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Temperature-dependent Faraday rotation and magnetization reorientation in cerium-substituted yttrium iron garnet thin films

Author(s)
Beran, Lukas; Ohnoutek, Lukas; Kucera, Miroslav; Antos, Roman; Veis, Martin; Lage, Enno; Quindeau, Andy; Sani, Sohrab Redjai; Dionne, Gerald F.; Ross, Caroline A; ... Show more Show less
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Abstract
We report on the temperature dependence of the magnetic and magneto-optical properties in cerium-substituted yttrium iron garnet (Ce: YIG) thin films. Measurements of the Faraday rotation as a function of temperature show that the magnetic easy axis of thin Ce: YIG films reorients from in-plane to out-of-plane on cooling below -100 degrees C. We argue that the temperature-dependence of the magnetostriction and magnetocrystalline anisotropy of Ce: YIG is the dominant factor contributing to the change in easy axis direction, and we describe the changes in the magneto-optical spectra with temperature.
Date issued
2017-03
URI
http://hdl.handle.net/1721.1/111953
Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Journal
APL Materials
Publisher
American Institute of Physics (AIP)
Citation
Lage, Enno et al. “Temperature-Dependent Faraday Rotation and Magnetization Reorientation in Cerium-Substituted Yttrium Iron Garnet Thin Films.” APL Materials 5, 3 (March 2017): 036104 © 2017 Author(s)
Version: Final published version
ISSN
2166-532X

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