Significantly enhanced low-frequency dielectric permittivity in the BaTiO3/poly(vinylidene fluoride) nanocomposite

被引：182

作者：

Dang, Zhi-Min ^{[1
]}

Xu, Hai-Ping

Wang, Hai-Yan

机构：

[1] Beijing Univ Chem Technol, Key Lab Beijing City Preperat & Proc Novel Polyme, Beijing 100029, Peoples R China

[2] Beijing Univ Chem Technol, Key Lab Minist Educ Nanomat, Beijing 100029, Peoples R China

[3] Xian Jiaotong Univ, State Key Lab Elect Insulat Power Equipment, Xian 710049, Peoples R China

[4] Univ Potsdam, Dept Phys, D-14469 Potsdam, Germany

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 01期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2393150

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

To disclose an effect of ceramic particle size on dielectric properties of BaTiO3/ poly(vinylidene fluoride) (BT/PVDF) composites at low frequency, the dielectric properties of the BT/PVDF composites loaded with different diameter BT particles at the same volume concentration were studied at wide frequency ranges from 10(-1) to 10(7) Hz. A significant low-frequency dielectric permittivity increase in the BT/PVDF nanocomposite was noticed, which was not reported previously. The authors considered that the marked aggrandizement of interface and dipole polarization at low frequency is charged with the significant increase in dielectric permittivity. (c) 2007 American Institute of Physics.

引用

页数：3

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