Current-Induced Spin-Torque Resonance of Magnetic Insulators

研究成果: ジャーナルへの寄稿学術論文査読

55 被引用数 (Scopus)

抄録

We formulate a theory of the ac spin Hall magnetoresistance in a bilayer system consisting of a magnetic insulator such as yttrium iron garnet and a heavy metal such as platinum. We derive expressions for the dc voltage generation based on the drift-diffusion spin model and quantum mechanical boundary condition at the interface that reveal a spin-torque ferromagnetic resonance (ST-FMR). We predict that ST-FMR experiments will reveal valuable information on the current-induced magnetization dynamics of magnetic insulators and the ac spin Hall effect.

本文言語英語
論文番号034003
ジャーナルPhysical Review Applied
2
3
DOI
出版ステータス出版済み - 2014 9月 3

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