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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47612/0514-7506-2022-89-5-646-650</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-1130</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ИНФРАКРАСНЫЕ СПЕКТРЫ ОТРАЖЕНИЯ ТВЕРДЫХ РАСТВОРОВ MnxFe1–xIn2S4</article-title><trans-title-group xml:lang="en"><trans-title>INFRARED REFLECTION SPECTRA OF MnxFe1–xIn2S4 SOLID SOLUTIONS</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>Боднарь</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bodnar</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><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>Фещенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Feshchenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">faa@bsuir.by</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>Хорошко</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khoroshko</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><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>Кароза</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Karoza</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics 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>24</day><month>09</month><year>2022</year></pub-date><volume>89</volume><issue>5</issue><fpage>646</fpage><lpage>650</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Боднарь И.В., Фещенко А.А., Хорошко В.А., Кароза А.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Боднарь И.В., Фещенко А.А., Хорошко В.А., Кароза А.Г.</copyright-holder><copyright-holder xml:lang="en">Bodnar I.V., Feshchenko A.A., Khoroshko V.V., Karoza A.G.</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://zhps.ejournal.by/jour/article/view/1130">https://zhps.ejournal.by/jour/article/view/1130</self-uri><abstract><p>Методом направленной кристаллизации (горизонтальным методом Бриджмена) выращены крупноблочные кристаллы тройных соединений FeIn2S4, MnIn2S4 и твердых растворов MnxFe1–xIn2S4. Структура полученных кристаллов определена методом рентгенодифракционного анализа. Показано, что как исходные соединения, так и твердые растворы на их основе кристаллизуются в кубической структуре шпинели. Исследованы ИК-спектры отражения в области 50—500 см–1 полученных кристаллов тройных соединений FeIn2S4, MnIn2S4 и твердых растворов MnxFe1–xIn2S4. Определены частоты поперечных (ωТO) и продольных (ωLO) оптических фононов. Построены концентрационные зависимости указанных параметров и установлен характер их поведения.</p></abstract><trans-abstract xml:lang="en"><p>Large-block crystals of FeIn2S4, MnIn2S4 ternary compounds and MnxFe1–xIn2S4 solid solutions are grown by the method of directional crystallization (horizontal Bridgman method). The structure of the obtained crystals is determined by X-ray diffraction analysis. It is shown that both the starting compounds and solid solutions based on them crystallize in the cubic spinel structure. The IR reflection spectra in the frequency range 50–500 cm–1 of crystals of ternary compounds FeIn2S4, MnIn2S4 and solid solutions MnxFe1–xIn2S4 are studied. The frequencies of transverse (ωTO) and longitudinal (ωLO) optical phonons are determined. The concentration dependences of these parameters are plotted and the nature of their behavior is established</p></trans-abstract><kwd-group xml:lang="ru"><kwd>метод Бриджмена</kwd><kwd>твердый раствор</kwd><kwd>кристаллическая структура</kwd><kwd>частота</kwd><kwd>поперечные и продольные фононы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Bridgman method</kwd><kwd>solid solutions</kwd><kwd>crystal structure</kwd><kwd>frequency</kwd><kwd>transverse and longitudinal phonons</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">К. П. Белов, Ю. Д. Третьяков, И. В. Гордеев. 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