Effect of negative acoustic refraction in a one-dimensional phononic crystal

被引：0
|
作者：
O. S. Tarasenko
S. V. Tarasenko
V. M. Yurchenko
机构：
[1] National Academy of Sciences of Ukraine,Donetsk Physicotechnical Institute
来源：
Journal of Experimental and Theoretical Physics Letters | 2004年 / 80卷
关键词：
42.70.Qs; 68.35.−p; 68.65.−k;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A two-component thin-layer acoustic superlattice (one-dimensional phononic crystal), in which one of the layers of the superlattice period is near the proper ferroelastic phase transition, is considered. The necessary conditions under which a bulk elastic wave incident on the outer surface of the superlattice excites a refracted wave with negative acoustic refraction (at the fundamental or multiple frequency) have been determined.
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页码：484 / 486
页数：2
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