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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">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8358-2022-67-2-135-143</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-731</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>МАТЕРИАЛОВЕДЕНИЕ, МЕТАЛЛУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIALS SCIENCES AND ENGINEERING, METALLURGY</subject></subj-group></article-categories><title-group><article-title>Условия синтеза, кристаллическая структура и магнитные свойства селенидов Mn–Tm–Se</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis conditions, crystal structure and magnetic properties of Mn–Tm–Se selenides</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>Аплеснин</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Aplesnin</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аплеснин Сергей Степанович – доктор физико-математических наук, ведущий научный сотрудник лаборатории теоретической физики</p><p>ул. Академгородок, 50, 660036, Красноярск</p></bio><bio xml:lang="en"><p>Sergey S. Aplesnin – D. Sc. (Physics and Mathematics), Leading Researcher of the Laboratory of Theoretical Physics</p><p>50, Akademgorodok Str., 660036, Krasnoyarsk</p></bio><email xlink:type="simple">apl@iph.krasn.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>Романова</surname><given-names>О. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanova</surname><given-names>O. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Романова Оксана Борисовна – кандидат физико-математических наук, старший научный сотрудник лаборатории резонансных свойств магнитоупорядоченных веществ</p><p>ул. Академгородок, 50, 660036, Красноярск</p></bio><bio xml:lang="en"><p>Oksana B. Romanova – Ph. D. (Physics and Mathematics), Senior Researcher of the Laboratory of Resonant Properties of Magnetically Ordered Substances</p><p>50, Akademgorodok Str., 660036, Krasnoyarsk</p></bio><email xlink:type="simple">rob@iph.krasn.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>Галяс</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Galyas</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галяс Анатолий Иванович – кандидат физико-математических наук, старший научный сотрудник лаборатории физики магнитных материалов</p><p>ул. П. Бровки, 19-5, 220072, Минск</p></bio><bio xml:lang="en"><p>Anatoly I. Galyas – Ph. D. (Physics and Mathematics), Senior Researcher of the Laboratory of Physics of Magnetic Materials</p><p>19, room 5, P. Brovka Str., 220072, Minsk</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>Живулько</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhivulko</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Живулько Алена Михайловна – кандидат физикомате матических наук, старший научный сотрудник лаборатории физики магнитных материалов</p><p>ул. П. Бровки, 19-5, 220072, Минск</p></bio><bio xml:lang="en"><p>Aliona M. Zhivulko – Ph. D. (Physics and Mathematics), Senior Researcher of the Laboratory of Physics of Magnetic Materials</p><p>19, room 5, P. Brovka Str., 220072, Minsk</p></bio><email xlink:type="simple">alyona_panasevich@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Янушкевич</surname><given-names>К. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanushkevich</surname><given-names>K. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янушкевич Казимир Иосифович – доктор физико-математических наук, старший научный сотрудник лаборатории физики магнитных материалов</p><p>ул. П. Бровки, 19-5, 220072, Минск</p></bio><bio xml:lang="en"><p>Kazimir I. Yanushkevich – D. Sc. (Physics and Mathematics), Senior Researcher of the Laboratory of Physics of Magnetic Materials</p><p>19, room 5, P. Brovka Str., 220072, Minsk</p></bio><email xlink:type="simple">k.yanushkevitch@yandex.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики имени Л. В. Киренского Сибирского отделения Российской академии наук</institution></aff><aff xml:lang="en"><institution>Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch Russian Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-практический центр Национальной академии наук Беларуси по материаловедению</institution></aff><aff xml:lang="en"><institution>Scientific-Practical Materials Research Center of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>07</month><year>2022</year></pub-date><volume>67</volume><issue>2</issue><fpage>135</fpage><lpage>143</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аплеснин С.С., Романова О.Б., Галяс А.И., Живулько А.М., Янушкевич К.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Аплеснин С.С., Романова О.Б., Галяс А.И., Живулько А.М., Янушкевич К.И.</copyright-holder><copyright-holder xml:lang="en">Aplesnin S.S., Romanova O.B., Galyas A.I., Zhivulko A.M., Yanushkevich K.I.</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://vestift.belnauka.by/jour/article/view/731">https://vestift.belnauka.by/jour/article/view/731</self-uri><abstract><p>Методом реакций в твердой фазе синтезированы однофазные составы в квазибинарном разрезе MnSe–TmSe. Кристаллическая структура поликристаллических порошков изучена в CuKα-излучении. Установлено,</p><p>что образцы в интервале концентраций 0  x  0,7 имеют кубическую структуру пространственной группы Fm m3 . Изменение концентрации катионов Tm в составах Mn1–xTmxSe приводит к увеличению параметра a элементарной кристаллической ячейки от 0,547 нм для состава Mn0,975Tm0,025Se до 0,566 нм у состава Mn0,3Tm0,7Se. Методом «flash» на подложках оптически прозрачного стекла синтезированы тонкие слои твердых растворов Mn1–xTmxSe. Толщины пленок заключены в интервале значений от 0,8 до 3,2 мкм. Установлено, что пленки Mn1–xTmxSe также обладают синго-</p><p>нией NaCl, S.G.: Fm m3 . Состав пленок Mn1–xTmxSe соответствует химическому составу порошков шихты MnSe–TmSe. В интервале температур ~ 80–900 К измерены величины удельной намагниченности и магнитной восприимчивости исследуемых селенидов. Полученные результаты позволяют определить температурные режимы синтеза новых магнитных полупроводниковых веществ, в том числе в пленочном состоянии. Синтезированные вещества могут быть использованы в устройствах микроэлектроники многофункционального назначения, а также при разработке новых материалов, способных работать в широких интервалах температур и при воздействии внешних магнитных полей.</p></abstract><trans-abstract xml:lang="en"><p>Single-phase compositions in the MnSe–TmSe quasi-binary section have been synthesized by the method of reactions in the solid phase. The crystal structure of polycrystalline powders has been studied in CuKα-radiation. It was found that the samples in the concentration range 0  x  0.7 have a cubic structure of the space group Fm m3 . An increase in the concentration of Tm cations in the Mn1–xTmxSe compositions leads to an increase in the unit cell parameter a from 0.547 nm for the Mn0.975Tm0.025Se compound to 0.566 nm for the Mn0.3Tm0.7Se composition. Thin layers of Mn1–xTmxSe solid solutions were synthesized by the flash method on optically transparent glass substrates. The film thicknesses are in the range of values from 0.8 to 3.2 µm. It has been established that Mn1–xTmxSe films also have the system NaCl, S.G.: Fm m3 . The composition of the Mn1–xTmxSe films corresponds to the chemical composition of the MnSe–TmSe charge powders. In the temperature range ~ 80–900 K, the va lues of the specific magnetization and magnetic susceptibility of the studied selenides were measured. The results obtained make it possible to determine the temperature regimes for the synthesis of new magnetic semiconductor substances, including those in the film state. The synthesized substances can be used in multifunctional microelectronic devices, as well as in the development of new materials capable of operating in wide temperature ranges and under the influence of external magnetic fields.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>халькогениды</kwd><kwd>твердые растворы</kwd><kwd>кристаллическая структура</kwd><kwd>магнитные свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chalcogenides</kwd><kwd>solid solutions</kwd><kwd>crystal structure</kwd><kwd>magnetic properties</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Белорусского республиканского фонда фундаментальных исследований (проект № Т20Р-052) и Российского фонда фундаментальных исследований (проект №20-52-00005 Bel_a).</funding-statement><funding-statement xml:lang="en">This work was supported by the Belarusian Republican Foundation for Basic Research (project no. 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