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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2022-20-8-5-13</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3517</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭЛЕКТРОНИКА, РАДИОФИЗИКА, РАДИОТЕХНИКА, ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTRONICS, RADIOPHYSICS, RADIOENGINEERING, INFORMATICS</subject></subj-group></article-categories><title-group><article-title>Особенности кристаллической структуры и магнитных характеристик твердых растворов систем Ni1–xMxMnSb (M = Fe, Co)</article-title><trans-title-group xml:lang="en"><trans-title>Features of the Crystal Structure and Magnetic Characteristics of the Solid Solutions Ni1–xMxMnSb (M = Fe, Co) Systems</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Римский</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Rymski</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Римский Григорий Семёнович, научный сотрудник лаборатории физики магнитных материалов</p><p>220072, г. Минск, ул. П. Бровки, 19</p><p>Тел. +375 17 378-12-38</p></bio><bio xml:lang="en"><p>Rymski G. S., Researcher at the Laboratory of Physics of Magnetic Materials</p><p>220072, Minsk, P. Brovka St., 19</p><p>Tel. +375 17 378-12-38</p></bio><email xlink:type="simple">gregory.rymski@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федосюк</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedosyuk</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федосюк В. М., чл.-кор. Национальной академии наук Беларуси, д.ф.-м.н., генеральный директор</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Fedosyuk V. M., Corr. Member of the National Academy of Sciences of Belarus, Dr. of Sci. (Phys. and Math.), General Director of Scientific-Practical Materials Research Center </p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Руткаускас</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rutkauskas</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Руткаускас А. В., к.ф.-м.н., научный сотрудник лаборатории нейтронной физики имени И. М. Франк</p><p>г. Дубна</p></bio><bio xml:lang="en"><p>Rutkauskas A.  V., Cand. of Sci., Researcher at Frank Laboratory of Neutron Physics of the Joint Institute for Nuclear Research</p><p>Dubna</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дюжева-Мальцева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Duzeva-Maltseva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Национальный исследовательский центр «Курчатовский институт»</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Duzeva-Maltseva E. V., Research Laboratory Assistant at the Department of Neutron Experimental Facilities </p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Туан</surname><given-names>А. Ч.</given-names></name><name name-style="western" xml:lang="en"><surname>Tuan</surname><given-names>A. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Туан Ань Чан, д.т.н. факультета прикладных наук</p><p>г. Хошимин</p></bio><bio xml:lang="en"><p>Tuan Anh Tran, Dr. of Sci. (Eng.) of Applied Sciences Faculty</p><p>Ho Chi Minh</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нгок</surname><given-names>Т. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Ngoc</surname><given-names>T. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нгок Тоан Данг, д.ф.-м.н. факультета экологических и естественных наук</p><p>г. Дананг</p></bio><bio xml:lang="en"><p>Ngoc Toan Dang, Dr. of Sci. (Phys. and Math.) of the Faculty of Environmental and Natural Sciences</p><p>Danang</p></bio><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГО «Научно-практический центр Национальной академии наук Беларуси по материаловедению»</institution></aff><aff xml:lang="en"><institution>SSPA “Scientific-Practical Materials Research Center of National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Объединенный институт ядерных исследований</institution></aff><aff xml:lang="en"><institution>Joint Institute for Nuclear Research</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный исследовательский центр «Курчатовский институт»</institution></aff><aff xml:lang="en"><institution>National Research Center “Kurchatov Institute”</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Технологический и образовательный университет Хошимина</institution></aff><aff xml:lang="en"><institution>Ho Chi Minh City University of Technology and Education</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Университет Дуй Тан</institution></aff><aff xml:lang="en"><institution>Duy Tan University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>03</day><month>01</month><year>2023</year></pub-date><volume>20</volume><issue>8</issue><fpage>5</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Римский Г.С., Федосюк В.М., Руткаускас А.В., Дюжева-Мальцева Е.В., Туан А., Нгок Т., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Римский Г.С., Федосюк В.М., Руткаускас А.В., Дюжева-Мальцева Е.В., Туан А., Нгок Т.</copyright-holder><copyright-holder xml:lang="en">Rymski G.S., Fedosyuk V.M., Rutkauskas A.V., Duzeva-Maltseva E.V., Tuan A., Ngoc T.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://doklady.bsuir.by/jour/article/view/3517">https://doklady.bsuir.by/jour/article/view/3517</self-uri><abstract><p>Представлены результаты исследования влияния на кристаллическую структуру и магнитные свойства соединений на основе NiMnSb при замещении катионов Ni на катионы Fe и Co. Твердые растворы систем Ni1–xMxMnSb (M = Fe, Co) синтезированы методом твердофазных реакций. С помощью рентгеноструктурного анализа установлено наличие концентрационного структурного перехода. Пондеромоторным методом обнаружено, что температуры фазового превращения «магнитный порядок – магнитный беспорядок» снижаются по мере замещения никеля железом и кобальтом. Полевые зависимости удельной намагниченности демонстрируют типичное поведение магнитомягкого ферромагнетика. Приведены результаты эксперимента по изучению кристаллической и магнитной структуры твердых растворов систем Ni0,90M0,10MnSb (M = Fe, Co) с помощью дифракции тепловых нейтронов в интервале температур (3–300) K. Обнаружено, что исследуемые составы обладают ферромагнитным упорядочением вдоль оси с. На спектрах твердых растворов Ni0,90Co0,10MnSb в области 2Θ = 28,6° наблюдается появление рефлекса, указывающего на формирование антиферромагнитного упорядочения. В рамках теории функционала плотности проведен ab initio расчет магнитных моментов для Ni1–xMxMnSb (M = Fe, Co; x = 0; 0,125; 0,250). Результаты теоретических расчетов предсказывают существование магнитных моментов у ионов Fe и Co, и они антиферромагнитно связаны со спинами ионов Mn и Ni.</p></abstract><trans-abstract xml:lang="en"><p>The results of studying the effect on the crystal structure and magnetic properties of compounds based on NiMnSb when Ni cations are replaced by Fe and Co cations are presented. The solid solution Ni1–xMxMnSb (M = Fe, Co) systems were synthesized by the method of solid-phase reactions. With the help of X-ray diffraction analysis, the presence of a concentration structural transition was established. Using the ponderomotive method, it was found that the temperatures of the “magnetic order – magnetic disorder” phase transformation decrease as nickel is replaced by iron and cobalt. The field dependences of the specific magnetization demonstrate the typical behavior of a magnetically soft ferromagnet. The results of an experiment on the study of the crystal and magnetic structure of solid solutions of the Ni0.90M0.10MnSb (M = Fe, Co) systems using thermal neutron diffraction in the temperature range of ~(3–300) K are presented. It is found that the studied compositions exhibit ferromagnetic ordering along the c axis. On the spectra of Ni0.90Co0.10MnSb solid solutions in the region of 2Θ  = 28.6° the appearance of a reflection indicating the formation of antiferromagnetic ordering is observed. Within the framework of the density functional theory, an ab initio calculation of the magnetic moments for Ni1-xMxMnSb (M = Fe, Co; x = 0; 0.125; 0.250) was carried out. The results of theoretical calculations predict the existence of magnetic moments for Fe and Co ions, and they are antiferromagnetically coupled to the spins of Mn and Ni ions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>интерметаллиды</kwd><kwd>рентгеновская дифракция</kwd><kwd>намагниченность</kwd><kwd>дифракция нейтронов</kwd><kwd>кристаллическая и магнитная структуры</kwd><kwd>ab initio расчет</kwd></kwd-group><kwd-group xml:lang="en"><kwd>intermetallics</kwd><kwd>potential diffraction</kwd><kwd>magnetization</kwd><kwd>neutron diffraction</kwd><kwd>crystal and magnetic structures</kwd><kwd>ab initio calculation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках совместного гранта «БРФФИ-РФФИ M-2021» (грант  № Т21РМ-029 и № 20-52-04003 Бел_мол_а).</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of a joint grant “BRFFR-RFBR M-2021” (grant  No T21RM-029 and No 20-52-04003 Bel_mol_a).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hirohata A., Yamada K., Nakatani Y., Prejbeanu I.-L., Dieny B., Pirro P., Hillebrands B. 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