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J. X. Yi, S. J. Feng, Q. Zeng and C. S. Chen (2015) Chinese Journal Of Chemical Physics 28 189-192.
Date: 2016-02-25   Author: SKLFS  ,   Source: SKLFS  ,
 

J. X. Yi, S. J. Feng, Q. Zeng and C. S. Chen (2015) Structure, Electrical and Oxygen Transport Properties of Fe-Doped SrCoO3-delta Perovskites. Journal/Chinese Journal Of Chemical Physics 28 189-192. [In English]
Web link: http://dx.doi.org/10.1063/1674-0068/28/cjcp1411192
Keywords: Perovskite, Ceramic membrane, Electrical, Oxygen transport, Structure, CATION SUBSTITUTION, NEUTRON-DIFFRACTION, MIXED CONDUCTORS, OXIDES, CELLS
Abstract: 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.


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