Crystal structure and magnetic properties of solid solutions Bi0,88 Sm0,12Fe1–xTixO3
https://doi.org/10.29235/1561-8323-2026-70-2-153-160
Abstract
Solid solutions of bismuth ferrite, in which Bi and Fe ions are replaced by Sm and Ti ions, with the general chemical formula Bi0.88Sm0.12Fe1–xTixO3 were obtained by solid-phase reactions. Crystal structure analysis, based on X-ray diffraction data and Raman spectroscopy results, indicates the coexistence of rhombohedral and orthorhombic phases in the studied compounds in the concentration range 0 ≤ x ≤ 0.1. It is shown that at room temperature, the residual magnetization of the compounds increases with increasing Ti ion concentration, reaching a maximum value at x = 0.08. With a further increase in the titanium ion concentration, a slight decrease in the residual magnetization is observed. It was found that a decrease in temperature leads to a decrease in the magnitude of magnetization caused by the Dzyaloshinskii–Moriya interaction, which is accompanied by a change in the lengths and angles of the Fe–O–Fe bonds and distortions of the FeO6 octahedra.
About the Authors
D. V. Karpinsky
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus
Belarus
Belarus
Karpinsky Dmitry V. – D. Sc. (Physics and Mathematics), Assistant Professor, Head of the Laboratory, Deputy Director
19, P. Brovka Str., 220072, Minsk
M. M. Pryadko
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus
Belarus
Belarus
Pryadko Matvey M. – Junior Researcher
19, P. Brovka Str., 220072, Minsk
D. V. Zheludkevich
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus
Belarus
Belarus
Zheludkevich Dmitry V. – Junior Researcher
19, P. Brovka Str., 220072, Minsk
S. I. Latushko
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus
Belarus
Belarus
Latushko Siarhei I. – Junior Researcher
19, P. Brovka Str., 220072, Minsk
T. V. Latushko
Belarusian State Medical University
Belarus
Belarus
Latushko Tatiana V. – Ph. D. (Мedicine), Assistant Professor
Dzerzhinski Ave., 83, 220083, Minsk
А. N. Chobot
Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus
Belarus
Belarus
Chobot Aleksandra N. – Ph. D. (Physics and Mathematics), Senior Researcher
19, P. Brovka Str., 220072, Minsk
S. N. Pastushonok
Military Academy of the Republic of Belarus
Belarus
Belarus
Pastushonok Sofija N. – Ph. D. (Physics and Mathematics), Assistant Professor
220, Nezavisimosti Ave., 220057, Minsk
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