Frequency analysis of piezoelectric nanowires with surface effects

被引：23
|
作者：
Samaei, Arash Tourki [1 ]
Gheshlaghi, Behnam [1 ]
Wang, Gang-Feng [2 ]
机构：
[1] City Univ Hong Kong, Dept Mech & Biomed Engn, Tat Chee Ave, Kowloon Tong, Hong Kong, Peoples R China
[2] Xi An Jiao Tong Univ, SV Lab, Dept Engn Mech, Xian 710049, Peoples R China
来源：
CURRENT APPLIED PHYSICS | 2013年 / 13卷 / 09期
关键词：
Surface elasticity; Vibration; Piezoelectric nanowire; NEMS; STRESS; ARRAYS;
D O I：
10.1016/j.cap.2013.08.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the modified Timoshenko beam model is used to analyze the vibration of piezoelectric nanowires in the presence of surface effects. Analytical relations are given for the natural frequency of nanowires by accounting for the effects of surface elasticity, residual surface tension, and transverse shear deformation. Through an example, it is shown that the natural frequency depends on both the surface stresses and piezoelectricity. This study is expected to provide useful insights for the design of piezoelectric-nanowire-based nanodevices. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：2098 / 2102
页数：5
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