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Phase Relations in the SrO–Bi2O3–Fe2O3 System

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Abstract

The phase relations in the composition region SrFeO3 – δ–Fe2O3–BiFeO3 are studied in air by x-ray diffraction and electron microscopy. The 1000°C phase compatibility diagram is constructed. Sr1 – x Bi x FeO3 – δ solid solutions are prepared in the range 0 < x ≤ 0.8. Their lattice parameter is found to vary nonlinearly with x. Two new phases were identified: (Sr,Bi)3Fe4O y (tetragonal lattice, a= 3.907(2) Å, c= 27.30(2) Å) and Sr0.6Bi0.4FeO3 – δ (tetragonal lattice,a = 5.555(2) Å, c= 11.848(5) Å).

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Authors and Affiliations

  1. Moscow State University, Moscow, 119992, Russia

    D. D. Zaitsev, P. E. Kazin & Yu. D. Tret'yakov

  2. Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569, Stuttgart 80, Germany

    M. Jansen

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  1. D. D. Zaitsev
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  2. P. E. Kazin
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  3. Yu. D. Tret'yakov
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  4. M. Jansen
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Zaitsev, D.D., Kazin, P.E., Tret'yakov, Y.D. et al. Phase Relations in the SrO–Bi2O3–Fe2O3 System. Inorganic Materials 39, 1319–1323 (2003). https://doi.org/10.1023/B:INMA.0000008921.35132.a9

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  • DOI: https://doi.org/10.1023/B:INMA.0000008921.35132.a9

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