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Dissertation_NParsa_Ver_5.0.pdf (23.32 MB)

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MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS

Parsa, Nitin
http://orcid.org/0000-0002-3006-0552
http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731

Abstract Details

2019, Doctor of Philosophy, University of Akron, Electrical Engineering.
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.
Ryan Toonen (Committee Chair)
Kye-Shin Lee (Committee Member)
Igor Tsukerman (Committee Member)
Ben Yu-Kuang Hu (Committee Member)
Ernian Pan (Committee Member)
133 p.
Electrical Engineering; Electromagnetics; Electromagnetism; Engineering; Materials Science; Nanoscience; Nanotechnology; Physics
Faraday rotation, millimeter waves, quasi-optical components, Nickel nanowires, Voltage-controlled magnetism, non-reciprocal signal processing components

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Citations

  • Parsa, N. (2019). MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS [Doctoral dissertation, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731

    APA Style (7th edition)

  • Parsa, Nitin. MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS. 2019. University of Akron, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731.

    MLA Style (8th edition)

  • Parsa, Nitin. "MILLIMETER-WAVE FARADAY ROTATION FROM FERROMAGNETIC NANOWIRES AND MAGNETOELASTIC MATERIALS." Doctoral dissertation, University of Akron, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1561468969375731

    Chicago Manual of Style (17th edition)

akron1561468969375731
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© 2019, all rights reserved.
This open access ETD is published by University of Akron and OhioLINK.