INTERLAYER EXCHANGE COUPLING - A UNIFIED PHYSICAL PICTURE

被引：196

作者：

BRUNO, P

机构：

[1] Institut d'Electronique Fondamentale, CNRS UA 22, Université Paris-Sud, F-91405 Orsay Cedex

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1993年 / 121卷 / 1-3期

关键词：

D O I：

10.1016/0304-8853(93)91197-F

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A unified theoretical description of the phenomenon of interlayer exchange coupling between ferromagnetic films separated by a paramagnetic spacer layer is proposed, in which the coupling is expressed in terms of the spin-asymmetry of the reflection at the paramagnetic-ferromagnetic interfaces. General expressions of the coupling constants are derived, both for the usual bilinear (Heisenberg) coupling and for the biquadratic term.

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页码：248 / 252

页数：5

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