OSCILLATORY MAGNETIC EXCHANGE COUPLING THROUGH THIN COPPER LAYERS

被引：1210

作者：

PARKIN, SSP

BHADRA, R

ROCHE, KP

机构：

[1] IBM Research Division, Almaden Research Center, San Jose, CA 95120-6099

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.66.2152

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Confirming theoretical predictions more than 25 years old, we show that Co slabs are indirectly exchanged coupled via thin Cu layers with a coupling that alternates back and forth between antiferromagnetic and ferromagnetic. Four oscillations are observed with a period of congruent-to 10 angstrom. Moreover, the antiferromagnetically coupled Co/Cu superlattices exhibit extraordinarily large saturation magnetoresistances at 300 K of more than 65%.

引用

页码：2152 / 2155

页数：4

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