Ferroelectric switching and dielectric response of P(VDF-TrFE)/PMMA blends

被引：0
|
作者：
Moreira, RL [1 ]
Faria, LO [1 ]
Wisniewski, C [1 ]
Giacometti, JA [1 ]
机构：
[1] UFMG, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil
来源：
12TH INTERNATIONAL SYMPOSIUM ON ELECTRETS (ISE 12), PROCEEDINGS | 2005年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The ferroelectric and the dielectric behaviors of binary blends formed by an equi-molar Poly(vinylidene fluoride trifluoroethylene) copolymer [P(VDF-TrFE)] and Poly(methyl methacrylate) [PMMA] were investigated, for several PMMA compositions. For 40 wL% or more PMMA contents, the blends are completely amorphous. Below this value, they crystallize in the usual Cm2m polar structure of P(VDF-TrFE). The ferroelectric switching characteristics and the dielectric response of the blends demonstrate the formation of dynamically stable ferroelectric domains. Moreover, the blended films are highly transparent in the optical region. Therefore, thin films of these binary blends are good candidates as host materials for nonlinear optical applications.
引用
收藏
页码：174 / 177
页数：4
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