Nonlocal spin-charge conversion via Rashba spin-orbit interaction

被引：6
|
作者：
Fujimoto, Junji [1 ,2 ]
Tatara, Gen [2 ,3 ]
机构：
[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan
[2] RIKEN Ctr Emergent Matter Sci CEMS, Wako, Saitama 3510198, Japan
[3] RIKEN Cluster Pioneering Res CPR, Wako, Saitama 3510198, Japan
来源：
PHYSICAL REVIEW B | 2019年 / 99卷 / 05期
基金：
日本学术振兴会;
关键词：
Gages - Magnets - Superconducting materials - Ferromagnetic materials - Ferromagnetism;
D O I：
10.1103/PhysRevB.99.054407
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We show theoretically that conversion between spin and charge by spin-orbit interaction in metals occurs even in a nonlocal setup where magnetization and spin-orbit interaction are spatially separated if electron diffusion is taken into account. Calculation is carried out for the Rashba spin-orbit interaction treating the coupling with a ferromagnet perturbatively. The results indicate the validity of the concept of effective spin gauge field (spin motive force) in the nonlocal configuration. The inverse Rashba-Edelstein effect observed for a trilayer of a ferromagnet, a normal metal and a heavy metal can be explained in terms of the nonlocal effective spin gauge field.
引用
收藏
页数：17
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