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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">10.47612/0514-7506-2022-89-4-587-590</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-1101</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Инфракрасные спектры отражения твердых растворов (FeIn2S4)х•(In2S3)1-х</article-title><trans-title-group xml:lang="en"><trans-title>Infrared Reflection Spectra of Solid Solutions (FeIn2S4)х•(In2S3)1-х</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><email xlink:type="simple">chemzav@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. В.</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-1"/></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><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>28</day><month>07</month><year>2022</year></pub-date><volume>89</volume><issue>4</issue><fpage>587</fpage><lpage>590</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Боднарь И.В., Хорошко В.В., Кароза А.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Боднарь И.В., Хорошко В.В., Кароза А.Г.</copyright-holder><copyright-holder xml:lang="en">Bodnar I.V., 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/1101">https://zhps.ejournal.by/jour/article/view/1101</self-uri><abstract><p>На однородных монокристаллах твердых растворов (FeIn2S4)х·(In2S3)1–х, выращенных методом направленной кристаллизации расплава (вертикальным методом Бриджмена), исследованы  ИК-спектры отражения в области 50—450 см–1. Определены частоты поперечных (ωТO) и продольных (ωLO) оптических фононов, а также их коэффициенты затухания. Построены концентрационные зависимости указанных параметров и установлен характер их поведения.</p></abstract><trans-abstract xml:lang="en"><p>On homogeneous monocrystals of solid solutions (FeIn2S4)х·(In2S3)1–х, grown by the method of directional melt crystallization (vertical Bridgman method), IR reflection spectra in the frequency range of  50—450 cm–1 were studied. The frequencies of transverse (ωTO) and longitudinal (ωLO) optical phonons, as well as their damping coefficients, were determined. The concentration dependences of the mentioned parameters were constructed and the nature of their behavior was established.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>метод Бриджмена</kwd><kwd>монокристалл</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>monocrystals</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">Современные проблемы полупроводниковой фотоэнергетики, под ред. Т. Коутса, Москва, Мир (1988)</mixed-citation><mixed-citation xml:lang="en">Современные проблемы полупроводниковой фотоэнергетики, под ред. Т. 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