danДоклады Национальной академии наук БеларусиDoklady of the National Academy of Sciences of Belarus1561-83232524-2431The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8323-2026-70-2-153-160dan-1305Research ArticleТЕХНИЧЕСКИЕ НАУКИTECHNICAL SCIENCESКристаллическая структура и магнитные свойства твердых растворов Bi0,88 Sm0,12Fe1–xTixO3Crystal structure and magnetic properties of solid solutions Bi0,88 Sm0,12Fe1–xTixO3КарпинскийД. В.KarpinskyD. V.

Карпинский Дмитрий Владимирович – д-р физ.-мат. наук, доцент, заведующий лабораторией, заместитель директора

ул. П. Бровки, 19, 220072, Минск

Karpinsky Dmitry V. – D. Sc. (Physics and Mathematics), Assistant Professor, Head of the Laboratory, Deputy Director

19, P. Brovka Str., 220072, Minsk

karpinsky@ifttp.bas-net.byПрядкоМ. М.PryadkoM. M.

Прядко Матвей Максимович – мл. науч. сотрудник

ул. П. Бровки, 19, 220072, Минск

Pryadko Matvey M. – Junior Researcher

19, P. Brovka Str., 220072, Minsk

Matvey_pryadko@mail.ruЖелудкевичДж. В.ZheludkevichD. V.

Желудкевич Дмитрий Викторович – мл. науч. сотрудни

ул. П. Бровки, 19, 220072, Минск

Zheludkevich Dmitry V. – Junior Researcher

19, P. Brovka Str., 220072, Minsk

geludkevichdima@mail.ruЛатушкоС. И.LatushkoS. I.

Латушко Сергей Игоревич – мл. науч. cотрудник

ул. П. Бровки, 19, 220072, Минск

Latushko Siarhei I. – Junior Researcher

19, P. Brovka Str., 220072, Minsk

latushkasi@gmail.comЛатушкоТ. В.LatushkoT. V.

Латушко Татьяна Викторовна – канд. мед. наук, доцент

пр. Дзержинского, 83, 220083, Минск

Latushko Tatiana V. – Ph. D. (Мedicine), Assistant Professor

Dzerzhinski Ave., 83, 220083, Minsk

latushkatv@gmail.comЧоботА. Н.ChobotА. N.

Чобот Александра Николаевна – канд. физ.-мат. наук, ст. науч. сотрудник

ул. П. Бровки, 19, 220072, Минск

Chobot Aleksandra N. – Ph. D. (Physics and Mathematics), Senior Researcher

19, P. Brovka Str., 220072, Minsk

a.n.chobot@tut.byПастушонокС. Н.PastushonokS. N.

Пастушонок Софья Николаевна – канд. физ.-мат. наук, доцент

пр. Независимости, 220, 220057, Минск

Pastushonok Sofija N. – Ph. D. (Physics and Mathematics), Assistant Professor

220, Nezavisimosti Ave., 220057, Minsk

sn195333@gmail.comНаучно-практический центр Национальной академии наук Беларуси по материаловедениюScientific-Practical Materials Research Centre of the National Academy of Sciences of BelarusБелорусский государственный медицинский университетBelarusian State Medical UniversityВоенная академия Республики БеларусьMilitary Academy of the Republic of Belarus202604052026702153160Copyright © Карпинский Д.В., Прядко М.М., Желудкевич Д.В., Латушко С.И., Латушко Т.В., Чобот А.Н., Пастушонок С.Н., 20262026Карпинский Д.В., Прядко М.М., Желудкевич Д.В., Латушко С.И., Латушко Т.В., Чобот А.Н., Пастушонок С.Н.Karpinsky D.V., Pryadko M.M., Zheludkevich D.V., Latushko S.I., Latushko T.V., Chobot А.N., Pastushonok S.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://doklady.belnauka.by/jour/article/view/1305

Твердые растворы феррита висмута, в которых ионы Bi и Fe замещены ионами Sm и Ti, с общей химической формулой Bi0,88Sm0,12Fe1–xTixO3 получены методом твердофазных реакций. Анализ кристаллической структуры, проведенный на основании рентгеноструктурных данных, а также результатов спектроскопии комбинационного рассеяния, свидетельствует о сосуществовании ромбоэдрической и орторомбической фаз в исследуемых составах в концентрационной области 0 ≤ x ≤ 0,1. Показано, что при комнатной температуре остаточная намагниченность составов увеличивается с увеличением концентрации ионов Ti, достигая максимального значения при x = 0,08. При дальнейшем увеличении концентрации ионов титана наблюдается незначительное уменьшение остаточной намагниченности. Установлено, что понижение температуры приводит к уменьшению величины намагниченности, обусловленной взаимодействием Дзялошинского–Мории, что сопровождается изменением длин и углов связей Fe–O–Fe и искажениями октаэдров FeO6.

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.

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The authors declare that there are no conflicts of interest present.