Structure, Electrical and Oxygen Transport Properties of Fe-Doped SrCoO3-δ Perovskites

被引：4
|
作者：
Yi, Jian-xin [1 ]
Feng, Shao-jie [2 ]
Zeng, Qing [3 ]
Chen, Chu-sheng [3 ]
机构：
[1] Univ Sci & Technol China, Dept Safety Sci & Engn, State Key Lab Fire Sci, Hefei 230026, Peoples R China
[2] Anhui Univ Architecture, Sch Mat Sci & Chem Engn, Hefei 230022, Peoples R China
[3] Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Peoples R China
来源：
CHINESE JOURNAL OF CHEMICAL PHYSICS | 2015年 / 28卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Perovskite; Ceramic membrane; Electrical; Oxygen transport; Structure; CATION SUBSTITUTION; NEUTRON-DIFFRACTION; MIXED CONDUCTORS; OXIDES; CELLS;
D O I：
10.1063/1674-0068/28/cjcp1411192
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The structure-property relationship of Fe-doped SrCoO3-delta was studied. With increase of Fe content in SrCo1-xFexO3-delta from x=0 to x=0.2, the phase composition changed progressively in the order of hexagonal -> brownmillerite (main) + hexagonal -> cubic (main) + brownmillerite single cubic phase. Transition between the hexagonal/brownmillerite phase and the cubic phase took place with variation of the operating conditions, and was associated with remarkable changes in the electrical conductivity and oxygen permeation flux.
引用
收藏
页码：189 / 192
页数：4
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