Estimation of spin-diffusion length from the magnitude of spin-current absorption: Multiterminal ferromagnetic/nonferromagnetic hybrid structures

被引:191
作者
Kimura, T
Hamrle, J
Otani, Y
机构
[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
[2] RIKEN, FRS, Wako, Saitama 3510198, Japan
[3] CREST, JST, Kawaguchi, Saitama 3320012, Japan
关键词
D O I
10.1103/PhysRevB.72.014461
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We demonstrate the method to calculate the spatial distributions of the spin current and accumulation in the multiterminal ferromagnetic/nonmagnetic hybrid structure using an approximate electrotransmission line. The analyses based on the obtained equation yield the results, in good agreement with the experimental ones. This implies that the method allows us to determine the spin diffusion length of an additionally connected electrically floating wire from the reduction of the spin signal.
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页数:6
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