Electrical conductivity and chemical stability of pure and Zr substituted BaThO3

被引：3
|
作者：
Bootharajan, M. [1 ]
Kumar, R. [1 ]
Jayaraman, V. [2 ]
机构：
[1] HBNI, Indira Gandhi Ctr Atom Res, Div Fuel Chem, Mat Chem & Met Fuel Cycle Grp, Kalpakkam 603102, Tamil Nadu, India
[2] HBNI, Mat Chem Div, Mat Chem & Met Fuel Cycle Grp, Indira Gandhi Ctr Atom Res, Kalpakkam 603102, Tamil Nadu, India
来源：
CERAMICS INTERNATIONAL | 2018年 / 44卷 / 16期
关键词：
Zr substituted Barium thorate; Chemical stability; THERMODYNAMIC STABILITY; PROTON CONDUCTIVITY;
D O I：
10.1016/j.ceramint.2018.08.002
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：
A series of zirconium substituted barium thorates (BaTh1-xZrxO3, where x = 0-0.4) were synthesized via modified solid-state reaction. The electrical conducting behavior in the oxygen and hydrogen atmospheres was investigated in the temperature range of 300-600 degrees C. The chemical stability towards CO2 among these compositions was studied at 400 and 600 degrees C. All the Zr substituted BaThO3 exhibited higher conductivity than pristine BaThO3 in the oxygen atmosphere. BaTh0.9Zr0.1O3 was found to exhibit higher conductivity in the hydrogen atmosphere with better chemical resistivity towards CO2 at 400 degrees C over other compositions.
引用
收藏
页码：20192 / 20198
页数：7
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