Dielectric properties of LTNO ceramics and LTNO/PVDF composites

被引：39

作者：

Dang, ZM ^{[1
]}

Nan, CW

机构：

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

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

[3] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2005年 / 31卷 / 02期

基金：

中国国家自然科学基金;

关键词：

composites; dielectric properties; electrical conductivity; LTNO;

D O I：

10.1016/j.ceramint.2004.05.008

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：

The sol-gel method was used to prepare Li and Ti co-doped NiO (LTNO) ceramics with high dielectric constant due to the boundary-layer capacitor (BLC) structure. The dielectric properties of the LTNO/polyvinylidene fluoride (PVDF) composites were also studied along with the change of frequency with the volume fraction of LTNO fillers. The low dielectric constant of the LNTO/PVDF composites is close to the destruction of the BLC microstructure in LTNO ceramics after their grinding into fine powders. Ti content has been found to affect the dielectric properties of LTNO ceramic and LTNO/PVDF composites. (C) 2004 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：349 / 351

页数：3

共 7 条

[1] Dielectric behavior of Li and Ti co-doped NiO/PVDF composites [J].

Dang, ZM ;

Wu, JB ;

Fan, LZ ;

Nan, CW .

CHEMICAL PHYSICS LETTERS, 2003, 376 (3-4) :389-394

[2] Optical response of high-dielectric-constant perovskite-related oxide [J].

Homes, CC ;

Vogt, T ;

Shapiro, SM ;

Wakimoto, S ;

Ramirez, AP .

SCIENCE, 2001, 293 (5530) :673-676

[3]

Pecharromán C, 2001, ADV MATER, V13, P1541, DOI 10.1002/1521-4095(200110)13:20<1541::AID-ADMA1541>3.0.CO

[4]

2-X

[5] Giant dielectric permittivity observed in Li and Ti doped NiO [J].

Wu, JB ;

Nan, CW ;

Lin, YH ;

Deng, Y .

PHYSICAL REVIEW LETTERS, 2002, 89 (21) :217601-217601

[6] An all-organic composite actuator material with a high dielectric constant [J].

Zhang, QM ;

Li, HF ;

Poh, M ;

Xia, F ;

Cheng, ZY ;

Xu, HS ;

Huang, C .

NATURE, 2002, 419 (6904) :284-287

[7] Giant electrostriction and relaxor ferroelectric behavior in electron-irradiated poly(vinylidene fluoride-trifluoroethylene) copolymer [J].

Zhang, QM ;

Bharti, V ;

Zhao, X .

SCIENCE, 1998, 280 (5372) :2101-2104

← 1 →