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Electrical conductivity and oxygen stoichiometry of SrFeO3-δ

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Abstract

Solid-electrolyte coulometry, thermogravimetry, and conductivity (σ) data obtained at temperatures from 20 to 1000°C and oxygen partial pressures from 1 to 105 Pa were used to construct the equilibriump-T-x andp-T-σ phase diagrams of strontium ferrate, SrFeO3-σ. Strontium ferrate was shown to bep-type throughout the temperature andp O 2 ranges studied. Cooling polycrystalline SrFeO3-σ in flowing oxygen or air was found to be accompanied by sharp changes in resistivity

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Authors and Affiliations

  1. Institute of General and Inorganic Chemistry, Belarussian Academy of Sciences, ul. Surganova 9, 220072, Minsk, Belarus

    V. V. Vashuk, L. V. Kokhanovskii & I. I. Yushkevich

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  1. V. V. Vashuk
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  2. L. V. Kokhanovskii
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  3. I. I. Yushkevich
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Vashuk, V.V., Kokhanovskii, L.V. & Yushkevich, I.I. Electrical conductivity and oxygen stoichiometry of SrFeO3-δ . Inorg Mater 36, 79–83 (2000). https://doi.org/10.1007/BF02758386

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  • DOI: https://doi.org/10.1007/BF02758386

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