SrSn1−Fe O3− (0≤x≤1) perovskites: a novel mixed oxide ion and electronic conductor (original) (raw)

Materials Research Bulletin, 2002

Abstract

ABSTRACT The electrical conductivity of SrSn1−xFexO3−δ increases with the Fe content and reaches a value of ∼10−1 S/cm at 25°C at x=1. Compounds with low Fe content exhibit both ionic and electronic conductivity, while the higher Fe content perovskites are mainly electronic conductors with a conductivity independent of the oxygen partial pressure over a wide range from 0.21 to 10−22 atm.

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