Abstract:
Polycrystalline samples of SrFe$_{2/3}$W$_{1/3}$O$_{3}$ (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) $\mathring{\mathrm{A}}$, $c$ = 3.955(6) $\mathring{\mathrm{A}}$, 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 Fe$^{3+}$. It is suggested that in the temperature range of $T$ = 150–210$^{\circ}$C, a smeared phase transition from a cubic (paraelectric) phase to a tetragonal (ferroelectric) phase takes place in SFWO with decreasing temperature.
Citation:
A. V. Pavlenko, A. V. Turik, L. A. Shilkina, S. P. Kubrin, Yu. V. Rusalev, L. A. Reznichenko, I. N. Andryushina, “Preparation, structure, and dielectric and magnetic properties of SrFe$_{2/3}$W$_{1/3}$O$_{3}$ ceramics”, Fizika Tverdogo Tela, 60:3 (2018), 510–514; Phys. Solid State, 60:3 (2018), 515–519
\Bibitem{PavTurShi18}
\by A.~V.~Pavlenko, A.~V.~Turik, L.~A.~Shilkina, S.~P.~Kubrin, Yu.~V.~Rusalev, L.~A.~Reznichenko, I.~N.~Andryushina
\paper Preparation, structure, and dielectric and magnetic properties of SrFe$_{2/3}$W$_{1/3}$O$_{3}$ ceramics
\jour Fizika Tverdogo Tela
\yr 2018
\vol 60
\issue 3
\pages 510--514
\mathnet{http://mi.mathnet.ru/ftt9271}
\crossref{https://doi.org/10.21883/FTT.2018.03.45554.263}
\elib{https://elibrary.ru/item.asp?id=32739812}
\transl
\jour Phys. Solid State
\yr 2018
\vol 60
\issue 3
\pages 515--519
\crossref{https://doi.org/10.1134/S1063783418030216}
Linking options:
https://www.mathnet.ru/eng/ftt9271
https://www.mathnet.ru/eng/ftt/v60/i3/p510
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A. S. Anokhin, A. G. Razumnaya, A. V. Pavlenko, “Lattice dynamics of the strontium ferrotungstate in the temperature range 300–700 K”, Phys. Solid State, 62:12 (2020), 2434–2438
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