Shear-horizontal acoustic wave propagation in piezoelectric bounded plates with metal gratings

被引：8

作者：

Chen, S ^{[1
]}

Tang, TT ^{[1
]}

Wang, ZH ^{[1
]}

机构：

[1] Xian Jiaotong Univ, Telecom Coll, Xian 710049, Peoples R China

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2005年 / 117卷 / 06期

关键词：

D O I：

10.1121/1.1898083

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this paper, shear-horizontal (SH) acoustic wave propagation in metal gratings deposited on piezoelectric bounded plates is investigated. The spectral characteristics of the electromechanical coupling coefficient are studied first, which are very important for acoustic wave device designs. And, an effective mathematic method based on even- and odd base functions is also presented for overcoming the large frequency thickness product problem. Then, the characteristics of the grating modes are studied, and the nature and characteristics of the stop bands are investigated fully. The results show that the width and attenuation of the stop bands are dominated by the electromechanical coupling coefficient at the frequency centers of the stop bands. (c) 2005 Acoustical Society of America.

引用

页码：3609 / 3615

页数：7

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