Spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film: Spin current termination

被引：14
|
作者：
Harii, K. [1 ]
Qiu, Z. [1 ]
Iwashita, T. [1 ]
Kajiwara, Y. [1 ]
Uchida, K. [1 ]
Ando, K. [1 ]
An, T. [1 ]
Fujikawa, Y. [1 ]
Saitoh, E. [1 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
MATERIALS INTEGRATION | 2012年 / 508卷
关键词：
spin current; spin pumping; spin-Hall effect; ferromagnetic resonance; SPINTRONICS; DEVICES;
D O I：
10.4028/www.scientific.net/KEM.508.266
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A spin current generated by spin pumping in a ferromagnetic/nonmagnetic/spin-sink trilayer film is calculated based on the spin pumping theory and the standard spin diffusion equation. By attaching the spin-sink layer, the injected spin current is drastically enhanced when the interlayer thickness is shorter than the spin diffusion length of the interlayer. We also provided the formula of the charge current which is induced from the pumped spin current via the inverse spin-Hall effect.
引用
收藏
页码：266 / 270
页数：5
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