Dynamics in relaxor ferroelectric polymers

被引：0

作者：

Zhang, SH ^{[1
]}

Huang, C ^{[1
]}

Klein, RJ ^{[1
]}

Xia, F ^{[1
]}

Jeong, D ^{[1
]}

Ren, KL ^{[1
]}

Zhang, QM ^{[1
]}

Bauer, F ^{[1
]}

机构：

[1] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

2004 14th IEEE International Symposium on Applications of Ferroelectrics-ISAF-04 | 2004年

关键词：

relaxor ferroelectric; P(VDF-TrFE-CFE); electromechanical; dynamics; strain;

D O I：

暂无

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Normal ferroelectric poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] copolymer have been converted into relaxor ferroelectrics by introducing appropriate amount of defects into the original polar crystallites, which is achieved either by high-energy electron irradiation or by copolymerizing with a third bulky monomer 1,1-chlorofluoroethylene (CFE). These modified P(VDF-TrFE)s exhibit typical relaxor ferroelectric behavior such as giant electromechanical response, the absence of ferroelectric-paraelectric transition, slim polarization loop, and a frequency-dependent strong dispersion in dielectric spectra.

引用

页码：138 / 142

页数：5

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