ANISOTROPY IN AUTO-OSCILLATION PROPERTIES IN SPIN-WAVE INSTABILITIES IN YTTRIUM-IRON-GARNET FILMS

被引：6
|
作者：
SRINIVASAN, G
机构：
[1] Department of Physics, Oakland University, Rochester
来源：
SOLID STATE COMMUNICATIONS | 1991年 / 80卷 / 01期
关键词：
D O I：
10.1016/0038-1098(91)90587-L
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A crystallographic anisotropy in the frequency and threshold microwave field for low frequency oscillations is reported for parallel pump instability in (110) yttrium iron garnet films. Intense auto-oscillations are observed over a wide static field H range for microwave fields h along [110] axis, and over a narrow H range for h along [111]. However, such oscillations are absent for h applied parallel to [100]. The frequency and threshold for auto-oscillations are the smallest for h along [110].
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页码：5 / 8
页数：4
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