Temperature-dependent Faraday rotation and magnetization reorientation in cerium-substituted yttrium iron garnet thin films
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Ross_Temperature-dependent.pdf
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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
Date Issued
March 2017
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
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.
MIT Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
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Creative Commons Attribution 4.0 International License
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DOI of Published Version
https://doi.org/10.1063/1.4976817
