A theory of spin-dependent ballistic transport in the effective-mass approximation

被引：1
|
作者：
Los, VF
Saltanov, VN
机构：
[1] Natl Acad Sci Ukraine, Inst Magnetism, UA-03142 Kiev, Ukraine
[2] Natl Kiev Univ, UA-01003 Kiev, Ukraine
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2002年 / 242卷
关键词：
magnetoresistance; giant; thin films; sandwich; transport properties; tunneling;
D O I：
10.1016/S0304-8853(01)01052-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A unified theory describing a spin-dependent transport of electrons through a thin metallic or insulator nonmagnetic layer sandwiched between two ferromagnets is developed in the ballistic regime and current-perpendicular-to-plane (CPP) geometry. The theory is based on the Landauer formalism and the exact electron transmission coefficient in the effective-mass approximation. Results of numerical calculations are presented. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：495 / 498
页数：4
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