Synthesis of SrBi4Ti4O15 powder and ceramic via auto-combustion of citrate-nitrate gel

被引：17

作者：

Chu, RQ

Xu, ZJ ^{[1
]}

Zhu, ZG

Li, GR

Yin, QR

机构：

[1] Liaocheng Univ, Coll Mat Sci & Engn, Liaocheng 252000, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfinem, Shanghai 200050, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2005年 / 122卷 / 02期

基金：

国家高技术研究发展计划(863计划); 中国博士后科学基金;

关键词：

auto-combustion; SrBi4Ti4O15; piezoelectric cofficient;

D O I：

10.1016/j.mseb.2005.05.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

SrBi4Ti4O15(SBTi) powders were synthesized by auto-combustion of citrate-nitrate gel. Attempts have been made to understand the synthesis process with the help of thermogravimetric (TG) and differential scanning calorimetry (DSC) of the sample. The XRD and SEM studies on these powders confirmed that the method produces powder had greater composition uniformity, and possesses a reasonably fine particle size. The SBTi ceramics sintered at 1060 degrees C for 1 h exhibited a relative density of 90%, the sintering temperature was lower 100 degrees C than solid-state reaction. The ferroelectric and dielectric properties of SBTi were investigated, it was found that piezoelectric coefficient is 20 pC/N. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：106 / 109

页数：4

共 25 条

[1] A novel aqueous solution route to the low-temperature synthesis of SrBi2Nb2O9 by use of water-soluble Bi and Nb complexes [J].