A RESISTOR NETWORK THEORY OF THE GIANT MAGNETORESISTANCE IN MAGNETIC SUPERLATTICES

被引：101

作者：

EDWARDS, DM

MATHON, J

MUNIZ, RB

机构：

[1] UNIV FED FLUMINENSE,DEPT FIS,CONDENSED MATTER GRP,BR-24020 NITEROI,BRAZIL

[2] CITY UNIV LONDON,DEPT MATH,LONDON EC1V 0HB,ENGLAND

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1991年 / 27卷 / 04期

关键词：

D O I：

10.1109/20.102926

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An explanation of the giant magnetoresistance effect observed in some magnetic superlattices is given in terms of an equivalent network of resistors. The model leads to a simple analytic formula that relates the magnetoresistance to the spin-dependent electron mean-free paths and thickness of the magnetic and nonmagnetic layers in the superlattice. The formula is applied to discuss the giant magnetoresistance of Co/Cu and Fe/Cr superlattices and is also used to predict the most favorable values of parameters for a large magnetoresistance effect.

引用

页码：3548 / 3552

页数：5

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