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University of Akron

1. Parsa, Nitin. MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS.

Degree: PhD, Electrical Engineering, 2019, University of Akron

This dissertation investigates the property of Faraday rotation in ferromagnetic nanowires and magnetoelastic materials for designing non-reciprocal signal processing components such as isolators and circulators. Nickel based ferromagnetic nanowires were grown in track-etched polycarbonate membranes using a three electrode electrodeposition technique where as magnetoelastic material consisting of silicone rubber infused with nickel microparticles was grown on an electromagnetic processing line. A customized measurement system with quasioptical and waveguide based components is proposed for Faraday rotation measurements at 61.25 GHz. Four different sets of experiments were performed. The first two sets of experiments confirmed the presence of Faraday rotation in ferromagnetic nanowires. A Verdet constant was extracted from experimental data was found to have a relatively high value of approximately 25.5 * 10^(3) rad/Tm.The third set of experiments were performed on magnetoelastic materials. Faraday rotation in these experiments was calculated and found to be voltage dependant. The fourth set of experiments were performed on magnetoelastic materials in order to determine the magnetic field sensing capability of the designed system. From the experimental data it was observed that the designed system was able to sense the static magnetic flux density up to 0.38 mT. Advisors/Committee Members: Toonen, Ryan (Committee Chair).

Subjects/Keywords: Electrical Engineering; Electromagnetics; Electromagnetism; Engineering; Physics; Materials Science; Nanoscience; Nanotechnology; Faraday rotation, millimeter waves, quasi-optical components, Nickel nanowires, Voltage-controlled magnetism, non-reciprocal signal processing components

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

APA (6th Edition):

Parsa, N. (2019). MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS. (Doctoral Dissertation). University of Akron. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731

Chicago Manual of Style (16th Edition):

Parsa, Nitin. “MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS.” 2019. Doctoral Dissertation, University of Akron. Accessed September 21, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731.

MLA Handbook (7th Edition):

Parsa, Nitin. “MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS.” 2019. Web. 21 Sep 2019.

Vancouver:

Parsa N. MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS. [Internet] [Doctoral dissertation]. University of Akron; 2019. [cited 2019 Sep 21]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731.

Council of Science Editors:

Parsa N. MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS. [Doctoral Dissertation]. University of Akron; 2019. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731

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