OSCILLATIONS OF INTERLAYER EXCHANGE COUPLING AND GIANT MAGNETORESISTANCE IN (111) ORIENTED PERMALLOY AU MULTILAYERS

被引：65

作者：

PARKIN, SSP

FARROW, RFC

MARKS, RF

CEBOLLADA, A

HARP, GR

SAVOY, RJ

机构：

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

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.72.3718

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The existence or not of oscillatory interlayer exchange coupling of ferromagnetic layers via (111) oriented copper spacer layers is controversial. We present evidence from magnetic and giant magnetoresistance studies of well-defined antiferromagnetic interlayer coupling in single crystalline (111) permalloy/Au multilayers. Four oscillations in the coupling are observed as the Au spacer layer thickness is increased. The oscillation period is congruent-to 10 angstrom which is significantly shorter than the period of congruent-to 11.5 angstrom predicted in Ruderman-Kittel-Kasuya-Yosida based models.

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页码：3718 / 3721

页数：4

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