subject:(Transition metals AND rare earths alloys)

Univerzitet u Beogradu

1. Milikić, Jadranka, 1987-. Elektrokatalitički materijali za oksidaciju borhidrida.

Degree: Fakultet za fizičku hemiju, 2017, Univerzitet u Beogradu

URL: https://fedorabg.bg.ac.rs/fedora/get/o:14869/bdef:Content/get

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Fizička hemija - Fizička hemija materijala i elektrohemija / Physical chemistry - Physical Chemistry of Materials and Electrochemistry

Danas se kao primarni izvori energije u… (more)

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Fizička hemija - Fizička hemija materijala i elektrohemija / Physical chemistry - Physical Chemistry of Materials and Electrochemistry

Danas se kao primarni izvori energije u industriji koriste fosilna goriva, nafta i prirodan gas. Zalihe navedenih goriva su ograničene, a i posledice korišćenja ovih goriva su veoma nepovoljne po životnu sredinu pa se traga za obnovljivim i ekološki prihvatljivijim izvorima energije. Usled svetske energetske krize, koja još uvek traje, značajno je oživelo naučno i tehnološko interesovanje za NaBH4 za skladištenje ili kao izvor energije. Prva istraživanja su se odnosila na skladištenje vodonika dok je nešto kasnije pomenuta direktna elektrooksidacija NaBH4 za primenu u direktnim borhidridnim gorivnim ćelijama. Gorivne ćelije su elektrohemijske ćelije, koje hemijsku energiju goriva pretvaraju u električnu energiju. Danas primenu prvenstveno imaju u automobilskoj industriji, jer ne postoje zagađujući izduvni gasovi, što ima blagotvoran uticaj na životnu sredinu. Na osnovu brojnih istraživanja zlato i srebro pokazuju najbolju elektrohemijsku efikasnost u elektrooksidaciji borhidrida, gde je postignut visok prinos elektrona, za razliku od npr. platine gde je prinos manji. Međutim, treba istaći da je zlato veoma skupo i ima sporu kinetiku elektrooksidacije borhidrida pa se zato traga za novim elektrokatalizatorima. Cilj ovog rada je analiza anodnih materijala za oksidaciju natrijum borhidrida i njihova primena u direktnim borhidridnim gorivnim ćelijama. U okviru ovog rada testirano je pet materijala sa različitim masenim sadržajima gradivnih komponenti. Testirane su komercijalne legure platine i nikla ili kobalta na ugljeničnoj osnovi, zatim, legure platina retke zemlje (od kojih je testiran disprozijum), takođe, nikal i elementi retke zemlje (disprozijum i samarijum), potom, elektrokatalizatori paladijuma sintetisani na dve različite ugljenične osnove i elektrokatalizatori srebra sintetisanih na ugljeniku. Od pomenutih elektrokatalizatora pokazano je da je najefikasniji za oksidaciju borhidrida platina-nikal ili kobalt. Efikasnost je utvrđena na osnovu brojnih elektrohemijskih i kinetičkih parametara. Zapravo, pomenuti elektrokatalizatori platine pre svega daju najveće gustine struje, najnižu energiju aktivacije i najveći broj razmenjenih elektrona.Veoma je bitno i napomenuti i cenu ovih elektrokatalizatora koja je svakako niža od čiste platine na ugljeniku. Slično ponašanje su pokazali i testrani elektrokatalizatori paladijuma, koji takođe ima nižu cenu od platine. Nešto manju efikasnost za oksidaciju borhidrida pokazale su redom nikal-retke zemlje, platina-retke zemlje, dok su najmanje aktivni elektrokatalizatori na bazi srebra...

Advisors/Committee Members: Šljukić-Paunković, Biljana..

Subjects/Keywords: direct borohydride fuel cell; sodium borohydride oxidation reaction; alloys of platinum and transition metals; alloys of platinum and dysrposium; alloys of nickel and rare earths; palladium electrocatalysts; silver electrocatalysts

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Milikić, Jadranka, 1. (2017). Elektrokatalitički materijali za oksidaciju borhidrida. (Thesis). Univerzitet u Beogradu. Retrieved from https://fedorabg.bg.ac.rs/fedora/get/o:14869/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Milikić, Jadranka, 1987-. “Elektrokatalitički materijali za oksidaciju borhidrida.” 2017. Thesis, Univerzitet u Beogradu. Accessed March 06, 2021. https://fedorabg.bg.ac.rs/fedora/get/o:14869/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Milikić, Jadranka, 1987-. “Elektrokatalitički materijali za oksidaciju borhidrida.” 2017. Web. 06 Mar 2021.

Vancouver:

Milikić, Jadranka 1. Elektrokatalitički materijali za oksidaciju borhidrida. [Internet] [Thesis]. Univerzitet u Beogradu; 2017. [cited 2021 Mar 06]. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:14869/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Milikić, Jadranka 1. Elektrokatalitički materijali za oksidaciju borhidrida. [Thesis]. Univerzitet u Beogradu; 2017. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:14869/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Houston

2. Samarasekere, Pradeep W. 1985-. Synthesis, Structures, and Properties of Metal Formates.

Degree: PhD, Inorganic Chemistry, 2014, University of Houston

URL: http://hdl.handle.net/10657/4757

► Metal-organic frameworks (MOFs) are inorganic-organic hybrid materials containing metal cations connected with organic bridging ligands to form extended structures. The research present in this dissertation… (more)

▼ Metal-organic frameworks (MOFs) are inorganic-organic hybrid materials containing metal cations connected with organic bridging ligands to form extended structures. The research present in this dissertation investigates the use of short-bridging ligands in constructing dense-MOFs under solvothermal conditions and their applications. In particular, formate, the smallest carboxylic ligand was used as the organic bridging ligand. Using different metals in building MOFs enables the introduction of different properties. The temperature and reaction time proved to be the key factors in synthesizing pure phases. A series of layered divalent metal formate compounds, [M(HCOO)2.(HCONH2)2] (M=Mn[2.1], Ni[2.2], Cu[2.3], Zn[2.4], Mg[2.5]), were synthesized and characterized. Order-disorder phase transformations were observed in [2.1], [2.2] and [2.4]. The magnetic properties of the three magnetic members, [2.1], [2.2] and [2.3] revealed that all the compounds are antiferromagnetic Heisenberg square lattices with S=5/2 , 1, and 1/2 respectively, with low temperature long range order (LRO). The second series of transition metal formates, [CH(NH2)2][M(HCOO)3] (M= Mn[3.1], Fe[3.2], Co[3.3], Ni[3.4], have 3D-framework structures. The compound [3.1] has phase transitions above and below room-temperature. Dielectric anomalies were observed in the vicinity of the phase transitions and the low temperature transition appears to be ferroelectric in character. All four compounds are spin-canted antiferromagnets with Mn, Fe, and Co members showing spin reorientations in the LRO state. Fifteen lanthanide formate frameworks were also synthesized, nine were isostructural with the composition Ln(HCOO)3.(HCONH2)2 (Ln=Y[4.1], Sm[4.2], Eu[4.3], Gd[4.4], Tb[4.5], Ho[4.6], Tm[4.7], Yb[4.8] and Lu[4.9]) and six were isostructural with the composition [CH(NH2)2][Ln(HCOO)4](Ln=Y[4.10], Sm[4.11], Ho[4.12], Tm[4.13], Yb[4.14] and Lu[4.15]). The luminescence properties of [4.2], [4.3], [4.5] and [4.11] were investigated and show characteristic emission bands. Finally, an environmentally friendly rare earth (lanthanides) recycling method based on metal-formate frameworks is described. We have discovered that oxides containing rare earths readily react with formamide and form lanthanide-formate frameworks. The chemistry has been extended to more complex oxide mixtures found in commercially available phosphors and rare earth containing waste materials. The method can eliminate the need for use of strong acids and the subsequent waste disposal problems that ensue in the current established methods. Advisors/Committee Members: Jacobson, Allan J. (advisor), Guloy, Arnold M. (committee member), Halasyamani, P. Shiv (committee member), Lee, T. Randall (committee member), Rimer, Jeffrey D. (committee member).

Subjects/Keywords: Metal-organic frameworks; Metal formates; Formates; Transition metals; Lanthanides; 2D magnets; Multiferroics; Luminescence; Rare earths; Rare earth recycling; Solvothermal

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APA (6^th Edition):

Samarasekere, P. W. 1. (2014). Synthesis, Structures, and Properties of Metal Formates. (Doctoral Dissertation). University of Houston. Retrieved from http://hdl.handle.net/10657/4757

Chicago Manual of Style (16^th Edition):

Samarasekere, Pradeep W 1985-. “Synthesis, Structures, and Properties of Metal Formates.” 2014. Doctoral Dissertation, University of Houston. Accessed March 06, 2021. http://hdl.handle.net/10657/4757.

MLA Handbook (7^th Edition):

Samarasekere, Pradeep W 1985-. “Synthesis, Structures, and Properties of Metal Formates.” 2014. Web. 06 Mar 2021.

Vancouver:

Samarasekere PW1. Synthesis, Structures, and Properties of Metal Formates. [Internet] [Doctoral dissertation]. University of Houston; 2014. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/10657/4757.

Council of Science Editors:

Samarasekere PW1. Synthesis, Structures, and Properties of Metal Formates. [Doctoral Dissertation]. University of Houston; 2014. Available from: http://hdl.handle.net/10657/4757

3. Ferté, Tom. Dynamique ultrarapide de l'aimantation dans les alliages de métaux de transitions et de terres rares : Ultrafast magnetization in transition metals and rare earths alloys.

Degree: Docteur es, Physique de la matière condensée, 2017, Université de Strasbourg

URL: http://www.theses.fr/2017STRAE018

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Mon travail décrit la dynamique de l'aimantation pico et femtoseconde mesurée grâce à la structure temporelle des rayons X. J'ai étudié la désaimantation ultrarapide des… (more)

Subjects/Keywords: Dynamique ultrarapide de l'aimantation; Désaimantation ultrarapide; Femtomagnétisme; Alliages de métaux de transitions et de terres rares; Matière condensée; Couches minces; Ultrafast magnetization; Ultrafast demagnetization; Femtomagnetism; Transition metals and rare earths alloys; Condensed matter; Thin layer; 530.4; 538.9

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ferté, T. (2017). Dynamique ultrarapide de l'aimantation dans les alliages de métaux de transitions et de terres rares : Ultrafast magnetization in transition metals and rare earths alloys. (Doctoral Dissertation). Université de Strasbourg. Retrieved from http://www.theses.fr/2017STRAE018

Chicago Manual of Style (16^th Edition):

Ferté, Tom. “Dynamique ultrarapide de l'aimantation dans les alliages de métaux de transitions et de terres rares : Ultrafast magnetization in transition metals and rare earths alloys.” 2017. Doctoral Dissertation, Université de Strasbourg. Accessed March 06, 2021. http://www.theses.fr/2017STRAE018.

MLA Handbook (7^th Edition):

Ferté, Tom. “Dynamique ultrarapide de l'aimantation dans les alliages de métaux de transitions et de terres rares : Ultrafast magnetization in transition metals and rare earths alloys.” 2017. Web. 06 Mar 2021.

Vancouver:

Ferté T. Dynamique ultrarapide de l'aimantation dans les alliages de métaux de transitions et de terres rares : Ultrafast magnetization in transition metals and rare earths alloys. [Internet] [Doctoral dissertation]. Université de Strasbourg; 2017. [cited 2021 Mar 06]. Available from: http://www.theses.fr/2017STRAE018.

Council of Science Editors:

Ferté T. Dynamique ultrarapide de l'aimantation dans les alliages de métaux de transitions et de terres rares : Ultrafast magnetization in transition metals and rare earths alloys. [Doctoral Dissertation]. Université de Strasbourg; 2017. Available from: http://www.theses.fr/2017STRAE018

Michigan State University

4. Choi, Kyoung-Shin. Studies on the multinary antimony chalocogenides and related compounds prepared by the molten salt method.

Degree: PhD, Department of Chemistry, 2000, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:30380

Subjects/Keywords: Chalcogenides; Transition metals; Magnetochemistry; Rare earth metals – Magnetic properties; Rare earth metal alloys

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Choi, K. (2000). Studies on the multinary antimony chalocogenides and related compounds prepared by the molten salt method. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:30380

Chicago Manual of Style (16^th Edition):

Choi, Kyoung-Shin. “Studies on the multinary antimony chalocogenides and related compounds prepared by the molten salt method.” 2000. Doctoral Dissertation, Michigan State University. Accessed March 06, 2021. http://etd.lib.msu.edu/islandora/object/etd:30380.

MLA Handbook (7^th Edition):

Choi, Kyoung-Shin. “Studies on the multinary antimony chalocogenides and related compounds prepared by the molten salt method.” 2000. Web. 06 Mar 2021.

Vancouver:

Choi K. Studies on the multinary antimony chalocogenides and related compounds prepared by the molten salt method. [Internet] [Doctoral dissertation]. Michigan State University; 2000. [cited 2021 Mar 06]. Available from: http://etd.lib.msu.edu/islandora/object/etd:30380.

Council of Science Editors:

Choi K. Studies on the multinary antimony chalocogenides and related compounds prepared by the molten salt method. [Doctoral Dissertation]. Michigan State University; 2000. Available from: http://etd.lib.msu.edu/islandora/object/etd:30380

Deakin University

5. Ross, Nigel Graeme. Microstructural development and mechanical properties in wrought Mg-Zn-RE alloys.

Degree: 2012, Deakin University

URL: http://hdl.handle.net/10536/DRO/DU:30056570

► Magnesium-zinc alloys with and without rare earth metals were examined. Particles form when rare earth metals are present and these affect the development of the… (more)

Subjects/Keywords: Magnesium; Zinc; Alloys; Rare metals; Structure; Strength

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APA (6^th Edition):

Ross, N. G. (2012). Microstructural development and mechanical properties in wrought Mg-Zn-RE alloys. (Thesis). Deakin University. Retrieved from http://hdl.handle.net/10536/DRO/DU:30056570

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ross, Nigel Graeme. “Microstructural development and mechanical properties in wrought Mg-Zn-RE alloys.” 2012. Thesis, Deakin University. Accessed March 06, 2021. http://hdl.handle.net/10536/DRO/DU:30056570.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ross, Nigel Graeme. “Microstructural development and mechanical properties in wrought Mg-Zn-RE alloys.” 2012. Web. 06 Mar 2021.

Vancouver:

Ross NG. Microstructural development and mechanical properties in wrought Mg-Zn-RE alloys. [Internet] [Thesis]. Deakin University; 2012. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/10536/DRO/DU:30056570.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ross NG. Microstructural development and mechanical properties in wrought Mg-Zn-RE alloys. [Thesis]. Deakin University; 2012. Available from: http://hdl.handle.net/10536/DRO/DU:30056570

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Anna University

6. Senthil Kumar K. Studies on growth and properties of pure and doped metals rare earths dyes and amino acid Glycine Phosphite GPI single crystals;.

Degree: 2013, Anna University

URL: http://shodhganga.inflibnet.ac.in/handle/10603/11106

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Ferroelectricity in Glycine Phosphite abbreviated as GPI was first observed in the year 1996. GPI is obtained from the combination of amino acid (Glycine) and… (more)

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Ferroelectricity in Glycine Phosphite abbreviated as GPI was first observed in the year 1996. GPI is obtained from the combination of amino acid (Glycine) and inorganic acid (Phosphorous acid). GPI and deuterated GPI undergo a continuous ferroelectric phase transition at 224 K and 324 K respectively. Growth and characterization of pure and doped Glycine Phosphite single crystals were carried out. GPI was obtained from glycine and phosphorous acid in equi molar ratio. Various supersaturation ratio were adopted in the temperature lowering methods to optimize the growth, lower the cooling rate improve the quality of crystals but takes longer growth duration. Single crystal X-ray diffraction studies were carried out to determine the lattice parameters and to understand structural morphologies for pure and doped GPI crystals. HRXRD studies were used to determine the crystalline perfection, structural, optical quality of single crystals and reveal some interesting features on the effect of incorporation of the different dopants in the crystalline matrix. Crystalline phases of pure and GPI crystals were identified by powder X-ray diffraction methods. Variation of transparency and cut-off wavelengths of pure and doped crystals were analyzed and compared with pure GPI material. DSC measurements were carried out in the low temperature region (200 K 300 K) for identifying the paraelectric to ferroelectric transition temperature which shows the significant shift of Tc towards the higher temperature in the case of few metals and amino acid doped GPI crystals compared to pure. The single crystals of pure and doped GPI were grown from solvent evaporation and temperature lowering methods. Grown crystals were characterized with various characterization techniques. Among the dopants few metals and amino acid dopants enhance the structural, optical, thermal, dielectric, piezoelectric, ferroelectric and mechanical properties significantly. However other dopants show slight improvement of all properties. newline newline newline

None

Advisors/Committee Members: Moorthy Babu,S..

Subjects/Keywords: Glycine Phosphite; Single crystals; metals; rare earths; dyes; amino acid

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APA (6^th Edition):

K, S. K. (2013). Studies on growth and properties of pure and doped metals rare earths dyes and amino acid Glycine Phosphite GPI single crystals;. (Thesis). Anna University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/11106

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

K, Senthil Kumar. “Studies on growth and properties of pure and doped metals rare earths dyes and amino acid Glycine Phosphite GPI single crystals;.” 2013. Thesis, Anna University. Accessed March 06, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/11106.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

K, Senthil Kumar. “Studies on growth and properties of pure and doped metals rare earths dyes and amino acid Glycine Phosphite GPI single crystals;.” 2013. Web. 06 Mar 2021.

Vancouver:

K SK. Studies on growth and properties of pure and doped metals rare earths dyes and amino acid Glycine Phosphite GPI single crystals;. [Internet] [Thesis]. Anna University; 2013. [cited 2021 Mar 06]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/11106.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

K SK. Studies on growth and properties of pure and doped metals rare earths dyes and amino acid Glycine Phosphite GPI single crystals;. [Thesis]. Anna University; 2013. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/11106

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Euskal Herriko Unibertsitatea / Universidad del País Vasco

7. Martín Caballero, Jagoba. Hybrid polyoxometalates: synthesis, crystal structures, thermostructural behavior and anchoring to tailored polymeric surfaces .

Degree: 2017, Euskal Herriko Unibertsitatea / Universidad del País Vasco

URL: http://hdl.handle.net/10810/24195

► Los polioxometalatos (POMs) son una familia de clústeres aniónicos que presentan una gran diversidad estructural, topológica, electrónica y reactiva. La preparación de materiales híbridos en… (more)

Subjects/Keywords: coordination compounds; metals; rare earths; compuestos de coordinación; metales; tierras raras

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APA (6^th Edition):

Martín Caballero, J. (2017). Hybrid polyoxometalates: synthesis, crystal structures, thermostructural behavior and anchoring to tailored polymeric surfaces . (Doctoral Dissertation). Euskal Herriko Unibertsitatea / Universidad del País Vasco. Retrieved from http://hdl.handle.net/10810/24195

Chicago Manual of Style (16^th Edition):

Martín Caballero, Jagoba. “Hybrid polyoxometalates: synthesis, crystal structures, thermostructural behavior and anchoring to tailored polymeric surfaces .” 2017. Doctoral Dissertation, Euskal Herriko Unibertsitatea / Universidad del País Vasco. Accessed March 06, 2021. http://hdl.handle.net/10810/24195.

MLA Handbook (7^th Edition):

Martín Caballero, Jagoba. “Hybrid polyoxometalates: synthesis, crystal structures, thermostructural behavior and anchoring to tailored polymeric surfaces .” 2017. Web. 06 Mar 2021.

Vancouver:

Martín Caballero J. Hybrid polyoxometalates: synthesis, crystal structures, thermostructural behavior and anchoring to tailored polymeric surfaces . [Internet] [Doctoral dissertation]. Euskal Herriko Unibertsitatea / Universidad del País Vasco; 2017. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/10810/24195.

Council of Science Editors:

Martín Caballero J. Hybrid polyoxometalates: synthesis, crystal structures, thermostructural behavior and anchoring to tailored polymeric surfaces . [Doctoral Dissertation]. Euskal Herriko Unibertsitatea / Universidad del País Vasco; 2017. Available from: http://hdl.handle.net/10810/24195

Columbia University

8. Zhou, Chengchuan. Enhanced Extraction of Alkaline Metals and Rare Earth Elements from Unconventional Resources during Carbon Sequestration.

Degree: 2019, Columbia University

URL: https://doi.org/10.7916/d8-56d6-1q70

► With the increase of the the global energy consumption has also been increasing, which is about 18 TW nowadays (Dudley, 2018), the anthropogenic CO2 emissions… (more)

▼ With the increase of the the global energy consumption has also been increasing, which is about 18 TW nowadays (Dudley, 2018), the anthropogenic CO2 emissions have also been increasing, which is about 410 ppm nowadays (Dudley, 2018; Tans & Keeling, 2019). Numerous evidences have been reported indicating that high atmospheric CO2 concentration can have significant greenhouse effect and thus lead to global warming and climate change (Pachauri et al, 2014; Hansen et al, 2013). Therefore, measures need to be taken to control and reduce the atmospheric CO2 concentration. In such circumstance, carbon capture, utilization and storage (CCUS) technologies have been proposed and developed to close the carbon cycle. Mineral carbonation (MC) is one of the CCUS technologies, which mimics the natural silicate weathering process to react CO2 with silicate materials so that carbon can be stabilized in the form of insoluble carbonates for permanent carbon storage (Seifritz, 1990; Lackner et al, 1995). Both Ca- or Mg-bearing silicate minerals and alkaline silicate industrial wastes can be employed as the feedstock for mineral carbonation (Sanna et al, 2014; Gadikota et al, 2014; Park, 2005; Park & Fan, 2004; Park et al, 2003; Park & Zhou, 2017; Zhou, 2014; Zhao, 2014; Swanson, 2014). While they share similar chemistries and total Mg and Ca contents, different MC feedstock can lead to different challenges for CCUS. As for silicate minerals, although they have large enough capacity to mineralize all the anthropogenic CO2 emissions, their reactivities are generally very low, and measures should be developed to accelerate the carbonation kinetics of the minerals (Sanna et al, 2014). However, the elemental extraction of the silicate minerals is a relatively complicated kinetic process, because silica-rich passivation layer can form on the particle surface during mineral dissolution process and thus the rate-limiting step of the process can change from chemical reaction to mass transfer. Without a clear understanding of the elemental extraction kinetics, the design and evaluation of different acceleration methods aiming at different rate-limiting steps of the process can be challenging. As for alkaline industrial wastes, they are generally more reactive than silicate minerals, but can be more heterogeneous with more complicated compositions. In such cases, the separation and recovery of other elements should also be integrated with the carbonation process so that the overall sustainability of the mineral carbonation technology can be enhanced. In order to address these challenges, this study focused on the fundamental understanding of dissolution and carbonation behaviors of alkaline silicate materials and integration of step-wise separations of rare-earth elements (REEs). Both experimental and modeling studies were carried out to provide insights into how Mg and Ca as well as REEs are leaching into solvents at different conditions, and the fundamental understandings on mineral dissolution kinetics and mechanisms were also…

Subjects/Keywords: Environmental engineering; Power resources; Carbon sequestration; Alkaline earth metals; Rare earths

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APA (6^th Edition):

Zhou, C. (2019). Enhanced Extraction of Alkaline Metals and Rare Earth Elements from Unconventional Resources during Carbon Sequestration. (Doctoral Dissertation). Columbia University. Retrieved from https://doi.org/10.7916/d8-56d6-1q70

Chicago Manual of Style (16^th Edition):

Zhou, Chengchuan. “Enhanced Extraction of Alkaline Metals and Rare Earth Elements from Unconventional Resources during Carbon Sequestration.” 2019. Doctoral Dissertation, Columbia University. Accessed March 06, 2021. https://doi.org/10.7916/d8-56d6-1q70.

MLA Handbook (7^th Edition):

Zhou, Chengchuan. “Enhanced Extraction of Alkaline Metals and Rare Earth Elements from Unconventional Resources during Carbon Sequestration.” 2019. Web. 06 Mar 2021.

Vancouver:

Zhou C. Enhanced Extraction of Alkaline Metals and Rare Earth Elements from Unconventional Resources during Carbon Sequestration. [Internet] [Doctoral dissertation]. Columbia University; 2019. [cited 2021 Mar 06]. Available from: https://doi.org/10.7916/d8-56d6-1q70.

Council of Science Editors:

Zhou C. Enhanced Extraction of Alkaline Metals and Rare Earth Elements from Unconventional Resources during Carbon Sequestration. [Doctoral Dissertation]. Columbia University; 2019. Available from: https://doi.org/10.7916/d8-56d6-1q70

Colorado School of Mines

9. Manganello, Mark. Fundamental study of recycling plasma display panels.

Degree: MS(M.S.), Metallurgical and Materials Engineering, 2015, Colorado School of Mines

URL: http://hdl.handle.net/11124/17058

► A method for the beneficiation of plasma display panels was evaluated from a literature survey, thermodynamic data, and experimental work. The proposed process consists of… (more)

Subjects/Keywords: acid bake; rare earths; leaching; ITO; Plasma displays – Recycling; Indium; Rare earth metals; Leaching; Thermodynamics

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APA (6^th Edition):

Manganello, M. (2015). Fundamental study of recycling plasma display panels. (Masters Thesis). Colorado School of Mines. Retrieved from http://hdl.handle.net/11124/17058

Chicago Manual of Style (16^th Edition):

Manganello, Mark. “Fundamental study of recycling plasma display panels.” 2015. Masters Thesis, Colorado School of Mines. Accessed March 06, 2021. http://hdl.handle.net/11124/17058.

MLA Handbook (7^th Edition):

Manganello, Mark. “Fundamental study of recycling plasma display panels.” 2015. Web. 06 Mar 2021.

Vancouver:

Manganello M. Fundamental study of recycling plasma display panels. [Internet] [Masters thesis]. Colorado School of Mines; 2015. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/11124/17058.

Council of Science Editors:

Manganello M. Fundamental study of recycling plasma display panels. [Masters Thesis]. Colorado School of Mines; 2015. Available from: http://hdl.handle.net/11124/17058

Universitat de Barcelona

10. Lozano Letellier, Alba. Geochemistry of rare earth elements in acid mine drainage precipitates.

Degree: Departament de Mineralogia, Petrologia i Geologia Aplicada, 2019, Universitat de Barcelona

URL: http://hdl.handle.net/10803/668458

► Las tierras raras (en inglés rare earth elements, REE) son conocidas como el conjunto de la serie de los lantánidos (La-Lu), itrio (Y) y escandio(Sc).… (more)

▼ Las tierras raras (en inglés rare earth elements, REE) son conocidas como el conjunto de la serie de los lantánidos (La-Lu), itrio (Y) y escandio(Sc). Las tierras raras son materiales indispensables para las industrias modernas y en especial para las tecnologías verdes (aerogeneradores, baterías, láseres, catalizadores, etc.). Sin embargo a pesar de su gran demanda mundial, su abastecimiento es limitado, por lo que han sido catalogadas por la UE como materias primas críticas (Critical Raw Materials). Con el objetivo de asegurar el abastecimiento de REE en el futuro, en los últimos años se ha promovido la búsqueda de fuentes alternativas de estos elementos en todo el mundo. El drenaje ácido de mina (en inglés acid mine drainage, AMD) producido por la meteorización de sulfuros de Fe, tiene un alto poder de lixiviación de las rocas, por lo que las aguas afectadas adquieren elevadas concentraciones en disolución de Fe, Al, SO4 y otros metales, como las REE. Así, las concentraciones de REE en AMD son entre dos y tres órdenes de magnitud superiores al resto de las aguas naturales y pueden suponer una fuente complementaria de recuperación de REE. El aumento de pH del AMD por mezcla con aguas neutras da lugar a la precipitación en los cauces de los ríos de oxy-hidroxisulfatos de hierro (schwertmannita), a partir de pH 3-3.5, y de aluminio (basaluminita), a partir de pH 4-4.5; acompañado de la eliminación de las tierras raras. Debido a su acidez y carga metálica, el drenaje ácido de mina presenta un problema medioambiental de primera magnitud, por lo que se han desarrollado diferentes sistemas de tratamiento para minimizar su impacto. El sistema de tratamiento pasivo Disperse Alkaline Substrate (DAS) produce la neutralización de las aguas ácidas por la disolución de la calcita presente en el sistema, permitiendo la precipitación secuencial, de schwertmannita y basaluminita. Las tierras raras quedan retenidas preferentemente en el residuo enriquecido en basaluminita. A pesar de ello, aún no existen estudios que describan la adsorción de tierras raras tanto en basaluminita como schwertmannita en estos ambientes. En esta tesis se estudia el mecanismo de retención de las tierras raras mediante adsorción en minerales sintéticos de basaluminita y schwertmannita, en función del pH y del contenido de sulfato disuelto. Con los resultados experimentales obtenidos, se propone un modelo termodinámico de adsorción para predecir y explicar la movilidad de las tierras raras observada en mezclas de AMD con aguas neutras y en un sistema de tratamiento pasivo. La basaluminita y la schwertmannita presentan un carácter nanocristalino. Es conocido que la schwertmannita se transforma en goethita en semanas, liberando sulfato. Sin embargo, nada se sabe de la basaluminita y su posible transformación a otros minerales de Al más cristalinos. De este modo, la caracterización del orden local de la basaluminita a diferentes valores de pH y sulfato se expone en primer lugar. Dependiendo del pH y el sulfato en disolución, la basaluminita se transforma… Advisors/Committee Members: [email protected] (authoremail), false (authoremailshow), Ayora, Carles (director), Fernández Martínez, Alejandro (director), Soler i Gil, Albert (tutor).

Subjects/Keywords: Terres rares; Tierras raras; Rare earths; Adsorció; Adsorción; Adsorption; Metalls de transició; Metales de transición; Transition metals; Metalls lleugers; Metales ligeros; Light metals; Mines; Minas; Mines and mineral resources; Ciències Experimentals i Matemàtiques; 55

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Lozano Letellier, A. (2019). Geochemistry of rare earth elements in acid mine drainage precipitates. (Thesis). Universitat de Barcelona. Retrieved from http://hdl.handle.net/10803/668458

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lozano Letellier, Alba. “Geochemistry of rare earth elements in acid mine drainage precipitates.” 2019. Thesis, Universitat de Barcelona. Accessed March 06, 2021. http://hdl.handle.net/10803/668458.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lozano Letellier, Alba. “Geochemistry of rare earth elements in acid mine drainage precipitates.” 2019. Web. 06 Mar 2021.

Vancouver:

Lozano Letellier A. Geochemistry of rare earth elements in acid mine drainage precipitates. [Internet] [Thesis]. Universitat de Barcelona; 2019. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/10803/668458.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lozano Letellier A. Geochemistry of rare earth elements in acid mine drainage precipitates. [Thesis]. Universitat de Barcelona; 2019. Available from: http://hdl.handle.net/10803/668458

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Colorado School of Mines

11. Hart, Matthew T. Evaluating United States and world consumption of neodymium, dysprosium, terbium, and praseodymium in final products.

Degree: MS(M.S.), Economics and Business, 2013, Colorado School of Mines

URL: http://hdl.handle.net/11124/77777

► This paper develops scenarios of future rare-earth-magnet metal (neodymium, dysprosium, terbium, and praseodymium) consumption in the permanent magnets used in wind turbines and hybrid electric… (more)

▼ This paper develops scenarios of future rare-earth-magnet metal (neodymium, dysprosium, terbium, and praseodymium) consumption in the permanent magnets used in wind turbines and hybrid electric vehicles. The scenarios start with naive base-case scenarios for growth in wind-turbine and hybrid-electric-vehicle sales over the period 2011 to 2020, using historical data for each good. These naive scenarios assume that future growth follows time trends in historical data and does not depend on any exogenous variable. Specifically, growth of each technological market follows historical time trends, and the amount of rare earths used per unit of technology remains fixed. The chosen reference year is 2010. Implied consumptions of the rare earth magnet metals are calculated from these scenarios. Assumptions are made for the material composition of permanent magnets, the market share of permanent-magnet wind turbines and vehicles, and magnet weight per unit of technology. Different scenarios estimate how changes in factors like the material composition of magnets, growth of the economy, and the price of a substitute could affect future consumption. Each scenario presents a different method for reducing rare earth consumption and could be interpreted as potential policy choices. In 2010, the consumption (metric tons, rare-earth-oxide equivalent) of each rare-earth-magnet metal was as follows. Total neodymium consumption in the world for both technologies was 995 tons; dysprosium consumption was 133 tons; terbium consumption was 50 tons; praseodymium consumption was zero tons. The base scenario for wind turbines shows there could be strong, exponential growth in the global wind turbine market. New U.S. sales of hybrid vehicles would decline (in line with the current economic recession) while non-U.S. sales increase through 2020. There would be an overall increase in the total amount of magnetic rare earths consumed in the world. Total consumption of each rare earth in the short-term (2015) and mid-term (2020) scenarios could be between: 1,984 to 6,475 tons (2015) and 3,487 to 13,763 tons (2020) of neodymium; 331 to 864 tons (2015) and 587 to 1,834 tons (2020) of dysprosium; 123 to 325 tons (2015) and 219 to 687 tons (2020) of terbium; finally, zero to 871 tons (2015) and zero to 1,493 tons (2020) of praseodymium. Hybrid vehicle sales in non-U.S. countries could account for a large portion of magnetic rare earth consumption. Wind turbine and related rare earth consumption growth will also be driven by non-U.S. countries, especially developing nations like China. Despite wind turbines using bigger magnets, the sheer volume of hybrids sold and non-U.S. consumers could account for most future consumption of permanent magnets and their rare earths. Advisors/Committee Members: Eggert, Roderick G. (advisor), Kaffine, Daniel (committee member), Tilton, John E. (committee member).

Subjects/Keywords: mineral economics; hybrid electric vehicles; permanent magnets; rare earths; wind turbines; Rare earth metals; Neodymium; Dysprosium; Terbium; Praseodymium; Consumption (Economics)

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APA (6^th Edition):

Hart, M. T. (2013). Evaluating United States and world consumption of neodymium, dysprosium, terbium, and praseodymium in final products. (Masters Thesis). Colorado School of Mines. Retrieved from http://hdl.handle.net/11124/77777

Chicago Manual of Style (16^th Edition):

Hart, Matthew T. “Evaluating United States and world consumption of neodymium, dysprosium, terbium, and praseodymium in final products.” 2013. Masters Thesis, Colorado School of Mines. Accessed March 06, 2021. http://hdl.handle.net/11124/77777.

MLA Handbook (7^th Edition):

Hart, Matthew T. “Evaluating United States and world consumption of neodymium, dysprosium, terbium, and praseodymium in final products.” 2013. Web. 06 Mar 2021.

Vancouver:

Hart MT. Evaluating United States and world consumption of neodymium, dysprosium, terbium, and praseodymium in final products. [Internet] [Masters thesis]. Colorado School of Mines; 2013. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/11124/77777.

Council of Science Editors:

Hart MT. Evaluating United States and world consumption of neodymium, dysprosium, terbium, and praseodymium in final products. [Masters Thesis]. Colorado School of Mines; 2013. Available from: http://hdl.handle.net/11124/77777

12. McNeely, Duane Ray. Structural and magnetic studies of selected rare earth intermetallics.

Degree: PhD, 1976, Oregon Health Sciences University

URL: doi:10.6083/M45H7D6V ; http://digitalcommons.ohsu.edu/etd/45

Subjects/Keywords: Rare earth metals; Magnetic alloys

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APA (6^th Edition):

McNeely, D. R. (1976). Structural and magnetic studies of selected rare earth intermetallics. (Doctoral Dissertation). Oregon Health Sciences University. Retrieved from doi:10.6083/M45H7D6V ; http://digitalcommons.ohsu.edu/etd/45

Chicago Manual of Style (16^th Edition):

McNeely, Duane Ray. “Structural and magnetic studies of selected rare earth intermetallics.” 1976. Doctoral Dissertation, Oregon Health Sciences University. Accessed March 06, 2021. doi:10.6083/M45H7D6V ; http://digitalcommons.ohsu.edu/etd/45.

MLA Handbook (7^th Edition):

McNeely, Duane Ray. “Structural and magnetic studies of selected rare earth intermetallics.” 1976. Web. 06 Mar 2021.

Vancouver:

McNeely DR. Structural and magnetic studies of selected rare earth intermetallics. [Internet] [Doctoral dissertation]. Oregon Health Sciences University; 1976. [cited 2021 Mar 06]. Available from: doi:10.6083/M45H7D6V ; http://digitalcommons.ohsu.edu/etd/45.

Council of Science Editors:

McNeely DR. Structural and magnetic studies of selected rare earth intermetallics. [Doctoral Dissertation]. Oregon Health Sciences University; 1976. Available from: doi:10.6083/M45H7D6V ; http://digitalcommons.ohsu.edu/etd/45

Ryerson University

13. Li, Yuntao. Mechanical properties of ZEK100 Mg alloy.

Degree: 2017, Ryerson University

URL: https://digital.library.ryerson.ca/islandora/object/RULA%3A6474

► Low rare-earth containing magnesium (Mg) alloys are considered lightweight structure materials and are wildly used in automotive and aerospace industry. Tensile and fatigue behaviors are… (more)

Subjects/Keywords: Rare earth metals.; Magnesium alloys – Mechanical properties.; Magnesium alloys – Fatigue.; Magnesium alloys – Testing.; Light metal alloys – Testing.

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APA (6^th Edition):

Li, Y. (2017). Mechanical properties of ZEK100 Mg alloy. (Thesis). Ryerson University. Retrieved from https://digital.library.ryerson.ca/islandora/object/RULA%3A6474

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Li, Yuntao. “Mechanical properties of ZEK100 Mg alloy.” 2017. Thesis, Ryerson University. Accessed March 06, 2021. https://digital.library.ryerson.ca/islandora/object/RULA%3A6474.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Li, Yuntao. “Mechanical properties of ZEK100 Mg alloy.” 2017. Web. 06 Mar 2021.

Vancouver:

Li Y. Mechanical properties of ZEK100 Mg alloy. [Internet] [Thesis]. Ryerson University; 2017. [cited 2021 Mar 06]. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A6474.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Li Y. Mechanical properties of ZEK100 Mg alloy. [Thesis]. Ryerson University; 2017. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A6474

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Ryerson University

14. Mokdad, Fatma. Deformation behavior in lightweight alloys: effects of rare-earth microalloying and carbon nanotube reinforcement.

Degree: 2017, Ryerson University

URL: https://digital.library.ryerson.ca/islandora/object/RULA%3A6465

► One of the most important strategies for improving fuel efficiency and reducing anthropogenic emissions is vehicle lightweighting by the use of lightweight materials such as… (more)

▼ One of the most important strategies for improving fuel efficiency and reducing anthropogenic emissions is vehicle lightweighting by the use of lightweight materials such as Mg and Al alloys in the automotive industry. The structural application of these alloys inevitably requires the mechanical properties and their continuous performance improvement to meet the increasingly stringent safety and durability requirements. An effective method to enhance the deformation resistance is to alloy with rare-earth (RE) elements for Mg alloys or develop composites with the addition of reinforcement for Al alloys. The objective of this dissertation was to identify the effects of RE element and carbon nanotube (CNT) reinforcement on the deformation behavior, focusing mainly on the deformation mechanisms. The deformation behavior of a RE-free extruded AZ31 Mg alloy was first studied. It was observed that the propagation of distinct twin variants led to the confinement of the spaces constrained by the fine twin lamellas. Various double twinning structures acknowledged through atomistic simulations were experimentally observed via progressive electron backscatter diffraction (EBSD) analyses during stepwise compression. The vanishing of primary {1121} embryonic twins via the nucleation and growth of either single or multiple {1012} secondary extension twins was detected, and two new ladder-like and branching-like twin-twin interaction phenomena were observed. Then a low-RE containing Mg alloy was exploited via texture and cyclic deformation studies. The addition of 0.2 wt.% Nd in ZEK100-O Mg alloy led to a weaker basal texture in comparison with AZ31 Mg alloy. Fatigue life of ZEK100 alloy was longer than that of AZ31 alloy, due to a good combination of strength with ductility. Asymmetry of hysteresis loops was improved because of texture weakening and grain refinement, however anelastic behavior largely remained arising from the presence of twinning and detwinning. The last investigation involved deformation behavior of CNT reinforced Al composites where the addition of 2.0 wt.% CNT in a 2024Al alloy led to considerable grain refinement. Deformation resistance of the composite was effectively enhanced due to CNT load transfer, Hall-Petch strengthening, thermal mismatch and Orowan looping. In a nutshell, this work constitutes a valuable benchmark for understanding the factors affecting the performance of two lightweight alloys in the automotive and aerospace applications. Advisors/Committee Members: Chen, Daolun (Degree supervisor).

Subjects/Keywords: Carbon nanotubes.; Light metal alloys – Testing.; Light metal alloys – Mechanic properties.; Rare earth metals.; Microalloying.

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APA (6^th Edition):

Mokdad, F. (2017). Deformation behavior in lightweight alloys: effects of rare-earth microalloying and carbon nanotube reinforcement. (Thesis). Ryerson University. Retrieved from https://digital.library.ryerson.ca/islandora/object/RULA%3A6465

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Mokdad, Fatma. “Deformation behavior in lightweight alloys: effects of rare-earth microalloying and carbon nanotube reinforcement.” 2017. Thesis, Ryerson University. Accessed March 06, 2021. https://digital.library.ryerson.ca/islandora/object/RULA%3A6465.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Mokdad, Fatma. “Deformation behavior in lightweight alloys: effects of rare-earth microalloying and carbon nanotube reinforcement.” 2017. Web. 06 Mar 2021.

Vancouver:

Mokdad F. Deformation behavior in lightweight alloys: effects of rare-earth microalloying and carbon nanotube reinforcement. [Internet] [Thesis]. Ryerson University; 2017. [cited 2021 Mar 06]. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A6465.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Mokdad F. Deformation behavior in lightweight alloys: effects of rare-earth microalloying and carbon nanotube reinforcement. [Thesis]. Ryerson University; 2017. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A6465

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of New South Wales

15. Mohamad Wahid, Mohd Fitri. Processing and properties of aluminium-based amorphous alloys.

Degree: Materials Science & Engineering, 2014, University of New South Wales

URL: http://handle.unsw.edu.au/1959.4/53812 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12521/SOURCE02?view=true

► Al-based amorphous alloys are an interesting class of material as they often exhibit very high specific strengths and good wear and corrosion resistance. A major… (more)

▼ Al-based amorphous alloys are an interesting class of material as they often exhibit very high specific strengths and good wear and corrosion resistance. A major recent challenge is the production of these materials free of early transition metals and rare earth elements, without degrading their glass-forming ability (GFA). In this thesis, new multi-component Al-base alloys were designed using an atomic packing efficiency model in conjunction with the knowledge of the liquidus surface of the ternary systems. Two groups of alloys were investigated: (i) solvent-lean (Al < 80 at.%) Al-Cu-Mg-based alloys containing combinations of Ag, Zn and Ni; and (ii) solvent-rich (Al > 80 at.%) Al-Ca-based alloys containing combinations of Ni, Co, Cu, Ga, Ag and In. The designed alloys were subsequently cast into copper moulds or melt spun and investigated by optical and scanning electron microscopy, differential scanning calorimetry and x-ray diffraction. Based on atomic packing efficiency calculations, Al-Cu-Mg ternary alloys with the highest GFA were those compositions associated with 13-atom clusters, and these were located either near a ternary eutectic point or on a liquidus line of the liquidus projection, that is, Al69Cu23Mg8 and Al77Cu15Mg8 alloys, as confirmed by experiment. For the Al-Ca-Ni ternary alloys, atomic packing efficiency calculations indicated that the best glass-forming alloy is Al86.8Ni7.7Ca5.6, also confirmed by experiment. However, the addition of cobalt to the Al-Ca system resulted in poor GFA. The addition of up to three extra elements to the good glass forming Al-Cu-Mg and Al-Ca-Ni systems did not enhance glass formation; this was argued to be due to changes in atomic packing efficiency and enthalpy of mixing due to the various atom-atom combinations. The thermal stability of amorphous ribbons of Al-Cu-Mg-Ni alloys was also carried out. The alloy with the highest stability against crystallization was Al71.25Cu16.15Mg7.6Ni5. The Avrami exponent computed using the Mehl-Avrami-Kolgomorov model was slightly greater than 2.5 over a range of temperatures, thereby indicating that crystallization occurs in three dimensions, and governed by an essentially constant nucleation rate and diffusion-controlled growth. The overall activation energy for crystallization was found to be higher than self-diffusion of aluminium in a crystalline lattice. Advisors/Committee Members: Ferry, Michael, Materials Science & Engineering, Faculty of Science, UNSW.

Subjects/Keywords: Aluminium-based amorphous alloys; Glass-forming ability (GFA); Early transition metals; Rare earth elements; Crystallisation; Solvent-lean (Al <; 80 at.%); Solvent-rich (Al >; 80 at.%); Atomic packing efficiency calculations; Ternary alloys; Thermal stability; Mehl-Avrami-Kolgomorov model; Constant nucleation rate; Diffusion-controlled growth

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APA (6^th Edition):

Mohamad Wahid, M. F. (2014). Processing and properties of aluminium-based amorphous alloys. (Doctoral Dissertation). University of New South Wales. Retrieved from http://handle.unsw.edu.au/1959.4/53812 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12521/SOURCE02?view=true

Chicago Manual of Style (16^th Edition):

Mohamad Wahid, Mohd Fitri. “Processing and properties of aluminium-based amorphous alloys.” 2014. Doctoral Dissertation, University of New South Wales. Accessed March 06, 2021. http://handle.unsw.edu.au/1959.4/53812 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12521/SOURCE02?view=true.

MLA Handbook (7^th Edition):

Mohamad Wahid, Mohd Fitri. “Processing and properties of aluminium-based amorphous alloys.” 2014. Web. 06 Mar 2021.

Vancouver:

Mohamad Wahid MF. Processing and properties of aluminium-based amorphous alloys. [Internet] [Doctoral dissertation]. University of New South Wales; 2014. [cited 2021 Mar 06]. Available from: http://handle.unsw.edu.au/1959.4/53812 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12521/SOURCE02?view=true.

Council of Science Editors:

Mohamad Wahid MF. Processing and properties of aluminium-based amorphous alloys. [Doctoral Dissertation]. University of New South Wales; 2014. Available from: http://handle.unsw.edu.au/1959.4/53812 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12521/SOURCE02?view=true

Univerzitet u Beogradu

16. Sekulić, Milica, 1988-, 54297609. Određivanje temperature na osnovu luminescencije prahova dopiranih jonima retkih zemalja i prelaznih metala.

Degree: Tehnološko-metalurški fakultet, 2020, Univerzitet u Beogradu

URL: https://fedorabg.bg.ac.rs/fedora/get/o:22277/bdef:Content/get

►

Tehnološko inženjerstvo - Inženjerstvo materijala / Technical engineering - Materials engineering

Osnovni cilj ove doktorske disertacije je beskontaktno određivanje temperature korišćenjem luminescentne spektroskopije. Senzori temperature… (more)

Subjects/Keywords: Luminescence; Rare earth; Transition metals; Luminescenece thermometry; Temperature

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APA (6^th Edition):

Sekulić, Milica, 1988-, 5. (2020). Određivanje temperature na osnovu luminescencije prahova dopiranih jonima retkih zemalja i prelaznih metala. (Thesis). Univerzitet u Beogradu. Retrieved from https://fedorabg.bg.ac.rs/fedora/get/o:22277/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Sekulić, Milica, 1988-, 54297609. “Određivanje temperature na osnovu luminescencije prahova dopiranih jonima retkih zemalja i prelaznih metala.” 2020. Thesis, Univerzitet u Beogradu. Accessed March 06, 2021. https://fedorabg.bg.ac.rs/fedora/get/o:22277/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Sekulić, Milica, 1988-, 54297609. “Određivanje temperature na osnovu luminescencije prahova dopiranih jonima retkih zemalja i prelaznih metala.” 2020. Web. 06 Mar 2021.

Vancouver:

Sekulić, Milica, 1988- 5. Određivanje temperature na osnovu luminescencije prahova dopiranih jonima retkih zemalja i prelaznih metala. [Internet] [Thesis]. Univerzitet u Beogradu; 2020. [cited 2021 Mar 06]. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:22277/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Sekulić, Milica, 1988- 5. Određivanje temperature na osnovu luminescencije prahova dopiranih jonima retkih zemalja i prelaznih metala. [Thesis]. Univerzitet u Beogradu; 2020. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:22277/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Michigan State University

17. Sutorik, Anthony C. Studies on the reactivity of lanthanides, actinides, and highly oxophilic transition metals in reactive molten alkali metal/polychalcogenide salts at intermediate temperatures (250-600°C).

Degree: PhD, Department of Chemistry, 1994, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:47038

Subjects/Keywords: Rare earth metals; Transition metals; Chalcogenides

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APA (6^th Edition):

Sutorik, A. C. (1994). Studies on the reactivity of lanthanides, actinides, and highly oxophilic transition metals in reactive molten alkali metal/polychalcogenide salts at intermediate temperatures (250-600°C). (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:47038

Chicago Manual of Style (16^th Edition):

Sutorik, Anthony C. “Studies on the reactivity of lanthanides, actinides, and highly oxophilic transition metals in reactive molten alkali metal/polychalcogenide salts at intermediate temperatures (250-600°C).” 1994. Doctoral Dissertation, Michigan State University. Accessed March 06, 2021. http://etd.lib.msu.edu/islandora/object/etd:47038.

MLA Handbook (7^th Edition):

Sutorik, Anthony C. “Studies on the reactivity of lanthanides, actinides, and highly oxophilic transition metals in reactive molten alkali metal/polychalcogenide salts at intermediate temperatures (250-600°C).” 1994. Web. 06 Mar 2021.

Vancouver:

Sutorik AC. Studies on the reactivity of lanthanides, actinides, and highly oxophilic transition metals in reactive molten alkali metal/polychalcogenide salts at intermediate temperatures (250-600°C). [Internet] [Doctoral dissertation]. Michigan State University; 1994. [cited 2021 Mar 06]. Available from: http://etd.lib.msu.edu/islandora/object/etd:47038.

Council of Science Editors:

Sutorik AC. Studies on the reactivity of lanthanides, actinides, and highly oxophilic transition metals in reactive molten alkali metal/polychalcogenide salts at intermediate temperatures (250-600°C). [Doctoral Dissertation]. Michigan State University; 1994. Available from: http://etd.lib.msu.edu/islandora/object/etd:47038

Colorado School of Mines

18. Jarvis, John C. Distribution of the rare earth elements in the Leadville limestone (Mississipian, Colorado) and its hydrothermal and metamorphic derivatives, The.

Degree: MS(M.S.), Chemistry, 1972, Colorado School of Mines

URL: http://hdl.handle.net/11124/175737

Subjects/Keywords: Rare earth metals – Colorado; Rare earths – Colorado; Limestone – Colorado; Geology, Stratigraphic – Mississippian

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APA (6^th Edition):

Jarvis, J. C. (1972). Distribution of the rare earth elements in the Leadville limestone (Mississipian, Colorado) and its hydrothermal and metamorphic derivatives, The. (Masters Thesis). Colorado School of Mines. Retrieved from http://hdl.handle.net/11124/175737

Chicago Manual of Style (16^th Edition):

Jarvis, John C. “Distribution of the rare earth elements in the Leadville limestone (Mississipian, Colorado) and its hydrothermal and metamorphic derivatives, The.” 1972. Masters Thesis, Colorado School of Mines. Accessed March 06, 2021. http://hdl.handle.net/11124/175737.

MLA Handbook (7^th Edition):

Jarvis, John C. “Distribution of the rare earth elements in the Leadville limestone (Mississipian, Colorado) and its hydrothermal and metamorphic derivatives, The.” 1972. Web. 06 Mar 2021.

Vancouver:

Jarvis JC. Distribution of the rare earth elements in the Leadville limestone (Mississipian, Colorado) and its hydrothermal and metamorphic derivatives, The. [Internet] [Masters thesis]. Colorado School of Mines; 1972. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/11124/175737.

Council of Science Editors:

Jarvis JC. Distribution of the rare earth elements in the Leadville limestone (Mississipian, Colorado) and its hydrothermal and metamorphic derivatives, The. [Masters Thesis]. Colorado School of Mines; 1972. Available from: http://hdl.handle.net/11124/175737

Université de Lorraine

19. Dehaine, Quentin. Récupération des Terres Rares (La, Ce, Nd) et métaux rares (Sn, Nb, W) à partir de résidus micacés issus de la production de kaolin : Rare Earths (La, Ce, Nd) and rare metals (Sn, Nb, W) recovery from micaceous waste of china clay production.

Degree: Docteur es, Géosciences, 2016, Université de Lorraine

URL: http://www.theses.fr/2016LORR0019

►

Les granites à métaux rares ont une faible valeur économique mais sont souvent exploités pour leurs minéraux industriels. L’objectif de ce travail est d’évaluer la… (more)

Subjects/Keywords: Terres Rares; Métaux rares; Résidu de kaolin; Concentration gravimétrique; Séparateur centrifuge; Flottation; Light Rare earths; Rare metals; Kaolin residue; Gravity concentration; Centrifugal separation; Flotation; 622.7; 660.284 2

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APA (6^th Edition):

Dehaine, Q. (2016). Récupération des Terres Rares (La, Ce, Nd) et métaux rares (Sn, Nb, W) à partir de résidus micacés issus de la production de kaolin : Rare Earths (La, Ce, Nd) and rare metals (Sn, Nb, W) recovery from micaceous waste of china clay production. (Doctoral Dissertation). Université de Lorraine. Retrieved from http://www.theses.fr/2016LORR0019

Chicago Manual of Style (16^th Edition):

Dehaine, Quentin. “Récupération des Terres Rares (La, Ce, Nd) et métaux rares (Sn, Nb, W) à partir de résidus micacés issus de la production de kaolin : Rare Earths (La, Ce, Nd) and rare metals (Sn, Nb, W) recovery from micaceous waste of china clay production.” 2016. Doctoral Dissertation, Université de Lorraine. Accessed March 06, 2021. http://www.theses.fr/2016LORR0019.

MLA Handbook (7^th Edition):

Dehaine, Quentin. “Récupération des Terres Rares (La, Ce, Nd) et métaux rares (Sn, Nb, W) à partir de résidus micacés issus de la production de kaolin : Rare Earths (La, Ce, Nd) and rare metals (Sn, Nb, W) recovery from micaceous waste of china clay production.” 2016. Web. 06 Mar 2021.

Vancouver:

Dehaine Q. Récupération des Terres Rares (La, Ce, Nd) et métaux rares (Sn, Nb, W) à partir de résidus micacés issus de la production de kaolin : Rare Earths (La, Ce, Nd) and rare metals (Sn, Nb, W) recovery from micaceous waste of china clay production. [Internet] [Doctoral dissertation]. Université de Lorraine; 2016. [cited 2021 Mar 06]. Available from: http://www.theses.fr/2016LORR0019.

Council of Science Editors:

Dehaine Q. Récupération des Terres Rares (La, Ce, Nd) et métaux rares (Sn, Nb, W) à partir de résidus micacés issus de la production de kaolin : Rare Earths (La, Ce, Nd) and rare metals (Sn, Nb, W) recovery from micaceous waste of china clay production. [Doctoral Dissertation]. Université de Lorraine; 2016. Available from: http://www.theses.fr/2016LORR0019

University of Central Florida

20. Gangopadhyay, Shruba. Density Functional Theory Study Of Molecules And Crystals Containing D And F Metals.

Degree: 2011, University of Central Florida

URL: https://stars.library.ucf.edu/etd/2037

► Density Functional Theory (DFT) method is applied to study the crystal structure of transition metal and lanthanide oxides, as well as molecular magnetic complexes. DFT… (more)

▼ Density Functional Theory (DFT) method is applied to study the crystal structure of transition metal and lanthanide oxides, as well as molecular magnetic complexes. DFT is a widely popular computational approach because it recasts a many-body problem of interacting electrons into an equivalent problem of non-interacting electrons, greatly reducing computational cost. We show that for certain structural properties like phase stability, lattice parameter and oxygen migration energetics pure DFT can give good agreement with experiments. But moving to more sensitive properties like spin state energetic certain modifications of standard DFT are needed. First we investigated mixed ionic-electronic conducting perovskite type oxides with a general formula ABO3 (where A =Ba, Sr, Ca and B = Co, Fe, Mn). These oxides often have high mobility of the oxygen vacancies and exhibit strong ionic conductivity. They are key materials that find use in several energy related applications, including solid oxide fuel cell (SOFC), sensors, oxygen separation membranes, and catalysts. Different cations and oxygen vacancies ordering are examined using plane wave pseudopotential density functional theory. We find that cations are completely disordered, whereas oxygen vacancies exhibit a strong trend for aggregation in L-shaped trimer and square tetramer structure. On the basis of our results, we suggest a new explanation for BSCF phase stability. Instead of linear vacancy ordering, which must take place before the phase transition into brownmillerite structure, the oxygen vacancies in BSCF prefer to form the finite clusters and preserve the disordered cubic structure. This structural feature could be found only in the first-principles simulations and cannot be explained by the effect of the ionic radii alone. In order to understand vacancy clustering and phase iv stability in oxygen-deficient barium strontium cobalt iron oxide (BSCF), we predict stability and activation energies for oxygen vacancy migration. Using symmetry constrained search and Nudged Elastic Band method, we characterize the transition states for an oxygen anion moving into a nearby oxygen vacancy site that is surrounded by different cations and find the activation energies to vary in the range 30-50 kJ/mol in good agreement with experimental data. Next we study spin alignments of single molecule magnets (SMM). SMMs are a class of polynuclear transition metal complexes, which characterized by a large spin ground state and considerable negative anisotropy. These properties lead to a barrier for the reversal of magnetization. For these reasons SMM are expected to be promising materials for molecular spintronics and quantum computing applications. To design SMM for quantum computation, we need to accurately predict their magnetic properties. The most important property is, Heisenberg exchange coupling constant (J). This constant appears in model Heisenberg Hamiltonian that can be written in general form as here Jij represents the coupling between the two magnetic centers i and j… Advisors/Committee Members: Masunov, Artem E..

Subjects/Keywords: Density functionals; Organometallic compounds; Oxides; Rare earth metals; Transition metals; Chemistry; Dissertations, Academic – Sciences, Sciences – Dissertations, Academic

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APA (6^th Edition):

Gangopadhyay, S. (2011). Density Functional Theory Study Of Molecules And Crystals Containing D And F Metals. (Doctoral Dissertation). University of Central Florida. Retrieved from https://stars.library.ucf.edu/etd/2037

Chicago Manual of Style (16^th Edition):

Gangopadhyay, Shruba. “Density Functional Theory Study Of Molecules And Crystals Containing D And F Metals.” 2011. Doctoral Dissertation, University of Central Florida. Accessed March 06, 2021. https://stars.library.ucf.edu/etd/2037.

MLA Handbook (7^th Edition):

Gangopadhyay, Shruba. “Density Functional Theory Study Of Molecules And Crystals Containing D And F Metals.” 2011. Web. 06 Mar 2021.

Vancouver:

Gangopadhyay S. Density Functional Theory Study Of Molecules And Crystals Containing D And F Metals. [Internet] [Doctoral dissertation]. University of Central Florida; 2011. [cited 2021 Mar 06]. Available from: https://stars.library.ucf.edu/etd/2037.

Council of Science Editors:

Gangopadhyay S. Density Functional Theory Study Of Molecules And Crystals Containing D And F Metals. [Doctoral Dissertation]. University of Central Florida; 2011. Available from: https://stars.library.ucf.edu/etd/2037

Nelson Mandela Metropolitan University

21. Coetzee, Louis-Charl Cloete. A study of lanthanide complexes with di-2-pyridyl ligands.

Degree: Faculty of Science, 2016, Nelson Mandela Metropolitan University

URL: http://hdl.handle.net/10948/4731

► The ligands di(2-pyridyl) ketone (DPK) and cis-1,2 di(2-pyridyl) ethylene (DPE) are N,N,Odonor ligands that can undergo nucleophilic addition and become more flexible for coordination. The… (more)

▼ The ligands di(2-pyridyl) ketone (DPK) and cis-1,2 di(2-pyridyl) ethylene (DPE) are N,N,Odonor ligands that can undergo nucleophilic addition and become more flexible for coordination. The reaction between the lanthanide thiocyanate salt and DPK gave rise to seven novel complexes of the general formula [Ln(NCS)3(DPKOH)3], where Ln = La, Ce, Nd, Eu, Tb, Dy and Ho. 1H NMR spectroscopy verified that the ligand underwent nucleophilic addition upon coordination. This was further confirmed using UV-Vis spectroscopy which showed a shift in the absorption bands due to conjugation of electrons within the pyridyl ring upon coordination. UV-Vis spectroscopy was also utilised to test the covalent character of the neodymium and holmium complexes. X-ray diffraction and IR spectroscopy showed that three DPK ligands coordinated bidentately through a pyridinic nitrogen and a hydroxyl oxygen, while three isothiocyanato molecules completed the coordination environment around each metal. Furthermore, X-ray diffraction also revealed that these complexes are isostructural, ninecoordinate and the polyhedron which encloses each ion is of trigonal tricapped prismatic shape with D3h symmetry. Micro-analysis on all the complexes, except lanthanum and holmium confirmed the molecular formulae produced from the crystallographic data of each complex. The reaction between the lanthanide thiocyanate salt and DPE produced poor quality crystals which could not be detected by X-ray diffraction. The lanthanide salts used for this reaction were lanthanum, neodymium, europium, dysprosium and holmium. Upon coordination, conductivity measurements detected the presence of lanthanide ions in each solution. 1H NMR and IR spectroscopic studies showed that the ethylenic moiety of DPE underwent nucleophilic addition upon coordination. UV-Vis spectroscopy further confirmed nucleophilic addition upon coordination due to shifts in absorption bands. IR spectroscopy verified the possibility of a bidentate coordination to each metal through a pyridinic nitrogen and a hydroxyl oxygen as well as a monodentate coordination through isothiocyanato ligands. A micro-analysis on all the complexes provided the molecular formulae that can best fit each complex. The effect of the solvent molecules on the bonding parameters of the lanthanum complex was investigated. An analysis of the results produced from crystallographic data revealed the presence of intermolecular forces which interacted and stabilised the complex.

Subjects/Keywords: Rare earth metals

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APA (6^th Edition):

Coetzee, L. C. (2016). A study of lanthanide complexes with di-2-pyridyl ligands. (Thesis). Nelson Mandela Metropolitan University. Retrieved from http://hdl.handle.net/10948/4731

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Coetzee, Louis-Charl Cloete. “A study of lanthanide complexes with di-2-pyridyl ligands.” 2016. Thesis, Nelson Mandela Metropolitan University. Accessed March 06, 2021. http://hdl.handle.net/10948/4731.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Coetzee, Louis-Charl Cloete. “A study of lanthanide complexes with di-2-pyridyl ligands.” 2016. Web. 06 Mar 2021.

Vancouver:

Coetzee LC. A study of lanthanide complexes with di-2-pyridyl ligands. [Internet] [Thesis]. Nelson Mandela Metropolitan University; 2016. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/10948/4731.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Coetzee LC. A study of lanthanide complexes with di-2-pyridyl ligands. [Thesis]. Nelson Mandela Metropolitan University; 2016. Available from: http://hdl.handle.net/10948/4731

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Nelson Mandela Metropolitan University

22. Madanhire, Tatenda. Synthesis and characterisation of lanthanide complexes with nitrogen- and oxygen-donor ligands.

Degree: Faculty of Science, 2016, Nelson Mandela Metropolitan University

URL: http://hdl.handle.net/10948/13127

► The reactions of Ln(NO3)3∙6H2O (Ln = Pr, Nd or Er) with the potentially tridentate O,N,O chelating ligand 2,6-pyridinedimethanol (H2pydm) were investigated, and complexes with the… (more)

▼ The reactions of Ln(NO3)3∙6H2O (Ln = Pr, Nd or Er) with the potentially tridentate O,N,O chelating ligand 2,6-pyridinedimethanol (H2pydm) were investigated, and complexes with the formula, [Ln(H2pydm)2(NO3)2](NO3) (Ln = Pr or Nd) and [Er(H2pydm)3](NO3)3 were isolated. The ten-coordinate Pr(III) and Nd(III) compounds crystallise in the triclinic space group P-1 while the nine-coordinate Er(III) complex crystallises in the monoclinic system (P21/n). The reaction of PrCl3∙6H2O with H2pydm yielded the compound, [Pr(H2pydm)3](Cl)3, that crystallises in the monoclinic system, space group P21/c with α = 90, β = 98.680(1) and γ = 90°. The nine-coordinate Pr(III) ion is bound to three H2pydm ligands, with bond distances Pr-O 2.455(2)-2.478(2) Å and Pr-N 2.6355(19)-2.64(2) Å. X-ray crystal structures of all the H2pydm complexes reveal that the ligand coordinates tridentately, via the pyridyl nitrogen atom and the two hydroxyl oxygen atoms. The electronic absorption spectra of complexes show 4f-4f transitions. Rare-earth complexes, [Ln(H2L1)2(NO3)3] [Ln = Gd, Ho or Nd], were also prepared from a Schiff base. The X-ray single-crystal diffraction studies and SHAPE analyses of the Gd(III) and Ho(III) complexes shows that the complexes are ten-coordinate and exhibit distorted tetradecahedron geometries. With proton migration occurring from the phenol group to the imine function, complexation of the lanthanides to the ligand gives the ligand a zwitterionic phenoxo-iminium form. A phenolate oxygen-bridged dinuclear complex, [Ce2(H2L1)(ovan)3(NO3)3], has been obtained by reacting Ce(NO3)3∙6H2O with an o-vanillin derived Schiff base ligand, 2-((E)-(1-hydroxy-2-methylpropan-2-ylimino)methyl)-6-methoxyphenol (H2L1). Hydrolysis of the Schiff base occurred to yield o-vanillin, which bridged two cerium atoms with the Ce∙∙∙Ce distance equal to 3.823 Å. The Ce(III) ions are both tencoordinate, but have different coordination environments, showing tetradecahedron and staggered dodecahedron geometries, respectively. The reaction of salicylaldehyde-N(4)-diethylthiosemicarbazone (H2L2) in the presence of hydrated Ln(III) nitrates led to the isolation of two novel compounds: (E)-2[(ortho-hydroxy)benzylidene]-2-(thiomethyl)-thionohydrazide (1) and bis[2,3-diaza4-(2-hydroxyphenyl)-1-thiomethyl-buta-1,3-diene]disulfide. The latter is a dimer of the former. For this asymmetric Schiff base, 1 and the symmetric disulfide, classical hydrogen bonds of the O–H∙∙∙N as well as N–H∙∙∙S (for 1) type are apparent next to C–H∙∙∙O contacts. 4-(4-Bromophenyl)-1-(propan-2-ylidene)thiosemicarbazide was also prepared upon reacting 4-(4-bromophenyl)-3-thiosemicarbazide with acetone in the presence of ethanol and La(NO3)3∙6H2O. The C=S bond length was found to be 1.6686(16) Å which is in good agreement with other thioketones whose metrical parameters have been deposited with the Cambridge Structural Database. Classical hydrogen bonds of the N–H∙∙∙N and the N–H∙∙∙Br type are observed next to C–H∙∙∙S contacts. All synthesised compounds were characterised by…

Subjects/Keywords: Rare earth metals

Record Details Similar Records Cite « Share

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APA (6^th Edition):

Madanhire, T. (2016). Synthesis and characterisation of lanthanide complexes with nitrogen- and oxygen-donor ligands. (Thesis). Nelson Mandela Metropolitan University. Retrieved from http://hdl.handle.net/10948/13127

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Madanhire, Tatenda. “Synthesis and characterisation of lanthanide complexes with nitrogen- and oxygen-donor ligands.” 2016. Thesis, Nelson Mandela Metropolitan University. Accessed March 06, 2021. http://hdl.handle.net/10948/13127.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Madanhire, Tatenda. “Synthesis and characterisation of lanthanide complexes with nitrogen- and oxygen-donor ligands.” 2016. Web. 06 Mar 2021.

Vancouver:

Madanhire T. Synthesis and characterisation of lanthanide complexes with nitrogen- and oxygen-donor ligands. [Internet] [Thesis]. Nelson Mandela Metropolitan University; 2016. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/10948/13127.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Madanhire T. Synthesis and characterisation of lanthanide complexes with nitrogen- and oxygen-donor ligands. [Thesis]. Nelson Mandela Metropolitan University; 2016. Available from: http://hdl.handle.net/10948/13127

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Iowa State University

23. Hanak, Joseph John. High temperature allotropy of the rare-earth elements.

Degree: 1959, Iowa State University

URL: https://lib.dr.iastate.edu/rtd/2200

Subjects/Keywords: Allotropy; Rare earths; Metals – Effect of high temperatures on; Physical Chemistry

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Hanak, J. J. (1959). High temperature allotropy of the rare-earth elements. (Thesis). Iowa State University. Retrieved from https://lib.dr.iastate.edu/rtd/2200

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hanak, Joseph John. “High temperature allotropy of the rare-earth elements.” 1959. Thesis, Iowa State University. Accessed March 06, 2021. https://lib.dr.iastate.edu/rtd/2200.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hanak, Joseph John. “High temperature allotropy of the rare-earth elements.” 1959. Web. 06 Mar 2021.

Vancouver:

Hanak JJ. High temperature allotropy of the rare-earth elements. [Internet] [Thesis]. Iowa State University; 1959. [cited 2021 Mar 06]. Available from: https://lib.dr.iastate.edu/rtd/2200.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hanak JJ. High temperature allotropy of the rare-earth elements. [Thesis]. Iowa State University; 1959. Available from: https://lib.dr.iastate.edu/rtd/2200

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Iowa State University

24. Banister, John R. Structure of the rare earth metals at low temperatures.

Degree: 1953, Iowa State University

URL: https://lib.dr.iastate.edu/rtd/12925

Subjects/Keywords: Rare earths; Metals – Effect of low temperatures on; Atomic, Molecular and Optical Physics

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Banister, J. R. (1953). Structure of the rare earth metals at low temperatures. (Thesis). Iowa State University. Retrieved from https://lib.dr.iastate.edu/rtd/12925

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Banister, John R. “Structure of the rare earth metals at low temperatures.” 1953. Thesis, Iowa State University. Accessed March 06, 2021. https://lib.dr.iastate.edu/rtd/12925.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Banister, John R. “Structure of the rare earth metals at low temperatures.” 1953. Web. 06 Mar 2021.

Vancouver:

Banister JR. Structure of the rare earth metals at low temperatures. [Internet] [Thesis]. Iowa State University; 1953. [cited 2021 Mar 06]. Available from: https://lib.dr.iastate.edu/rtd/12925.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Banister JR. Structure of the rare earth metals at low temperatures. [Thesis]. Iowa State University; 1953. Available from: https://lib.dr.iastate.edu/rtd/12925

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Iowa State University

25. Barson, Fred. Thermal expansion of rare earth metals.

Degree: 1956, Iowa State University

URL: https://lib.dr.iastate.edu/rtd/12926

Subjects/Keywords: Rare earths; Metals – Effect of high temperatures on; Atomic, Molecular and Optical Physics

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Barson, F. (1956). Thermal expansion of rare earth metals. (Thesis). Iowa State University. Retrieved from https://lib.dr.iastate.edu/rtd/12926

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Barson, Fred. “Thermal expansion of rare earth metals.” 1956. Thesis, Iowa State University. Accessed March 06, 2021. https://lib.dr.iastate.edu/rtd/12926.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Barson, Fred. “Thermal expansion of rare earth metals.” 1956. Web. 06 Mar 2021.

Vancouver:

Barson F. Thermal expansion of rare earth metals. [Internet] [Thesis]. Iowa State University; 1956. [cited 2021 Mar 06]. Available from: https://lib.dr.iastate.edu/rtd/12926.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Barson F. Thermal expansion of rare earth metals. [Thesis]. Iowa State University; 1956. Available from: https://lib.dr.iastate.edu/rtd/12926

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

New Jersey Institute of Technology

26. Chan, Kenneth Yeon-Kang. Analysis of the optimum extraction system design for the separation and purification of rare earths.

Degree: PhD, Chemical Engineering, Chemistry and Environmental Science, 1993, New Jersey Institute of Technology

URL: https://digitalcommons.njit.edu/dissertations/1171

► A mathematical model for the liquid-liquid equilibrium of the lanthanide and yttrium oxides in the nitric acid - water - tributyl phosphate (HNO₃-H₂O-TBP) two-phase… (more)

Subjects/Keywords: Yttrium earths.; Solvent extraction.; Rare earth metals.; Liquid-liquid equilibrium.; Chemical Engineering

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APA (6^th Edition):

Chan, K. Y. (1993). Analysis of the optimum extraction system design for the separation and purification of rare earths. (Doctoral Dissertation). New Jersey Institute of Technology. Retrieved from https://digitalcommons.njit.edu/dissertations/1171

Chicago Manual of Style (16^th Edition):

Chan, Kenneth Yeon-Kang. “Analysis of the optimum extraction system design for the separation and purification of rare earths.” 1993. Doctoral Dissertation, New Jersey Institute of Technology. Accessed March 06, 2021. https://digitalcommons.njit.edu/dissertations/1171.

MLA Handbook (7^th Edition):

Chan, Kenneth Yeon-Kang. “Analysis of the optimum extraction system design for the separation and purification of rare earths.” 1993. Web. 06 Mar 2021.

Vancouver:

Chan KY. Analysis of the optimum extraction system design for the separation and purification of rare earths. [Internet] [Doctoral dissertation]. New Jersey Institute of Technology; 1993. [cited 2021 Mar 06]. Available from: https://digitalcommons.njit.edu/dissertations/1171.

Council of Science Editors:

Chan KY. Analysis of the optimum extraction system design for the separation and purification of rare earths. [Doctoral Dissertation]. New Jersey Institute of Technology; 1993. Available from: https://digitalcommons.njit.edu/dissertations/1171

27. Fizaine, Florian. Analyses de la disponibilité économique des métaux rares dans le cadre de la transition énergétique : Study of economic availability related to rare metals in the context of the energy transition.

Degree: Docteur es, Sciences économiques, 2014, Université de Bourgogne

URL: http://www.theses.fr/2014DIJOE004

►

Un nombre croissant d’études académiques et de rapports d’organismes internationaux relèvent une dépendance accrue des nouvelles technologies de l’énergie vis-à-vis d’une catégorie de ressources souvent… (more)

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Un nombre croissant d’études académiques et de rapports d’organismes internationaux relèvent une dépendance accrue des nouvelles technologies de l’énergie vis-à-vis d’une catégorie de ressources souvent prénommés métaux rares. Parallèlement, il se forme depuis plusieurs années des inquiétudes sur la disponibilité économique de ces métaux pour opérer la transition énergétique nécessaire à la lutte contre le réchauffement climatique. Cette thèse a donc pour objectif de souligner l’ensemble des contraintes et des risques qu’implique l’usage fréquent et généralisé de ces métaux dans les nouvelles technologies de l’énergie. Une première partie de la thèse est consacrée aux indicateurs et aux théories reliées à la disponibilité économique de long terme d’une ressource non renouvelable tout en faisant apparaitre un ensemble de traits communs partagés par les métaux rares. La seconde partie de cette thèse démontre les risques attachés à une absence d’élasticité prix de l’offre de métaux rares du fait d’une contrainte de sous-produit. Elle offre également une analyse approfondie des causes et des conséquences relatives à l’absence de marché à terme pour la quasi-totalité de ces métaux rares. Enfin, son dernier chapitre propose d’explorer la liaison très forte existant entre le secteur de l’énergie et le secteur des métaux. Il y est démontré que cette connexion s’accentue et qu’elle implique la possibilité d’un cercle vicieux entre des énergies toujours moins concentrées (avec un contenu en métaux grandissant) et des métaux qui consomment toujours plus d’énergie sous l’effet de leur épuisement.

A growing number of academic studies and international organizations reports have noticed an increasing dependency of new energy technologies on a specific class of natural resources often called minor metals. For several years, worries about economic availability of these metals in order to realize the energy transition have appeared. This thesis aims at underline the broader risks and constraints involved by general use of these metals in new energy technologies. A first part of this thesis is devoted to theories and indicators related to the depletion of non renewable resources. This part also shows that minor metals share many characteristics and that they can form a group of metal consistent. In a second part, this thesis addresses the issues linked to the absence of price elasticity for the supply of minor metals due to the byproduct constraint. Another chapter offers an analysis of causes and consequences connected to the absence of futures markets for almost all minor metals. Finally, a last chapter highlights the strong link existing between the energy sector and the metals sectors. This connection is increasing and can create a vicious circle between energies which are less and less concentrated and metals which consume more and more energy due to their depletion.

Advisors/Committee Members: Baumont, Catherine (thesis director), Lantz, Frédéric (thesis director).

Subjects/Keywords: Métaux mineurs; Métaux rares; Épuisement; Énergie renouvelable; Sous produit; Transition énergétique; Rare metals; Minor metals; Exhaustion; Renewable energy; Byproduct; Energy transition; 333

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APA (6^th Edition):

Fizaine, F. (2014). Analyses de la disponibilité économique des métaux rares dans le cadre de la transition énergétique : Study of economic availability related to rare metals in the context of the energy transition. (Doctoral Dissertation). Université de Bourgogne. Retrieved from http://www.theses.fr/2014DIJOE004

Chicago Manual of Style (16^th Edition):

Fizaine, Florian. “Analyses de la disponibilité économique des métaux rares dans le cadre de la transition énergétique : Study of economic availability related to rare metals in the context of the energy transition.” 2014. Doctoral Dissertation, Université de Bourgogne. Accessed March 06, 2021. http://www.theses.fr/2014DIJOE004.

MLA Handbook (7^th Edition):

Fizaine, Florian. “Analyses de la disponibilité économique des métaux rares dans le cadre de la transition énergétique : Study of economic availability related to rare metals in the context of the energy transition.” 2014. Web. 06 Mar 2021.

Vancouver:

Fizaine F. Analyses de la disponibilité économique des métaux rares dans le cadre de la transition énergétique : Study of economic availability related to rare metals in the context of the energy transition. [Internet] [Doctoral dissertation]. Université de Bourgogne; 2014. [cited 2021 Mar 06]. Available from: http://www.theses.fr/2014DIJOE004.

Council of Science Editors:

Fizaine F. Analyses de la disponibilité économique des métaux rares dans le cadre de la transition énergétique : Study of economic availability related to rare metals in the context of the energy transition. [Doctoral Dissertation]. Université de Bourgogne; 2014. Available from: http://www.theses.fr/2014DIJOE004

University of North Texas

28. Peterson, Charles Campbell. Accurate Energetics Across the Periodic Table Via Quantum Chemistry.

Degree: 2015, University of North Texas

URL: https://digital.library.unt.edu/ark:/67531/metadc822822/

► Greater understanding and accurate predictions of structural, thermochemical, and spectroscopic properties of chemical compounds is critical for the advancements of not only basic science, but… (more)

Subjects/Keywords: computational quantum composite; chemical compounds; heavy element systems; Rare earth metal compounds.; Transition metals.; Quantum chemistry.

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APA (6^th Edition):

Peterson, C. C. (2015). Accurate Energetics Across the Periodic Table Via Quantum Chemistry. (Thesis). University of North Texas. Retrieved from https://digital.library.unt.edu/ark:/67531/metadc822822/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Peterson, Charles Campbell. “Accurate Energetics Across the Periodic Table Via Quantum Chemistry.” 2015. Thesis, University of North Texas. Accessed March 06, 2021. https://digital.library.unt.edu/ark:/67531/metadc822822/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Peterson, Charles Campbell. “Accurate Energetics Across the Periodic Table Via Quantum Chemistry.” 2015. Web. 06 Mar 2021.

Vancouver:

Peterson CC. Accurate Energetics Across the Periodic Table Via Quantum Chemistry. [Internet] [Thesis]. University of North Texas; 2015. [cited 2021 Mar 06]. Available from: https://digital.library.unt.edu/ark:/67531/metadc822822/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Peterson CC. Accurate Energetics Across the Periodic Table Via Quantum Chemistry. [Thesis]. University of North Texas; 2015. Available from: https://digital.library.unt.edu/ark:/67531/metadc822822/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

29. Yang, Jon. Unraveling the Diagenetic Cycling and Sequestration of Rare Earth Elements (REEs) in Marine Sediments to Understand REE Accumulation in Ancient Shales.

Degree: PhD, Ocean, Earth, and Atmospheric Science, 2017, Oregon State University

URL: http://hdl.handle.net/1957/60632

► The rare earth elements (REEs) have been established as powerful tracers for a range of physiochemical processes occurring in the natural environment. They also hold… (more)

▼ The rare earth elements (REEs) have been established as powerful tracers for a range of physiochemical processes occurring in the natural environment. They also hold significant economic importance as many technological advancements are reliant upon the REEs for their unique magnetic, luminescent, and electrochemical characteristics. In sedimentary settings, understanding the cycling of the REEs is necessary to fully evaluate the application of the REEs as geochemical tracers and to understand the individual factors that may influence the magnitude and signature of REE accumulations. The association of the REEs with the major element cycles of iron (Fe) and phosphorus (P) have been extensively studied in modern sedimentary environments, but there remain uncertainties on the long-term accumulation and signature of the REEs. In particular, our knowledge of how the preserved record of the REEs in ancient marine black shales is derived from the cycling of REEs observed within modern sediments remains unclear. For these marine black shales, this gap in our knowledge has important ramifications for the potential use of the REEs as geochemical tracers of processes such as groundwater flow or hydraulic fracturing activity as well as the potential sourcing of REEs for economic extraction. In this dissertation, I attempt to refine our understanding of REE accumulation in ancient black shales, and how the original signals of the diagenetic cycling of REEs may be preserved, by using sequential extraction techniques to isolate individual reactive components in the sediments. Based on documented associations of the REEs and authigenic phosphate minerals in sedimentary systems, I first investigated the preserved record of P in two ancient black shales to unravel the environmental parameters that lead to the sequestration of P as carbonate fluorapatite (CFA) (Chapter 2). This authigenic mineral form is considered the main sink term of reactive P from the marine system, and the preserved record of CFA and other components of the P system may help understand the cycling of P during the deposition of these ancient black shales. Using the preserved signals of P cycling in the individual components of the P system of the ancient black shales, I estimated paleo-benthic P fluxes to evaluate how the sedimentary cycling of P may have impacted the nutrient delivery to the depositional basin. During the deposition of the Marcellus black shale formation in the Devonian Appalachian Basin, I estimated paleo-benthic inputs of P from the depositional area of the formation that were within the ranges of P delivered from large river systems such as the pre-anthropogenic Mississippi and Mackenzie rivers. These estimates suggest that a return flux of P from the sediments could have been a significant source of nutrients to the basin and provide support for a positive feedback mechanism suggested for epeiric, anoxic basins where a benthic flux of P could help stimulate primary productivity in the surface, leading to a greater drawdown of oxygen in… Advisors/Committee Members: Torres, Marta E. (advisor), Haley, Brian (committee member).

Subjects/Keywords: Rare Earth Elements; Rare earth metals

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Yang, J. (2017). Unraveling the Diagenetic Cycling and Sequestration of Rare Earth Elements (REEs) in Marine Sediments to Understand REE Accumulation in Ancient Shales. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/60632

Chicago Manual of Style (16^th Edition):

Yang, Jon. “Unraveling the Diagenetic Cycling and Sequestration of Rare Earth Elements (REEs) in Marine Sediments to Understand REE Accumulation in Ancient Shales.” 2017. Doctoral Dissertation, Oregon State University. Accessed March 06, 2021. http://hdl.handle.net/1957/60632.

MLA Handbook (7^th Edition):

Yang, Jon. “Unraveling the Diagenetic Cycling and Sequestration of Rare Earth Elements (REEs) in Marine Sediments to Understand REE Accumulation in Ancient Shales.” 2017. Web. 06 Mar 2021.

Vancouver:

Yang J. Unraveling the Diagenetic Cycling and Sequestration of Rare Earth Elements (REEs) in Marine Sediments to Understand REE Accumulation in Ancient Shales. [Internet] [Doctoral dissertation]. Oregon State University; 2017. [cited 2021 Mar 06]. Available from: http://hdl.handle.net/1957/60632.

Council of Science Editors:

Yang J. Unraveling the Diagenetic Cycling and Sequestration of Rare Earth Elements (REEs) in Marine Sediments to Understand REE Accumulation in Ancient Shales. [Doctoral Dissertation]. Oregon State University; 2017. Available from: http://hdl.handle.net/1957/60632

Michigan State University

30. Pruett, David J. Synthesis and chemical studies of some lanthanide cryptates.

Degree: PhD, Department of Chemistry, 1978, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:42408

Subjects/Keywords: Rare earth metal compounds; Rare earth metals; Ligands; Transition metal compounds

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Pruett, D. J. (1978). Synthesis and chemical studies of some lanthanide cryptates. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:42408

Chicago Manual of Style (16^th Edition):

Pruett, David J. “Synthesis and chemical studies of some lanthanide cryptates.” 1978. Doctoral Dissertation, Michigan State University. Accessed March 06, 2021. http://etd.lib.msu.edu/islandora/object/etd:42408.

MLA Handbook (7^th Edition):

Pruett, David J. “Synthesis and chemical studies of some lanthanide cryptates.” 1978. Web. 06 Mar 2021.

Vancouver:

Pruett DJ. Synthesis and chemical studies of some lanthanide cryptates. [Internet] [Doctoral dissertation]. Michigan State University; 1978. [cited 2021 Mar 06]. Available from: http://etd.lib.msu.edu/islandora/object/etd:42408.

Council of Science Editors:

Pruett DJ. Synthesis and chemical studies of some lanthanide cryptates. [Doctoral Dissertation]. Michigan State University; 1978. Available from: http://etd.lib.msu.edu/islandora/object/etd:42408

Open Access Theses and Dissertations