Effect of magnetic anisotropies on spin waves of multilayers with antiferromagnetic coupling

被引：3
|
作者：
Mingozzi, M [1 ]
Donzelli, O [1 ]
Ngaboyisonga, JMV [1 ]
Nizzoli, F [1 ]
机构：
[1] UNIV FERRARA,DIPARTIMENTO FIS,I-44100 FERRARA,ITALY
来源：
SURFACE SCIENCE | 1997年 / 377卷 / 1-3期
关键词：
chromium; iron; magnetic phenomena; magnons; metal-metal magnetic heterostructures; semi-empirical models and model calculations;
D O I：
10.1016/S0039-6028(96)01446-X
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We investigate how the spin waves spectra of Fe/Cr finite superlattices with antiferromagnetic coupling depend on the interface anisotropy (in-plane and out-of-plane). The magnetic ground state, evaluated within the mean field approach, exhibits a canted configuration of the static magnetization. The spin waves are calculated by considering dipole interaction, intralayer and interlayer exchange coupling, uniaxial and interface anisotropies, in presence of an external field. The calculated spectra are compared with recent experimental Brillouin scattering data which show two spin waves peaks.
引用
收藏
页码：462 / 465
页数：4
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