EXCHANGE MODES IN FERROMAGNETIC SUPERLATTICES

被引：68

作者：

BARNAS, J

机构：

[1] Institute of Physics, Technical University, 60-965 Poznań

来源：

PHYSICAL REVIEW B | 1992年 / 45卷 / 18期

关键词：

D O I：

10.1103/PhysRevB.45.10427

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The spin-wave spectrum of infinite, semi-infinite, and finite ferromagnetic superlattices with arbitrary elementary units is analyzed theoretically in the exchange-dominated region. The general dispersion equations for spin-wave modes are derived in the framework of the transfer-matrix formalism. Infinite structures with layered defects are also analyzed. Some numerical results are presented for structures with N = 1, 2, and 6 atomic planes in the elementary unit. The considerations are restricted to simple cubic structures with the exchange coupling between nearest neighbors.

引用

页码：10427 / 10437

页数：11

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