Effect of the number of layers on determination of spin asymmetries in current-perpendicular-to-plane giant magnetoresistance

被引：9
|
作者：
Taniguchi, Tomohiro [1 ,2 ]
Imamura, Hiroshi [1 ]
Nakatani, Tomoya M. [2 ,3 ]
Hono, Kazuhiro [2 ,3 ]
机构：
[1] AIST, NRI, Nanoscale Theory Grp, Tsukuba, Ibaraki 3058568, Japan
[2] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan
[3] Natl Inst Mat Sci, Magnet Mat Ctr, Tsukuba, Ibaraki 3050047, Japan
来源：
APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 04期
关键词：
HEADS;
D O I：
10.1063/1.3531758
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Current-perpendicular-to-plane giant-magnetoresistance effect in a ferromagnetic/nonmagnetic multilayer is studied theoretically by solving the diffusion equation of the spin accumulation without assuming the periodic boundary condition. We show that the Valet and Fert theory underestimates spin asymmetries with decreasing the number of layers. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3531758]
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页数：3
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