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Effects of interlayer coupling in a magnetic trilayer system

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
298
Issue
4
Identifiers
DOI: 10.1016/s0375-9601(02)00274-8

Abstract

Abstract Magnetic properties of a trilayer consisting of two different magnetic films separated by a nonmagnetic spacer are investigated by means of the variational cumulant expansion. The long-range interlayer interaction as well as the nearest neighbor coupling including the anisotropy and external fields are considered. The mean magnetization and ordering temperatures are calculated for various interlayer-coupling energies in qualitative agreement with experiments.

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