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

被引：4
|
作者：
Tarasenko, OS [1 ]
Tarasenko, SV [1 ]
Yurchenko, VM [1 ]
机构：
[1] Natl Acad Sci Ukraine, Donetsk Physicotech Inst, UA-83114 Donetsk, Ukraine
来源：
JETP LETTERS | 2004年 / 80卷 / 07期
关键词：
42.70.Qs; 68.35.−p; 68.65.−k;
D O I：
10.1134/1.1839295
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
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. (C) 2004 MAIK "Nauka/Interperiodica".
引用
收藏
页码：484 / 486
页数：3
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