hdl.handle.net/2262/86838
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology
15.
Guo, Jingkun (author).
A study of optomechanics.
Degree: 2017, Delft University of Technology
URL: http://resolver.tudelft.nl/uuid:3a944777-6db1-4fc2-bc44-a4b9e3bed1c6
► In recent years, cavity optomechanics has attracted lots of attention. In this system, photons inside a cavity interact with a macroscopic harmonic oscillator through the…
(more)
▼ In recent years, cavity optomechanics has attracted lots of attention. In this system, photons inside a cavity interact with a macroscopic harmonic oscillator through the radiation pressure force. Depending on the type of structure, opto-mechanical systems can be used in, for example, precision sensing, including force and acceleration measurements, testing fundamental physics such as quantum mechanics at a macroscopic scale and the link between quantum physics and gravity. Also, it potentially plays an important role in quantum information, where optical photons can be used to transmit quantum information in a long range and the mechanical oscillation is used to couple to other types of local qubits where quantum information is processed. Previously, many of the aforementioned applications have been demonstrated and are shown it to be a promising system. The mechanical oscillator has been cooled down to close to its ground state. Furthermore, for the opto-mechanical system with high quality oscillator, the macroscopic harmonic oscillator is possible to be cooled down to its quantum ground state from room temperature, opening up a new regime where quantum experiments on massive objects can be done at room temperature. Moreover, non-classical states between photons and the harmonic oscillator have been achieved, making it close to real applications in quantum information and approaching the testing and realizing quantum entanglement of large objects. In an opto-mechanical system, there are different structures. Two examples, which are both of great interested, are the Fabry-Pérot cavity with photonic
crystal and the nanobeam. In a Fabry-Pérot cavity, which is the prototype of most of the cavity opto-mechanics system, there are two reflectors. One is fixed, and another one acts as an harmonic oscillator. To enlarge the interaction, the oscillating reflector is made of thin photonic
crystal slab. For the nanobeam cavity, the mechanical resonator is the nanobeam itself, and it also forms a cavity where the optical field is trapped inside. This two systems have their own strengths and drawbacks, which are suitable for different applications. In this work, both types are explored. In the Fabry-Pérot cavity, the set-up is usually bulky. Is it possible to make the footprint of the whole set-up smaller such that it can be integrated into a chip? If the answer is yes, it would be a great boost to its sensing application where easy-to-use devices are usually needed. Moreover, for the photonic
crystal, is there a limitation on its thickness? Previously, in our group, we have noticed that the reflectivity of a photonic
crystal drops sharply if the thickness is reduced, though the simulation still yields a reflectivity close to unity. The results of these two problems are presented in chapter 3 and chapter 4, respectively. The results for the nanobeam cavity are shown in chapter 5. Designs are proposed, aiming at increasing the photon-phonon coupling while keeping the photon decay rate unchanged.
Advisors/Committee Members: Groeblacher, Simon (mentor), Delft University of Technology (degree granting institution).
Subjects/Keywords: Optomechanics; Photonic crystal
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to Zotero / EndNote / Reference
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APA (6th Edition):
Guo, J. (. (2017). A study of optomechanics. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:3a944777-6db1-4fc2-bc44-a4b9e3bed1c6
Chicago Manual of Style (16th Edition):
Guo, Jingkun (author). “A study of optomechanics.” 2017. Masters Thesis, Delft University of Technology. Accessed January 23, 2021.
http://resolver.tudelft.nl/uuid:3a944777-6db1-4fc2-bc44-a4b9e3bed1c6.
MLA Handbook (7th Edition):
Guo, Jingkun (author). “A study of optomechanics.” 2017. Web. 23 Jan 2021.
Vancouver:
Guo J(. A study of optomechanics. [Internet] [Masters thesis]. Delft University of Technology; 2017. [cited 2021 Jan 23].
Available from: http://resolver.tudelft.nl/uuid:3a944777-6db1-4fc2-bc44-a4b9e3bed1c6.
Council of Science Editors:
Guo J(. A study of optomechanics. [Masters Thesis]. Delft University of Technology; 2017. Available from: http://resolver.tudelft.nl/uuid:3a944777-6db1-4fc2-bc44-a4b9e3bed1c6

University of Manchester
16.
Rigby, Adam.
The computer simulation of discotic and rod-like phase transitions for a range of molecular shapes and sizes.
Degree: PhD, 2015, University of Manchester
URL: https://www.research.manchester.ac.uk/portal/en/theses/the-computer-simulation-ofdiscotic-and-rodlike-phasetransitions-for-a-range-ofmolecular-shapes-and-sizes(9c5b9645-e4c2-440a-b0ec-3533636dd1e9).html
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.644454
► In 1970, Freiser made the theoretical prediction that a biaxial nematic phase could exist. In auniaxial nematic, only one particle axis is aligned but with…
(more)
▼ In 1970, Freiser made the theoretical prediction that a biaxial nematic phase could exist. In auniaxial nematic, only one particle axis is aligned but with a biaxial nematic, all three molecular axes are aligned. This phase is expected to occur for particle whose shape is intermediate between that of a disc and a rod. Board and bent-core particles are examples of such structures. Despite extensive experimental investigation, however, very few biaxial nematic systems have been found. Yu and Saupe [21] have shown the occurrence of a biaxial nematic phase generated for a lyotropic system. Similarly van der Pol observed a biaxial nematic phase in a colloidal suspension of board-like goethite particles [22]. For thermotropic, molecular systems, however, the situation is less clear-cut. Merkel et al., [23] and Figueirinhas et al., [24] claim that Tetrapodes have can exhibit a biaxial nematic phase, whilst Acharya et al., [25] and Prasad et al., [26] have also suggested the occurrence of this same phase with bent-core molecules, though experimental uncertainty still exist. With regards to theoretical predictions of the biaxial nematic transition, one notes in particular the work of Taylor and Herzfeld [13] on hard sphero-platelets, which predicts a rich phase diagram, notably containing an unusual discotic smectic phase. To date there are few simulations of board-like models, such as Vanakaras et al., [27] being arecent exception, developing a phase diagram for hard board-like colloids. Similarly, Escobedo[28] has produced a phase diagram of hard cuboids. We present molecular dynamics simulation results on a short range repulsive fused-hexagonmodel, somewhat resembling hard boards. Depending on the geometry of the board, we observe uniaxial and biaxial nematics, smectics A and C, a biaxial smectic phase and a columnar phase. Possibly the most interesting result is the existence of the theoretically predicted discoticsmectic. We further investigated the effect of applying both external fields and shears to several of the structures. The former, among other things, aided the alignment of the particles in the phase, removing dislocations. The shear was also seen to increase biaxial ordering, however, it also demonstrates an ability to introduce clear layer fractures, seen when shearing forces became overly dominant. An applied electrical field was able to induce isotropic!biaxial nematic and biaxial smectic switching. Finally we consider briefly less-symmetric arrangements of fused hexagons, including chiral particles. These systems proved hard to equilibrate but discotic nematic phases were observed for certain structures. Chiral clusters were also observed, however, no globally chiral phase was found. Columnar structures were also seen, but showing a weak overall alignment as columnstended to point along several directions.
Subjects/Keywords: 530.4; Liquid Crystal
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Rigby, A. (2015). The computer simulation of discotic and rod-like phase transitions for a range of molecular shapes and sizes. (Doctoral Dissertation). University of Manchester. Retrieved from https://www.research.manchester.ac.uk/portal/en/theses/the-computer-simulation-ofdiscotic-and-rodlike-phasetransitions-for-a-range-ofmolecular-shapes-and-sizes(9c5b9645-e4c2-440a-b0ec-3533636dd1e9).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.644454
Chicago Manual of Style (16th Edition):
Rigby, Adam. “The computer simulation of discotic and rod-like phase transitions for a range of molecular shapes and sizes.” 2015. Doctoral Dissertation, University of Manchester. Accessed January 23, 2021.
https://www.research.manchester.ac.uk/portal/en/theses/the-computer-simulation-ofdiscotic-and-rodlike-phasetransitions-for-a-range-ofmolecular-shapes-and-sizes(9c5b9645-e4c2-440a-b0ec-3533636dd1e9).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.644454.
MLA Handbook (7th Edition):
Rigby, Adam. “The computer simulation of discotic and rod-like phase transitions for a range of molecular shapes and sizes.” 2015. Web. 23 Jan 2021.
Vancouver:
Rigby A. The computer simulation of discotic and rod-like phase transitions for a range of molecular shapes and sizes. [Internet] [Doctoral dissertation]. University of Manchester; 2015. [cited 2021 Jan 23].
Available from: https://www.research.manchester.ac.uk/portal/en/theses/the-computer-simulation-ofdiscotic-and-rodlike-phasetransitions-for-a-range-ofmolecular-shapes-and-sizes(9c5b9645-e4c2-440a-b0ec-3533636dd1e9).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.644454.
Council of Science Editors:
Rigby A. The computer simulation of discotic and rod-like phase transitions for a range of molecular shapes and sizes. [Doctoral Dissertation]. University of Manchester; 2015. Available from: https://www.research.manchester.ac.uk/portal/en/theses/the-computer-simulation-ofdiscotic-and-rodlike-phasetransitions-for-a-range-ofmolecular-shapes-and-sizes(9c5b9645-e4c2-440a-b0ec-3533636dd1e9).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.644454

Youngstown State University
17.
Ponnada, Pradeepthi.
Crystal Structure Determination and Spectral
Characterization of Dipeptides with Metals.
Degree: MSin Chemistry, Department of Chemistry, 2012, Youngstown State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=ysu1343762067
► Proteins composed of peptides play a very important role in human life. Peptides complex with metals to perform various functions such as enzyme catalysts,…
(more)
▼ Proteins composed of peptides play a very
important role in human life. Peptides complex with metals to
perform various functions such as enzyme catalysts, oxygen carriers
and anti tumor agents etc., Of all metals, transition metal copper
complex was considered an area of interest because of its wide
pharmaceutical applications and less toxicity. Characterization of
these complexes using various crystallographic, spectral and
thermal techniques gives a better view of the binding, interactions
and few physical properties.
Crystal structure
studies through X-ray crystallography, spectral studies by
Fluorescence, UV-Vis and NMR in addition to thermal properties by
DSC were determined. Crystals of Ser-Glu dipeptide by itself were
obtained and analyzed with X-ray crystallography. Binding of copper
metal to dipeptide was estimated by using Fluorescence & UV-Vis
spectroscopies and NMR studies, while melting point temperature of
dipeptides was determined by solid state DSC. Results from the
spectral studies showed that binding was possible with a transition
metal like Cu
2+ but lack of packing energy
or stability resulted in failure of crystallization of these
complexes. Spectral studies also contributed to the revelation of
possible binding sites on the dipeptides, which help in altering
the confirmation of dipeptides that aid in novel drug design, by
increasing stability and bioavailability and by decreasing the side
effects. All these determinations followed by other techniques like
stability test, dissolution test along with other pharmacological
activity tests can be used to develop a better drug delivery
system.
Advisors/Committee Members: Balendiran, G. K. (Advisor).
Subjects/Keywords: Biochemistry; crystal structure
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Ponnada, P. (2012). Crystal Structure Determination and Spectral
Characterization of Dipeptides with Metals. (Masters Thesis). Youngstown State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ysu1343762067
Chicago Manual of Style (16th Edition):
Ponnada, Pradeepthi. “Crystal Structure Determination and Spectral
Characterization of Dipeptides with Metals.” 2012. Masters Thesis, Youngstown State University. Accessed January 23, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=ysu1343762067.
MLA Handbook (7th Edition):
Ponnada, Pradeepthi. “Crystal Structure Determination and Spectral
Characterization of Dipeptides with Metals.” 2012. Web. 23 Jan 2021.
Vancouver:
Ponnada P. Crystal Structure Determination and Spectral
Characterization of Dipeptides with Metals. [Internet] [Masters thesis]. Youngstown State University; 2012. [cited 2021 Jan 23].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ysu1343762067.
Council of Science Editors:
Ponnada P. Crystal Structure Determination and Spectral
Characterization of Dipeptides with Metals. [Masters Thesis]. Youngstown State University; 2012. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ysu1343762067

NSYSU
18.
Hung, Ching-lang.
Study of Three-Dimensional Photonic Crystal Growth in Blue-Phase Liquid Crystals.
Degree: Master, Electro-Optical Engineering, 2015, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717115-063615
► Photonic crystals are optical materials with periodically distributed refractive indices. Their photonic bandgap effect on the flow of photons makes them appear colored like the…
(more)
▼ Photonic crystals are optical materials with periodically distributed refractive indices. Their photonic bandgap effect on the flow of photons makes them appear colored like the wings of a Morpho butterfly. They have potential for use in nano lasers, photovoltaics, nonlinear optics, and other applications. Most of artificial photonic crystals are made by photolithography. For three-dimensional photonic crystals having their photonic bandgaps in the visible spectrum, the required precision and accuracy of fabrication are extremely high. Blue phases (BP) are a class of particular liquid
crystal (LC) phases located between the isotropic and cholesteric phase. Such materials in their blue phases (BPI and BPII) organize spontaneously into three-dimensional cubic nanostructures. By controlling the chirality of the material or applying external fields, the color (bandgap) of a BPLC can be modulated. The conventional way of growing BP crystals is to cool the sample slowly and homogeneously from the isotropic state to the blue phase, resulting in polycrystalline texture. The diameter of each single
crystal can range from 3 to 200 μm depending on the cooling rate. BP polycrystals often lack uniform lattice directions, sufficient number of periods, and grain boundaries cause optical scattering, therefore hindering their applications.
In this study, we created spatial temperature gradient by using two temperature-controlled stages. One stage was set at a temperature above the clearing point (the ISO stage) and the other at a temperature in the BP range (the BP stage). The BP
crystal growth was conducted by moving the sample from the ISO stage to the BP stage. The single BP crystals thus grew along the moving direction. The resulting single crystals are considerably larger than those grown by the conventional approach. In this thesis, we discussed the parameters that affect the grain size, such as material, temperatures of stages, moving rate, and the addition of external fields. In the experiments, we examined the grain size and other properties of the BP crystals by means of microscopic images, Kössel diagrams, spectra and voltage-transmittance diagrams.
By adopting the proposed strategy for
crystal growth, we have achieved millimeter-sized BP single crystals, enabling a wider range of applications and more in-depth fundamental research.
Advisors/Committee Members: Tsung-Hsien Lin (committee member), Chi-Yen Huang (chair), Shie-Chang Jeng (chair), Andy Ying-Guey, Fuh (chair).
Subjects/Keywords: single crystal; blue phase; liquid crystal; crystal growth
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Hung, C. (2015). Study of Three-Dimensional Photonic Crystal Growth in Blue-Phase Liquid Crystals. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717115-063615
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Hung, Ching-lang. “Study of Three-Dimensional Photonic Crystal Growth in Blue-Phase Liquid Crystals.” 2015. Thesis, NSYSU. Accessed January 23, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717115-063615.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Hung, Ching-lang. “Study of Three-Dimensional Photonic Crystal Growth in Blue-Phase Liquid Crystals.” 2015. Web. 23 Jan 2021.
Vancouver:
Hung C. Study of Three-Dimensional Photonic Crystal Growth in Blue-Phase Liquid Crystals. [Internet] [Thesis]. NSYSU; 2015. [cited 2021 Jan 23].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717115-063615.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Hung C. Study of Three-Dimensional Photonic Crystal Growth in Blue-Phase Liquid Crystals. [Thesis]. NSYSU; 2015. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717115-063615
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU
19.
Lin, Sin-an.
Study of lattice plane control of blue phase II liquid crystal.
Degree: Master, Electro-Optical Engineering, 2017, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0807117-122516
► Blue phase liquid crystal is a class of liquid crystal phases in chiral nematics, featuring self-assembled three-dimensional photonic crystal structure. The optical and electro-optical characteristics…
(more)
▼ Blue phase liquid
crystal is a class of liquid
crystal phases in chiral nematics, featuring self-assembled three-dimensional photonic
crystal structure. The optical and electro-optical characteristics vary with lattice orientations. There have been a few reports on the properties and applications of photonic crystals with different orientations. However, a comprehensive discussion about how the lattice orientation can be controlled has yet been presented. Recently, our group also develops a gradient-temperature technique to grow blue phase liquid
crystal into large single
crystal form. The surface alignment assists in guiding the
crystal growth in a specific orientation.
In this study, we successfully grow a (100)-oriented blue phase by applying an electric field on an ITO-coated glass without alignment layers. In a homogeneous aligned cell, we successfully control the lattice orientation to (100) or (110) by change the pitch. We find the direction of (110)-oriented blue phase has a significant relation with the direction of rubbing on substrates. If we use anti-rubbing homogeneous-aligned cell, it has two blue phase structures in the bulk due to the influence of rubbing. The lattice orientation of (110) has a GMR-like characteristic and has the effect of splitting, and the position of the two reflection wavelengths can be shifted by adjusting the angle of the incident light. The lattice orientation is independent of a cell gap because the blue phase liquid
crystal grow from the surfaces of the substrates. In a homeotropic-aligned cell, we successfully induce (111)-oriented and the orientation in independent of a cell gap and a pitch. In a hybrid cell, the final lattice orientation depends on the direction of the
crystal orientation of the upper alignment layer.
Advisors/Committee Members: Yun-gjr Hung (chair), Tsung-chih Ko (chair), Yu-ju Hung (chair), Tsung-hsien Lin (committee member).
Subjects/Keywords: lattice plane; lattice orientation; photonic crystal; liquid crystal; blue phase liquid crystal
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Lin, S. (2017). Study of lattice plane control of blue phase II liquid crystal. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0807117-122516
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lin, Sin-an. “Study of lattice plane control of blue phase II liquid crystal.” 2017. Thesis, NSYSU. Accessed January 23, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0807117-122516.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lin, Sin-an. “Study of lattice plane control of blue phase II liquid crystal.” 2017. Web. 23 Jan 2021.
Vancouver:
Lin S. Study of lattice plane control of blue phase II liquid crystal. [Internet] [Thesis]. NSYSU; 2017. [cited 2021 Jan 23].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0807117-122516.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lin S. Study of lattice plane control of blue phase II liquid crystal. [Thesis]. NSYSU; 2017. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0807117-122516
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Anna University
20.
Bairava, Ganesh R.
Investigations on the growth and non doping impurities
distribution in directionally solidified multicrystalline silicon
for photovoltaic applications; -.
Degree: Science and Humanities, 2014, Anna University
URL: http://shodhganga.inflibnet.ac.in/handle/10603/27065
► As worldwide energy demand increases conventional energy resources such as fossil fuels will be exhausted within the next century The development and use of alternative…
(more)
▼ As worldwide energy demand increases conventional
energy resources such as fossil fuels will be exhausted within the
next century The development and use of alternative energy source
is essential to meet the energy demand Solar energy can potentially
play an important role in providing most of the heating cooling and
electricity needs of the world In the developing countries it is
significantly improving living conditions in rural areas The solar
cell is considered a major candidate for obtaining energy from the
sun since it can convert sunlight directly to electricity with high
conversion efficiency It can provide nearly permanent power at low
operating cost, and it is virtually free of pollution To date solar
cells have been made in many semiconductors using various device
configurations and employing single crystal poly crystal and
amorphous thin film structures The main requirements for the solar
cells are high efficiency low cost and good reliability The
potential of silicon wafer based solar cells has been demonstrated
by its increasing market share of more than 90 Cost efficiency
stability and reliability of the silicon wafer based solar modules
resulted in a superior market leadership of this technology The
main cost is the crystal substrate and research is focused on
reducing the cost of the crystal growth
References p.101-113
Advisors/Committee Members: Ramasamy, P.
Subjects/Keywords: Crystal growth; Multicrystalline silicon; Photovoltaic applications; Poly crystal; Science and humanities; Single crystal; Solar energy
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Bairava, G. R. (2014). Investigations on the growth and non doping impurities
distribution in directionally solidified multicrystalline silicon
for photovoltaic applications; -. (Thesis). Anna University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/27065
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Bairava, Ganesh R. “Investigations on the growth and non doping impurities
distribution in directionally solidified multicrystalline silicon
for photovoltaic applications; -.” 2014. Thesis, Anna University. Accessed January 23, 2021.
http://shodhganga.inflibnet.ac.in/handle/10603/27065.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Bairava, Ganesh R. “Investigations on the growth and non doping impurities
distribution in directionally solidified multicrystalline silicon
for photovoltaic applications; -.” 2014. Web. 23 Jan 2021.
Vancouver:
Bairava GR. Investigations on the growth and non doping impurities
distribution in directionally solidified multicrystalline silicon
for photovoltaic applications; -. [Internet] [Thesis]. Anna University; 2014. [cited 2021 Jan 23].
Available from: http://shodhganga.inflibnet.ac.in/handle/10603/27065.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Bairava GR. Investigations on the growth and non doping impurities
distribution in directionally solidified multicrystalline silicon
for photovoltaic applications; -. [Thesis]. Anna University; 2014. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/27065
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU
21.
Yu, Shao-Wei.
The Study of Holographic Optical Field Induced Molecular Packing of Polymeric Liquid Crystal.
Degree: Master, Electro-Optical Engineering, 2008, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0715108-161549
► In the present study we investigate the use of polymer liquid crystal for holographic recording. Holographic patterns were produced by means of two-beam interference using…
(more)
▼ In the present study we investigate the use of polymer liquid
crystal for holographic recording. Holographic patterns were produced by means of two-beam interference using an Ar+ laser. The polymer liquid
crystal thin layers were prepared by injecting RM257 into cells through capillary action at 140°C where the RM257 mesogen was in isotropic state. By exposing the mesogenic layer to the laser interference patterns, we have successfully imprint holographic patterns into RM257 thin layers. In order to reach the best alignment, the intensity of laser beam, sample temperature, the spacial period and exposure time must be properly set.
Advisors/Committee Members: Tsung-Hsien Lin (chair), Wen-Jun Zheng (committee member), Mei-Ying Chang (chair), Shin-Jung Bai (chair).
Subjects/Keywords: Polymeric Liquid Crystal; Holographic
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Yu, S. (2008). The Study of Holographic Optical Field Induced Molecular Packing of Polymeric Liquid Crystal. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0715108-161549
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Yu, Shao-Wei. “The Study of Holographic Optical Field Induced Molecular Packing of Polymeric Liquid Crystal.” 2008. Thesis, NSYSU. Accessed January 23, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0715108-161549.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Yu, Shao-Wei. “The Study of Holographic Optical Field Induced Molecular Packing of Polymeric Liquid Crystal.” 2008. Web. 23 Jan 2021.
Vancouver:
Yu S. The Study of Holographic Optical Field Induced Molecular Packing of Polymeric Liquid Crystal. [Internet] [Thesis]. NSYSU; 2008. [cited 2021 Jan 23].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0715108-161549.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Yu S. The Study of Holographic Optical Field Induced Molecular Packing of Polymeric Liquid Crystal. [Thesis]. NSYSU; 2008. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0715108-161549
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU
22.
Ou, Tsung-che.
The study of the use of polymer liquid crystal for optical recording of holography.
Degree: Master, Electro-Optical Engineering, 2009, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721109-152738
► RM257 consists of photoactive mesogenic end groups. By in situ polymerization of the mesogen, the optical information can be recorded into RM257 thin film. In…
(more)
▼ RM257 consists of photoactive mesogenic end groups. By in situ polymerization of the mesogen, the optical information can be recorded into RM257 thin film. In this study, the RM257 thin films were exposed to a holography irradiation created using an Ar+ laser. The holography patterns have been found to be imprinted into the polymer thin films. The refractive efficiency can be increased when the sample temperature is properly controlled during holography irradiation. The work was started from the use of two beam interferometry, and further to use three beam interference. The molecular arrangement in the resultant polymer film and their function in optical modulation have been studied.
Advisors/Committee Members: Chi-huang Lin (chair), Tsung-hsien Lin (chair), Mei-ying Chang (chair), Wen-jun Zheng (committee member).
Subjects/Keywords: Holography; Polymer Liquid Crystal
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Ou, T. (2009). The study of the use of polymer liquid crystal for optical recording of holography. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721109-152738
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Ou, Tsung-che. “The study of the use of polymer liquid crystal for optical recording of holography.” 2009. Thesis, NSYSU. Accessed January 23, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721109-152738.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Ou, Tsung-che. “The study of the use of polymer liquid crystal for optical recording of holography.” 2009. Web. 23 Jan 2021.
Vancouver:
Ou T. The study of the use of polymer liquid crystal for optical recording of holography. [Internet] [Thesis]. NSYSU; 2009. [cited 2021 Jan 23].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721109-152738.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Ou T. The study of the use of polymer liquid crystal for optical recording of holography. [Thesis]. NSYSU; 2009. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0721109-152738
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU
23.
Liou, Jia-hong.
Fabrication and Analysis of Selectively Liquid-Filled Photonic Crystal Fibers.
Degree: Master, Electro-Optical Engineering, 2009, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0629109-170701
► As the photonic crystal fibers (PCFs) are fabricated, it is hard to modulate their optical characteristics to function as tunable optical devices. To introduce tunable…
(more)
▼ As the photonic
crystal fibers (PCFs) are fabricated, it is hard to modulate their optical characteristics to function as tunable optical devices. To introduce tunable optical characteristics into the PCF structures, one can infiltrate liquids into the air holes of the PCFs to form the liquid-filled PCFs. However, the propagation losses become larger due to the
finite liquid-hole layers and the lossy liquids infused in all the air holes of the cladding. In this thesis, an efficient full-vector finite-difference frequency-domain (FDFD) mode solver cooperated with the PMLs is utilized to investigate the propagation characteristics of the selectively liquid-filled PCFs. The propagation constants and the propagation losses of the
guided modes on the selectively liquid-filled PCFs can be successfully obtained. From our numerical results, the propagation losses of both the internally liquid-filled PCFs and externally liquid-filled PCFs can be efficiently reduced by the outer or inner air-hole layers, and the useful tunablility characteristics for optical device applications can be maintained.
Besides, the dispersion-related devices based on the selectively liquid-filled PCFs are also investigated. It is demonstrated that a DFPCF with the flatten dispersion value D within 0 ± 1 ps/nm/km over λ = 1.45 μm to 1.65 μm or a DCPCF with a high negative dispersion value D = -3100 ps/nm/km at λ = 1.55 μm can be achieved by infiltrating the liquid into all air holes or specified air-hole layers.
In the experiment, a simple selectively blocking technique using the microscopy, the tool fiber and the alignment technique is employed to fabricate the internally and externally liquid-filled PCFs. The measurement of the optical characteristics of these selectively liquid-filled PCFs is carried out and compared with the simulation results.
Advisors/Committee Members: Chin-Ping Yu (committee member), Jau-Sheng Wang (chair), Hidenori Taga (chair), Wood-Hi Cheng (chair).
Subjects/Keywords: Photonic crystal fibers; Dispersion
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Liou, J. (2009). Fabrication and Analysis of Selectively Liquid-Filled Photonic Crystal Fibers. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0629109-170701
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Liou, Jia-hong. “Fabrication and Analysis of Selectively Liquid-Filled Photonic Crystal Fibers.” 2009. Thesis, NSYSU. Accessed January 23, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0629109-170701.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Liou, Jia-hong. “Fabrication and Analysis of Selectively Liquid-Filled Photonic Crystal Fibers.” 2009. Web. 23 Jan 2021.
Vancouver:
Liou J. Fabrication and Analysis of Selectively Liquid-Filled Photonic Crystal Fibers. [Internet] [Thesis]. NSYSU; 2009. [cited 2021 Jan 23].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0629109-170701.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Liou J. Fabrication and Analysis of Selectively Liquid-Filled Photonic Crystal Fibers. [Thesis]. NSYSU; 2009. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0629109-170701
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
24.
田代, 悠一郎.
Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor : QCM センサを利用したチタニアナノシートの吸着挙動の解析.
Degree: 博士(歯学), 2018, Osaka Dental University / 大阪歯科大学
URL: http://id.nii.ac.jp/1392/00000166/
► We investigated the adsorption of albumin and fibronectin on a titania nanosheet- (TNS-) modified quartz crystal microbalance (QCM) sensor. A Ti QCM sensor was fabricated…
(more)
▼ We investigated the adsorption of albumin and fibronectin on a titania nanosheet- (TNS-) modified quartz crystal microbalance (QCM) sensor. A Ti QCM sensor was fabricated by reactive magnetron sputtering. A thin layer of Ti was deposited on the QCM sensor. This sensor was then alkali-modified by treatment with NaOH at room temperature to fabricate the titania nanosheets. Scanning probe microscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy were performed to investigate the surface topology and chemical components of each sensor. The TNS had a titanium oxide film exhibiting a nodular structure and a thickness of 13 nm on the QCM sensor. Furthermore, QCM measurements showed significantly greater amounts of albumin and fibronectin adsorbed on the TNS than on titanium. The NaOH treatment of titanium modified the sensor surface and improved the adsorption behaviors of proteins related to the initial adhesion of bone marrow cells. Therefore, we concluded that TNS improves the initial adhesion between the implant materials and the surrounding tissues.
2017年度
Subjects/Keywords: quartz crystal microbalance|nanostructure|implant
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
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APA (6th Edition):
田代, . (2018). Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor : QCM センサを利用したチタニアナノシートの吸着挙動の解析. (Thesis). Osaka Dental University / 大阪歯科大学. Retrieved from http://id.nii.ac.jp/1392/00000166/
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
田代, 悠一郎. “Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor : QCM センサを利用したチタニアナノシートの吸着挙動の解析.” 2018. Thesis, Osaka Dental University / 大阪歯科大学. Accessed January 23, 2021.
http://id.nii.ac.jp/1392/00000166/.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
田代, 悠一郎. “Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor : QCM センサを利用したチタニアナノシートの吸着挙動の解析.” 2018. Web. 23 Jan 2021.
Vancouver:
田代 . Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor : QCM センサを利用したチタニアナノシートの吸着挙動の解析. [Internet] [Thesis]. Osaka Dental University / 大阪歯科大学; 2018. [cited 2021 Jan 23].
Available from: http://id.nii.ac.jp/1392/00000166/.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
田代 . Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor : QCM センサを利用したチタニアナノシートの吸着挙動の解析. [Thesis]. Osaka Dental University / 大阪歯科大学; 2018. Available from: http://id.nii.ac.jp/1392/00000166/
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
25.
Bianchini, Matteo.
In situ diffraction studies of electrode materials for Li-ion and Na-ion batteries : Etudes de diffraction in situ pour matériaux d'électrode en batteries Li-ion et Na-ion.
Degree: Docteur es, Chimie. Chimie des solides et sciences des matériaux, 2015, Amiens
URL: http://www.theses.fr/2015AMIE0022
► Ce travail vise à étudier les matériaux d'électrodes pour batteries Li-ion et Na-ion lors qu’ils fonctionnent à l'intérieur des batteries. Afin de comprendre l'évolution structurelle…
(more)
▼ Ce travail vise à étudier les matériaux d'électrodes pour batteries Li-ion et Na-ion lors qu’ils fonctionnent à l'intérieur des batteries. Afin de comprendre l'évolution structurelle des matériaux alors que les ions Li+ ou Na+ sont insérés/extraits de leur cadre, on utilise principalement la diffraction, exploitant neutrons, rayons X et le rayonnement synchrotron (SR). Nous avons adopté une approche combinée des mesures ex situ, in situ et operando. Au début, nous avons conçu une cellule électrochimique pour mesures in situ de diffraction de neutrons sur poudre (NPD), avec un alliage en (Ti,Zr) "transparent aux neutrons"; cette cellule s'est ajoutée à l’ensemble de nos outils pour effectuer des études de type operando. Nous avons démontré leur faisabilité en utilisant LiFePO4, montrant de bonnes performances électrochimiques et des données NPD de haute qualité pour affinements structurales Rietveld. Ensuite, nous avons réalisé des études des spinelles Li1+xMn2-xO4 (x=0,0.05,0.10) et LiNi0.4Mn1.6O4: pendant le cyclage, nous avons rapporté des évolutions structurelles, des diagrammes de phases et paramètres subtils tels que le comportement du Li, ou les facteurs de température. L’utilisation complémentaire du SR a clarifié la nature de la phase ordonnée Li0.5Mn2O4. Nos études combinées ont concernées d’autres matériaux d'électrodes prometteurs: LiVPO4O et Na3V2(PO4)2F3. Les 2 révèle des comportements complexes pendant la (de)intercalation du Li+/Na+. Les données de haute qualité ont permis des analyses quantitatives, dévoilant la structure d'un grand nombre des phases ordonnées et menant à la compréhension du comportement des cations dans ces matériaux
This work aims at studying electrode materials for Li-ion and Na-ion batteries as they function inside batteries. Diffraction is the mainly used technique, exploiting neutrons, X-Rays and synchrotron radiation (SR), to obtain insights on the structural evolution of such materials as Li+ or Na+ are inserted/extracted from their framework. We adopted a combined approach of ex situ, in situ and operando measurements to extract a maximum of information from our studies. At first, we designed an electrochemical cell for in situ neutron powder diffraction (NPD) measurements, featuring a “neutron-transparent” (Ti,Zr) alloy; this cell, joined to others previously developed in our group, gave us a complete set of tools to perform our studies. We demonstrated the feasibility of operando NPD using LiFePO4, showing good electrochemical performances and high-quality NPD patterns for Rietveld structural refinements. Then we carried out detailed studies of spinels Li1+xMn2-xO4 (x = 0, 0.05, 0.10) and LiNi0.4Mn1.6O4: we reported phase diagrams, structural evolutions and subtle parameters as lithium's behavior inside the spinel framework, or thermal displacement parameters, directly upon cycling. Complementary use of SR shed light on other features, as the nature of the ordered phase Li0.5Mn2O4. Our combined studies concerned other promising electrode materials: LiVPO4O and…
Advisors/Committee Members: Masquelier, Christian (thesis director).
Subjects/Keywords: Neutron; Crystal structures; 540
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Bianchini, M. (2015). In situ diffraction studies of electrode materials for Li-ion and Na-ion batteries : Etudes de diffraction in situ pour matériaux d'électrode en batteries Li-ion et Na-ion. (Doctoral Dissertation). Amiens. Retrieved from http://www.theses.fr/2015AMIE0022
Chicago Manual of Style (16th Edition):
Bianchini, Matteo. “In situ diffraction studies of electrode materials for Li-ion and Na-ion batteries : Etudes de diffraction in situ pour matériaux d'électrode en batteries Li-ion et Na-ion.” 2015. Doctoral Dissertation, Amiens. Accessed January 23, 2021.
http://www.theses.fr/2015AMIE0022.
MLA Handbook (7th Edition):
Bianchini, Matteo. “In situ diffraction studies of electrode materials for Li-ion and Na-ion batteries : Etudes de diffraction in situ pour matériaux d'électrode en batteries Li-ion et Na-ion.” 2015. Web. 23 Jan 2021.
Vancouver:
Bianchini M. In situ diffraction studies of electrode materials for Li-ion and Na-ion batteries : Etudes de diffraction in situ pour matériaux d'électrode en batteries Li-ion et Na-ion. [Internet] [Doctoral dissertation]. Amiens; 2015. [cited 2021 Jan 23].
Available from: http://www.theses.fr/2015AMIE0022.
Council of Science Editors:
Bianchini M. In situ diffraction studies of electrode materials for Li-ion and Na-ion batteries : Etudes de diffraction in situ pour matériaux d'électrode en batteries Li-ion et Na-ion. [Doctoral Dissertation]. Amiens; 2015. Available from: http://www.theses.fr/2015AMIE0022

Mississippi State University
26.
Tari, Vahid.
Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin.
Degree: PhD, Computational Engineering, 2015, Mississippi State University
URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/
;
► The aim of this PhD thesis is to incorporate deformation twinning in a full-field viscoplastic crystal plasticity model based on fast Fourier transform in…
(more)
▼ The aim of this PhD thesis is to incorporate deformation twinning in a full-field viscoplastic
crystal plasticity model based on fast Fourier transform in an effort to gain insights into its role on strain localization. This work is motivated by current experimental evidences on the important role that dislocation reactions at the twin interface play on damage initiation in materials during plastic deformation.
We began first by investigating the role of slip on stress localization. To this end, we simulated the effect of macroscopic deformation path, which dictates a macroscopic stress state, as well as pre-existing microstructure in typical ferritic steel, where plastic deformation is accommodated by slip mechanism. The results show that the width of localized strain rate regions near grain boundaries is a function of the deformation path, and there is a positive correlation between local Taylor factor and local stress field, which slightly depends on deformation path.
For the incorporation of mechanical twinning in twinning-induced plasticity (TWIP) steel, we implemented predominant reorientation scheme (PTR) in vpFFT, which was implemented previously in the mean field VPSC. The comparison between
experimental and simulation results indicates that twin volume fraction, final texture, and stress-strain curve were satisfactorily predicted. Despite that predominant twin reorientation scheme was not suitable to capture lamellar shape of twins in the microstructure, twin domains were predicted to form and grow at or close to grain boundary regions.
Finally, we surveyed current literature, which aimed at capturing the characteristic lamellar morphology of twins. Literature review shows several unsuccessful
crystal plasticity simulations in capturing twin nucleation and twin lamellar shape at measocale. These inabilities can be attributed to i) twin nucleation that is controlled by local atomistic configurations and stress fluctuations at the grain boundaries, and ii) the random or stochastic nature of twin nucleation, which has been proved by EBSD observation. Based on the EBSD observations, twin nucleation depends on both microstructural (e.g, grain size, dislocation density) and loading conditions ( e.g, stress, strain). Furthermore, the propensity, frequency, and morphology of deformation twins are different among grain with the same orientation and applied boundary conditions.
Advisors/Committee Members: Haitham El Kadiri (chair).
Subjects/Keywords: Crystal plasticity; FFT; mesoscale
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Tari, V. (2015). Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin. (Doctoral Dissertation). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;
Chicago Manual of Style (16th Edition):
Tari, Vahid. “Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin.” 2015. Doctoral Dissertation, Mississippi State University. Accessed January 23, 2021.
http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;.
MLA Handbook (7th Edition):
Tari, Vahid. “Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin.” 2015. Web. 23 Jan 2021.
Vancouver:
Tari V. Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin. [Internet] [Doctoral dissertation]. Mississippi State University; 2015. [cited 2021 Jan 23].
Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;.
Council of Science Editors:
Tari V. Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin. [Doctoral Dissertation]. Mississippi State University; 2015. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;

Oregon State University
27.
Orf, Christopher B.
Synthesis and study of new optical hosts.
Degree: MS, Chemistry, 1993, Oregon State University
URL: http://hdl.handle.net/1957/36606
Subjects/Keywords: Crystal optics
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
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APA (6th Edition):
Orf, C. B. (1993). Synthesis and study of new optical hosts. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/36606
Chicago Manual of Style (16th Edition):
Orf, Christopher B. “Synthesis and study of new optical hosts.” 1993. Masters Thesis, Oregon State University. Accessed January 23, 2021.
http://hdl.handle.net/1957/36606.
MLA Handbook (7th Edition):
Orf, Christopher B. “Synthesis and study of new optical hosts.” 1993. Web. 23 Jan 2021.
Vancouver:
Orf CB. Synthesis and study of new optical hosts. [Internet] [Masters thesis]. Oregon State University; 1993. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/1957/36606.
Council of Science Editors:
Orf CB. Synthesis and study of new optical hosts. [Masters Thesis]. Oregon State University; 1993. Available from: http://hdl.handle.net/1957/36606

Stony Brook University
28.
Walter, Stefan.
The Influence of Disorder on Bloch Oscillations in a System of Ultracold Atoms in an Optical Lattice
.
Degree: 2009, Stony Brook University
URL: http://hdl.handle.net/1951/52293
Subjects/Keywords: Periodic crystal
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
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APA (6th Edition):
Walter, S. (2009). The Influence of Disorder on Bloch Oscillations in a System of Ultracold Atoms in an Optical Lattice
. (Thesis). Stony Brook University. Retrieved from http://hdl.handle.net/1951/52293
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Walter, Stefan. “The Influence of Disorder on Bloch Oscillations in a System of Ultracold Atoms in an Optical Lattice
.” 2009. Thesis, Stony Brook University. Accessed January 23, 2021.
http://hdl.handle.net/1951/52293.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Walter, Stefan. “The Influence of Disorder on Bloch Oscillations in a System of Ultracold Atoms in an Optical Lattice
.” 2009. Web. 23 Jan 2021.
Vancouver:
Walter S. The Influence of Disorder on Bloch Oscillations in a System of Ultracold Atoms in an Optical Lattice
. [Internet] [Thesis]. Stony Brook University; 2009. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/1951/52293.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Walter S. The Influence of Disorder on Bloch Oscillations in a System of Ultracold Atoms in an Optical Lattice
. [Thesis]. Stony Brook University; 2009. Available from: http://hdl.handle.net/1951/52293
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Vanderbilt University
29.
Kang, Christopher.
Multiple-Hole Defects: Optimizing Light-Matter Interaction in Photonic Crystal Cavities.
Degree: PhD, Interdisciplinary Materials Science, 2011, Vanderbilt University
URL: http://hdl.handle.net/1803/12967
► Silicon photonic crystal (PhC) cavities have attracted great interest recently due to their ability to highly confine light both spatially and temporally. The small mode…
(more)
▼ Silicon photonic
crystal (PhC) cavities have attracted great interest recently due to their ability to highly confine light both spatially and temporally. The small mode volumes and long photon lifetimes associated with PhC cavities are desirable for sensing applications, which utilize the sensitivity of the light-matter interaction (LMI) inside the cavity region. In pursuit of enhancing the LMI of PhC cavity-based sensors, this dissertation focuses on the design, simulation, fabrication, and testing of Multiple-Hole Defect (MHD) PhC cavities. MHD PhCs are 2D silicon slab PhCs with small, sub-wavelength sized “defect holes” placed directly into point defect PhC cavities. The insertion of MHDs increases the spatial overlap in the PhC cavity between the modal field and any surface perturbations, such as captured molecules, made within the cavity. Several designs of MHD PhC cavities were explored using Finite-Difference Time Domain (FDTD) simulations in order to understand the effect of MHD integration on the PhC cavity resonance frequency and quality factor. It was found that the LMI is maximized when defect holes are placed in regions of highest field localization within PhC cavities. The sensitivity of MHD PhCs to bulk refractive index changes was investigated by wetting the structures with different fluids. The bulk index sensitivity of MHD PhC cavities with 80 nm diameter defect holes was found to be 98 nm/RIU, which is larger than comparable PhC cavity sensors without defect holes. The sensitivity of MHD PhCs to small refractive perturbations on the sensor surfaces was explored by binding small-molecules to the surfaces of MHD PhCs treated with either a native oxide or an atomic layer deposition (ALD) silicon dioxide. It was found that the sensitivity of PhC sensors to a 0.8 nm thick, surface-bound aminosilane monolayer was increased by 160% when three 60 nm diameter defect holes were added to an L3 PhC cavity. These results represent the initial steps towards highly sensitive, compact, label free optical sensors, and with further improvements could result in improved handheld lab-on-chip type sensor devices.
Advisors/Committee Members: Richard F. Haglund, Jr. (committee member), Deyu Li (committee member), Ronald D. Schrimpf (committee member), Solomon Assefa (committee member), Sharon M. Weiss (Committee Chair).
Subjects/Keywords: photonic crystal; sensor; photonics
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kang, C. (2011). Multiple-Hole Defects: Optimizing Light-Matter Interaction in Photonic Crystal Cavities. (Doctoral Dissertation). Vanderbilt University. Retrieved from http://hdl.handle.net/1803/12967
Chicago Manual of Style (16th Edition):
Kang, Christopher. “Multiple-Hole Defects: Optimizing Light-Matter Interaction in Photonic Crystal Cavities.” 2011. Doctoral Dissertation, Vanderbilt University. Accessed January 23, 2021.
http://hdl.handle.net/1803/12967.
MLA Handbook (7th Edition):
Kang, Christopher. “Multiple-Hole Defects: Optimizing Light-Matter Interaction in Photonic Crystal Cavities.” 2011. Web. 23 Jan 2021.
Vancouver:
Kang C. Multiple-Hole Defects: Optimizing Light-Matter Interaction in Photonic Crystal Cavities. [Internet] [Doctoral dissertation]. Vanderbilt University; 2011. [cited 2021 Jan 23].
Available from: http://hdl.handle.net/1803/12967.
Council of Science Editors:
Kang C. Multiple-Hole Defects: Optimizing Light-Matter Interaction in Photonic Crystal Cavities. [Doctoral Dissertation]. Vanderbilt University; 2011. Available from: http://hdl.handle.net/1803/12967
30.
Patel, Vishnubhai D.
Synthesis, characterization and crystal structure of
schiffbase crystals using P dimethyleaminobenzaldehyde and O
phenylenediamine ligand with CO(II) and CR(VI) metal; -.
Degree: Physics, 2011, Suresh Gyan Vihar University
URL: http://shodhganga.inflibnet.ac.in/handle/10603/10166
► The grown crystals of composition made up by d-block metals (Co, and Cr) and p-dimethylaminobenzaldehyde and o-phenylenediamine ligand by Flux - Reflux Technique has been…
(more)
▼ The grown crystals of composition made up by
d-block metals (Co, and Cr) and p-dimethylaminobenzaldehyde and
o-phenylenediamine ligand by Flux - Reflux Technique has been
thoroughly investigated by the author using various techniques and
characterizations. In present investigation opical characterization
such as IR spectroscopy, Reflectance spectroscopic observed and
magnetic moment calculated from the said spectra. Thermogravimetric
analysis and Thermal conductivity studied of the crystals was
carried out. Electrical conductivity also study by the author on
the same crystal. As a part of chemical study, elemental analysis
and molar conductivity carried out. Antibacterial assay studied as
a part of biological study.
References given chapter wise
Advisors/Committee Members: Parmar, Manojkumar N.
Subjects/Keywords: Physics; Crystal Growth; Magnetic Measurement
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APA ·
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MLA ·
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Export
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Manager
APA (6th Edition):
Patel, V. D. (2011). Synthesis, characterization and crystal structure of
schiffbase crystals using P dimethyleaminobenzaldehyde and O
phenylenediamine ligand with CO(II) and CR(VI) metal; -. (Thesis). Suresh Gyan Vihar University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/10166
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Patel, Vishnubhai D. “Synthesis, characterization and crystal structure of
schiffbase crystals using P dimethyleaminobenzaldehyde and O
phenylenediamine ligand with CO(II) and CR(VI) metal; -.” 2011. Thesis, Suresh Gyan Vihar University. Accessed January 23, 2021.
http://shodhganga.inflibnet.ac.in/handle/10603/10166.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Patel, Vishnubhai D. “Synthesis, characterization and crystal structure of
schiffbase crystals using P dimethyleaminobenzaldehyde and O
phenylenediamine ligand with CO(II) and CR(VI) metal; -.” 2011. Web. 23 Jan 2021.
Vancouver:
Patel VD. Synthesis, characterization and crystal structure of
schiffbase crystals using P dimethyleaminobenzaldehyde and O
phenylenediamine ligand with CO(II) and CR(VI) metal; -. [Internet] [Thesis]. Suresh Gyan Vihar University; 2011. [cited 2021 Jan 23].
Available from: http://shodhganga.inflibnet.ac.in/handle/10603/10166.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Patel VD. Synthesis, characterization and crystal structure of
schiffbase crystals using P dimethyleaminobenzaldehyde and O
phenylenediamine ligand with CO(II) and CR(VI) metal; -. [Thesis]. Suresh Gyan Vihar University; 2011. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/10166
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
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