Properties of BaTiO3 synthesized from barium titanyl oxalate

被引：22

作者：

Kim, Jong-Hyun ^{[1
]}

Jung, Won-Sik ^{[1
]}

Kim, Hyun-Tae ^{[1
]}

Yoon, Dang-Hyok ^{[1
]}

机构：

[1] Yeungnam Univ, Sch Mat Sci & Engn, Kyongsan 712749, South Korea

来源：

CERAMICS INTERNATIONAL | 2009年 / 35卷 / 06期

关键词：

Firing; Dielectric properties; BaTiO3 and titanates; Capacitors; PARTICLE-SIZE; POWDER; TETRAGONALITY; DEPENDENCE; TRANSITION;

D O I：

10.1016/j.ceramint.2009.01.006

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：

In order to enhance the tetragonality of BaTiO3 derived from barium titanyl oxalate (BTO), various treatments were carried out by considering the thermal decomposition mechanism of BTO in air. A multi-step heat treatment process and the addition of carbon black, as a particle growth inhibitor, were effective in increasing the tetragonality, whilst maintaining a particle size smaller than 200 nm. The synthesized BaTiO3 powder with a mean particle size of 177 urn showed a tetragonality and K-factor of 1.0064 and approximately 3, respectively. (C) 2009 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：2337 / 2342

页数：6

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