Dynamic shear piezoelectricity of poly(vinylidene fluoride) thin films

被引：5
|
作者：
Strashilov, VL
Burov, JI
Nikolov, MP
机构：
[1] Department of Solid State Physics and Microelectronics, Sofia University, 1126 Sofia, St. Kliment Ochridski
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 1997年 / 44卷 / 06期
关键词：
D O I：
10.1109/58.656618
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The shear wave properties of stretched and polarized PVDF thin films have been studied under application of a high frequency electric field parallel to the film surface. It has been found that the piezoelectric constants d(15) and d(24) do not act effectively under conditions of thickness resonance, in contrast with their large static values. This result is in severe disagreement with the symmetry predictions and raises the necessity for thorough investigation of the contribution of the amorphous phase as well as the collective behavior of piezoelectric crystallites.
引用
收藏
页码：1181 / 1188
页数：8
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