期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 46, 期 24, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/46/24/245302
关键词
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资金
- DOE-BES Award [DE-SC0003678]
- U.S. Department of Energy (DOE) [DE-SC0003678] Funding Source: U.S. Department of Energy (DOE)
We report the results of ferromagnetic (FMR) resonance measurements on epitaxial FeRh/MgO(0 0 1) samples across the phase transition from the antiferromagnetic (AF) state of FeRh to its ferromagnetic (F) state. From temperature-dependent measurements of position, width and amplitude of the FMR line the phase transition is studied in detail. Our measurements indicate that the AF to F phase transition of FeRh is first order in nature. In addition, the angular and frequency-dependent FMR measurements are used to determine the anisotropy constants and the Gilbert damping parameter of the epitaxial FeRh films.
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