Effect of particle size on the dielectric properties of 0.5Ba(Zr0.2Ti0.8)O3-0.5 (Ba0.7Ca0.8)TiO3/polyvinylidene fluoride hybrid films

被引：13

作者：

Chi, Q. G. ^{[1
,2
,3
]}

Dong, J. F. ^{[1
]}

Liu, G. Y. ^{[2
]}

Chen, Y. ^{[2
]}

Wang, X. ^{[2
]}

Lei, Q. Q. ^{[2
]}

机构：

[1] Harbin Univ Sci & Technol, Sch Appl Sci, Harbin 150080, Peoples R China

[2] Harbin Univ Sci & Technol, Minist Educ, Key Lab Engn Dielect & Its Applicat, Harbin 150080, Peoples R China

[3] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2015年 / 41卷 / 10期

基金：

美国国家科学基金会;

关键词：

Powders: chemical preparation; Interfaces; Dielectric properties; PIEZOELECTRIC PROPERTIES; GRAIN-SIZE; CERAMICS;

D O I：

10.1016/j.ceramint.2015.08.083

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.8)TiO3 (BZT BCT) micro-ceramics were prepared by the solid phase method and sintered at 1400 degrees C for different times. BZT BCT/polyvinylidene fluoride (PVDF) hybrid films with 40 vol% filler were also prepared via in melt blending polymerization. For all BZT-BCT micro-ceramics, the dielectric permittivity increased with increasing sintering time. While for BZT-BCT/PVDF hybrid films, the dielectric permittivity decreased with increasing particle size. The dielectric permittivity of the hybrid film sintered for 0.5 h was 37.2 at 10 Hz, which was larger than that of hybrid films with fillers sintered for 1, 2, and 4 h. These results indicated that the permittivity of hybrid films was affected by the different particle sizes of BZT-BCT ceramics and that the interfacial polarization effect is an important feature of BZT-BCT/PVDF composite films. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：15116 / 15121

页数：6

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