GIANT MAGNETORESISTANCE AND MAGNETOTHERMOPOWER IN CO/CU MULTILAYERS

被引：53
|
作者：
SHI, J
PARKIN, SSP
XING, L
SALAMON, MB
机构：
[1] IBM CORP,ALMADEN RES CTR,SAN JOSE,CA 95120
[2] UNIV ILLINOIS,MAT RES LAB,URBANA,IL 61801
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1993年 / 125卷 / 03期
关键词：
D O I：
10.1016/0304-8853(93)90094-I
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The thermopower (Seebeck coefficient, S) has been measured on a series of Co/Cu multilayers that exhibit giant negative magnetoresistance (GMR). Negative in zero applied field, S(H) increases in magnitude as the field is increased, approaching that of bulk Co. The change in S is inversely proportional to the resistance of the sample which is, in turn, proportional to the square of the magnetization. A model is presented that yields both the GMR and S(H) from the spin-split density of states of the Co without the need of a spin-dependent scattering potential at the interfaces.
引用
收藏
页码：L251 / L256
页数：6
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