Electrocaloric Effect of P(VDF-TrFE)/SrTiO3 Bilayer Thin Films

被引：0
|
作者：
邱建华 [1 ,2 ,3 ]
丁建宁 [1 ,2 ,3 ]
袁宁一 [1 ,3 ]
王秀琴 [1 ,2 ,3 ]
机构：
[1] Center for Low-Dimensional Materials,Micro-Nano Devices and System,Changzhou University
[2] School of Material Science and Engineering,Jiangsu University
[3] Jiangsu Key Laboratory for Solar Cell Materials and Technology
来源：
Communications in Theoretical Physics | 2013年 / 59卷 / 01期
基金：
中国国家自然科学基金;
关键词：
bilayer thin film; polymer; electrocaloric effect;
D O I：
暂无
中图分类号：
O484.4 [薄膜的性质];
学科分类号：
080501 ; 1406 ;
摘要：
A phenomenological thermodynamic theory is applied to investigate the effect of misfit strain and electric field on the electrocaloric effect of P(VDF-TrFE)/SrTiO 3 bilayer thin films.Theoretical results indicate that the low electric field results in the decrease of the average polarization with the increase of the relative thickness of SrTiO 3 layer,and the high electric field has an opposite effect on it.Moreover,the electrocaloric effect strongly depends on the electric field.The low electric field and the small field change can lead to a maximum of the electrocaloric effect,meanwhile the high electric field or the large field change results in the opposite trend.
引用
收藏
页码：117 / 120
页数：4
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