Abstract
Polycrystalline samples of SrFe2/3W1/3O3 (SFWO) ceramic were obtained by solid-phase reactions with subsequent sintering using conventional ceramic technology. X-ray diffraction analysis showed that at room temperature, the SFWO ceramic is single-phase and has a perovskite-type structure with tetragonal symmetry and parameters a = 3.941(9) Å, c = 3.955(6) Å, and c/a = 1.0035. In studying the magnetic properties and the Mössbauer effect in SFWO ceramics, it is found that the material is a ferrimagnet, and the iron ions are only in the valence state of Fe3+. It is suggested that in the temperature range of T = 150–210°C, a smeared phase transition from a cubic (paraelectric) phase to a tetragonal (ferroelectric) phase takes place in SFWO with decreasing temperature.
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Original Russian Text © A.V. Pavlenko, A.V. Turik, L.A. Shilkina, S.P. Kubrin, Yu.V. Rusalev, L.A. Reznichenko, I.N. Andryushina, 2018, published in Fizika Tverdogo Tela, 2018, Vol. 60, No. 3, pp. 510–514.
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Pavlenko, A.V., Turik, A.V., Shilkina, L.A. et al. Preparation, Structure, and Dielectric and Magnetic Properties of SrFe2/3W1/3O3 Ceramics. Phys. Solid State 60, 515–519 (2018). https://doi.org/10.1134/S1063783418030216
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DOI: https://doi.org/10.1134/S1063783418030216