SPIN-WAVE IMPURITY MODES FOR A FERROMAGNETIC THIN-FILM

被引：6

作者：

CHEN, NN ^{[1
]}

COTTAM, MG ^{[1
]}

机构：

[1] UNIV WESTERN ONTARIO,DEPT PHYS,LONDON N6A 3K7,ONTARIO,CANADA

来源：

SOLID STATE COMMUNICATIONS | 1992年 / 84卷 / 04期

关键词：

Mathematical models - Thin films;

D O I：

10.1016/0038-1098(92)90481-N

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The localized states of an isolated magnetic impurity situated within a Heisenberg ferromagnetic thin film are studied. A Green function approach is used to evaluate the energies of the "defect modes" and "resonance modes" associated with the impurity as a function of its position relative to the film surfaces. The density of spin-wave states is also calculated for the case of low impurity concentrations.

引用

页码：379 / 382

页数：4

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