Correlation between pyroelectric properties and dielectric behaviour in ferroelectric polymers

被引：0
|
作者：
Ibos, L
Bernes, A
Teyssedre, G
Lacabanne, C
Wu, SL
Scheinbeim, JI
机构：
[1] Univ Toulouse 3, Lab Phys Polymeres, F-31062 Toulouse, France
[2] Univ Toulouse 3, Lab Genie Elect, F-31062 Toulouse, France
[3] Rutgers State Univ, Polymer Electroproc Lab, Piscataway, NJ 08854 USA
来源：
FERROELECTRICS | 2000年 / 238卷 / 1-4期
关键词：
PVDF; Polyamide; 11; pyroelectricity; dielectric relaxations;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The piezoelectric and pyroelectric properties of ferroelectric polymers are strongly influenced by temperature. This work presents a comparative study of pyroelectric properties of PVDF and Polyamide 11. Both temperature dependence and thermal stability of the pyroelectric coefficient is discussed in relation with the analysis of transitions and dielectric relaxations. Experimental results show the higher thermal stability of pyroelectric properties of Polyamide 11 in comparison to PVDF although the value of pyroelectric coefficient of as-poled samples is greater in PVDF The pyroelectric coefficient shows distinct temperature dependence below and above thermal transitions and especially the glass transition.
引用
收藏
页码：727 / 734
页数：8
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