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Mössbauer and X-ray diffraction studies of cubic (ZrO2)0.90(Sc2O3)0.10 − x (Fe2O3) x solid solutions

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Abstract

(ZrO2)0.90(Sc2O3)0.10 − x (Fe2O3) x solid solutions have been studied by X-ray diffraction and Mössbauer spectroscopy. The results demonstrate that heat treatment in the range 1420–1810 K destabilizes the fluorite-type structure (C-ZrO2) of the Fe-free (x = 0) material and stabilizes it in the Fe-containing samples (0.01 ≤ x ≤ 0.05). The increase in the stability of the high-temperature cubic form of zirconia can be accounted for by the influence of ScFeO3 dissolved in C-ZrO2.

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Authors and Affiliations

  1. Vernadsky Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, pr. Akademika Palladina 32/34, Kyiv, 03142, Ukraine

    O. Z. Yanchevskii, E. V. Pashkova & A. G. Belous

  2. Semenenko Institute of Mineralogy and Ore Formation, National Academy of Sciences of Ukraine, pr. Akademika Palladina 34, Kyiv, 03680, Ukraine

    V. P. Ivanitskii

Authors
  1. O. Z. Yanchevskii
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  2. E. V. Pashkova
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  3. V. P. Ivanitskii
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  4. A. G. Belous
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Correspondence to O. Z. Yanchevskii.

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Original Russian Text © O.Z. Yanchevskii, E.V. Pashkova, V.P. Ivanitskii, A.G. Belous, 2012, published in Neorganicheskie Materialy, 2012, Vol. 48, No. 6, pp. 700–705.

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Yanchevskii, O.Z., Pashkova, E.V., Ivanitskii, V.P. et al. Mössbauer and X-ray diffraction studies of cubic (ZrO2)0.90(Sc2O3)0.10 − x (Fe2O3) x solid solutions. Inorg Mater 48, 607–612 (2012). https://doi.org/10.1134/S0020168512060222

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  • DOI: https://doi.org/10.1134/S0020168512060222

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