Polyvinylidene fluoride-modified BaTiO3 composites with high dielectric constant and temperature stability

被引：24
|
作者：
Xiao, Qing [1 ]
Li, Lei [1 ]
Zhan, Bing Qing [1 ]
Chen, Xiang Ming [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, Lab Dielectr Mat, Hangzhou 310027, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2013年 / 39卷
关键词：
Hot pressing; Composites; Dielectric properties; DEPENDENCE; VISCOSITY; MLCC;
D O I：
10.1016/j.ceramint.2012.10.025
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：
Polyvinylidene fluoride (PVDF)-modified X7R-type BaTiO3 (BTO) composites were prepared by hot pressing, and the dielectric properties were investigated. The dielectric constant of the PVDF-BTO composites at 1 kHz increased significantly with increasing the volume fraction of BTO up to 0.5, and good temperature stability of dielectric constant was obtained for the composites, which benefited from the temperature-stable dielectric constant of the modified BaTiO3. Two significant dielectric relaxations were observed for the PVDF-BTO composites, and they fit the Vogel-Fulcher and Arrhenius fittings, respectively. Crown Copyright (C) 2012 Published by Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：S3 / S7
页数：5
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