Current perpendicular to plane giant magnetoresistance in laminated nanostructures

被引：1
|
作者：
Vedyayev, A
Zhukov, I [1 ]
Dieny, B
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Magmetism Dept, Moscow 119992, Russia
[2] CEA, DSM, URA, SPINTEC, F-38054 Grenoble, France
[3] CEA, STIC, SPM, CNRS, F-38054 Grenoble, France
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2005年 / 290卷
关键词：
magnetoresistance-giant; magnetoresistance-multilayers; quantum well;
D O I：
10.1016/j.jmmm.2004.11.361
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We theoretically studied spin-dependent electron transport perpendicular-to-plain (CPP) in magnetic laminated multilayered structures by using Kubo formalism. We took into account not only bulk scattering, but the interface resistance due to both specular and diffuse reflection and also spin conserving and spin-flip processes. It was shown that spin-flip scattering at interfaces substantially reduces the value of giant magnetoresistance (GMR). This can explain the experimental observations that the CPP GMR ratio for laminated structures only slightly increases as compared to non-laminated ones even though lamination induces a significant increase in CPP resistance. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：1050 / 1052
页数：3
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