Analysis of surface acoustic wave propagation in a two-dimensional phononic crystal

被引：21

作者：

Li, Yong ^{[1
,2
]}

Hou, Zhilin ^{[1
]}

Oudich, Mourad ^{[3
]}

Assouar, M. Badreddine ^{[3
,4
]}

机构：

[1] S China Univ Technol, Dept Phys, Guangzhou 510640, Guangdong, Peoples R China

[2] Nanjing Univ, Dept Phys, Inst Acoust, Lab Modern Acoust,MOE, Nanjing 210093, Jiangsu, Peoples R China

[3] Nancy Univ, CNRS, UMR 7198, Inst Jean Lamour, F-54506 Vandoeuvre Ls Nancy, France

[4] Georgia Inst Technol, CNRS GIT, Int Joint Lab, UMI 2958, Atlanta, GA 30332 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 02期

基金：

美国国家科学基金会;

关键词：

BAND-STRUCTURE;

D O I：

10.1063/1.4740050

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this paper, we present a numerical technique to calculate the surface acoustic wave (SAW) in a two-dimensional phononic crystal (PC). By the technique, the SAW in the system, which is obtained by adding an additional composite surface layer on the xy-cut surface of a two-dimensional PC, is investigated. Result shows that the behavior of SAW in the studied system is mainly determined by the residual penetration depth of the SAW into the PC structure. Based on this understanding, we show that the SAW in the band gap of the PC can be controlled efficiently by changing the structure of the surface layer. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4740050]

引用

页数：5

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