Features of focusing magnetoelastic waves in YIG crystals

被引：7

作者：

Bakharev, S. M. ^{[1
,2
]}

Borich, M. A. ^{[1
,2
]}

Savchenko, S. P. ^{[1
]}

机构：

[1] MN Miheev Inst Met Phys, Ekaterinburg, Russia

[2] Ural Fed Univ, Ekaterinburg, Russia

来源：

VII EURO-ASIAN SYMPOSIUM TRENDS IN MAGNETISM | 2019年 / 1389卷

关键词：

DEPENDENCE;

D O I：

10.1088/1742-6596/1389/1/012096

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The focusing features and caustic of magnetoelastic waves in Y3Fe5O12 (YIG) crystals in the long wavelength approximation are investigated. It is shown that the interaction of phonon and magnetic subsystems leads to pronounced anisotropic properties of magnetoelastic waves. Four magnetoelastic eigenmodes are realized in the crystal, and two of them possess a focusing and caustic in the vicinity of magnetoelastic resonance point. The region of frequencies and wavenumbers of magnetoelastic waves is obtained, where the caustic can be observed. The directions of the focusing and caustic are defined.

引用

页数：7

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