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Synthesis and properties of SrFe1 − x M x O3 − z (M = Mo, W) perovskites

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Abstract

We have synthesized SrFe1 − x M x O3 − z (M = Mo, W; 0 < x ≤ 0.5) solid solutions. Our results indicate that the introduction of stable MO6 octahedra narrows the range of oxygen stoichiometries of the material and suppresses the perovskite-brownmillerite structural phase transition at low temperatures and oxygen partial pressures. We have studied the thermal stability of the synthesized materials in a reducing atmosphere and the effect of oxygen stoichiometry on their electronic and oxygen-ionic conductivity and phase transformations.

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Authors and Affiliations

  1. Institute of Solid-State Chemistry and Mechanochemistry, Siberian Division, Russian Academy of Sciences, ul. Kutateladze 18, Novosibirsk, 630128, Russia

    O. A. Savinskaya, A. P. Nemudry & N. Z. Lyakhov

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  1. O. A. Savinskaya
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  2. A. P. Nemudry
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  3. N. Z. Lyakhov
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Correspondence to A. P. Nemudry.

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Original Russian Text © O.A. Savinskaya, A.P. Nemudry, N.Z. Lyakhov, 2007, published in Neorganicheskie Materialy, 2007, Vol. 43, No. 12, pp. 1499–1509.

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Savinskaya, O.A., Nemudry, A.P. & Lyakhov, N.Z. Synthesis and properties of SrFe1 − x M x O3 − z (M = Mo, W) perovskites. Inorg Mater 43, 1350–1360 (2007). https://doi.org/10.1134/S0020168507120199

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  • DOI: https://doi.org/10.1134/S0020168507120199

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