On phase relations, transport properties and defect structure in mixed conducting SrFe1.5-xCoxOz

被引：16

作者：

Bredesen, R

Norby, T

机构：

[1] SINTEF Mat Technol, N-0314 Oslo, Norway

[2] Univ Oslo, Dept Chem, Ctr Mat Sci, N-0349 Oslo, Norway

来源：

SOLID STATE IONICS | 2000年 / 129卷 / 1-4期

关键词：

phase relations; electronic and ionic conductivity; chemical diffusion; defect models of pure and Co-containing Sr4Fe6O13;

D O I：

10.1016/S0167-2738(99)00333-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The stability of the Sr4Fe6O13 phase, and the phase changes taking place in the presence of Co, an discussed. Reported transport parameters are analysed and discussed in relation to defects and phase changes in SrFe1.5-xCoxOz. A defect model is suggested that is in qualitative agreement with the observed transport parameters. It is suggested that defect ordering due to Co2+ ions is decisive for the transport properties. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：285 / 297

页数：13

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JOURNAL OF MATERIALS CHEMISTRY, 1997, 7 (12) :2415-2419

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