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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</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">10.29235/1561-2430-2023-59-1-81-86</article-id><article-id custom-type="elpub" pub-id-type="custom">vestifm-705</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>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>Температурная зависимость ширины запрещенной зоны монокристаллов AgIn7S11</article-title><trans-title-group xml:lang="en"><trans-title>Temperature dependence of the band gap of AgIn7S11 single crystals</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>Боднарь Иван Васильевич – доктор химических наук, профессор кафедры проектирования информационно-компьютерных систем</p><p>ул. П. Бровки, 6, 220013, Минск</p></bio><bio xml:lang="en"><p>Ivan V. Bodnar – Dr. Sc. (Chemistry), Professor of the Department of Information and Computer Systems Design</p><p>6, P. Brovka Str., 220013, 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>Фещенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Feshchanka</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фещенко Артем Александрович – кандидат технических наук, доцент кафедры проектирования информационно-компьютерных систем</p><p>ул. П. Бровки, 6, 220013, Минск</p></bio><bio xml:lang="en"><p>Artsiom A. Feshchanka – Ph. D. (Engineering), As- sociate Professor of the Department of Information and Computer Systems Design</p><p>6, P. Brovka Str., 220013, 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. 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>Хорошко Виталий Викторович – кандидат технических наук, заведующий кафедрой проектирования информационно-компьютерных систем</p><p>ул. П. Бровки, 6, 220013, Минск</p></bio><bio xml:lang="en"><p>Vitaliy V. Khoroshko – Ph. D. (Engineering), Head of the Department of Information and Computer Systems Design</p><p>6, P. Brovka Str., 220013, Minsk</p></bio><email xlink:type="simple">Khoroshko@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>Павловский</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlovsky</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павловский Вячеслав Николаевич – кандидат физико-математических наук, доцент, ведущий научный сотрудник</p><p>пр. Независимости, 68-2, 220072, Минск</p></bio><bio xml:lang="en"><p>Vyacheslav N. Pavlovsky – Ph. D. (Physics and Mathe- matics), Associate Professor, Leading Researcher</p><p>68-2, Nezavisimosti Ave., 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>Свитенков</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Svitenkov</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Свитенков Илья Евгеньевич – научный сотрудник</p><p>пр. Независимости, 68-2, 220072, Минск</p></bio><bio xml:lang="en"><p>Ilya E. Svitenkov – Researcher</p><p>68-2, Nezavisimosti Ave., 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>Яблонский</surname><given-names>Г. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Yablonskii</surname><given-names>G. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Яблонский Геннадий Петрович – доктор физико-математических наук, профессор, заведующий центром</p><p>пр. Независимости, 68-2, 220072, Минск</p></bio><bio xml:lang="en"><p>Gennady P. Yablonskii – Dr. Sc. (Physics and Mathe- matics), Professor</p><p>68-2, Nezavisimosti Ave., 220072, 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 имени Б. И. Степанова Национальной академии наук 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>2023</year></pub-date><pub-date pub-type="epub"><day>03</day><month>04</month><year>2023</year></pub-date><volume>59</volume><issue>1</issue><fpage>81</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Боднарь И.В., Фещенко А.А., Хорошко В.В., Павловский В.Н., Свитенков И.Е., Яблонский Г.П., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Боднарь И.В., Фещенко А.А., Хорошко В.В., Павловский В.Н., Свитенков И.Е., Яблонский Г.П.</copyright-holder><copyright-holder xml:lang="en">Bodnar I.V., Feshchanka A.A., Khoroshko V.V., Pavlovsky V.N., Svitenkov I.E., Yablonskii G.P.</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://vestifm.belnauka.by/jour/article/view/705">https://vestifm.belnauka.by/jour/article/view/705</self-uri><abstract><p>Вертикальным методом Бриджмена выращены монокристаллы AgIn7S11. Методом рентгеноспектрального анализа определен их состав, рентгеновским методом – кристаллическая структура. Показано, что полученные монокристаллы кристаллизуются в кубической структуре шпинели. По спектрам пропускания в интервале температур 10–320 К определена ширина запрещенной зоны указанных монокристаллов и построена ее температурная зависимость. Данная зависимость имеет вид, характерный для большинства полупроводниковых материалов: с понижением температуры Eg возрастает. Показано, что расчетные и экспериментальные величины согласуются между собой.</p></abstract><trans-abstract xml:lang="en"><p>AgIn7S11 single crystals are herein grown by the vertical Bridgman method. The composition of the obtained single crystals is determined by X-ray microprobe analysis as well as the crystal structure – by X-ray diffraction analysis. It is shown that the obtained single crystals are crystallized in the cubic spinel structure. Using transmission spectra in the tem- perature range 10–320 K we determined the band gap of these single crystals and plotted its temperature dependence. This dependence is similar to that of the majority of semiconductor materials, namely, Eg increases with decreasing the tempera- ture. We showed the agreement of the calculated and experimental values.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>метод Бриджмена</kwd><kwd>монокристаллы</kwd><kwd>кристаллическая структура</kwd><kwd>спектры пропускания</kwd><kwd>ширина запрещенной зоны</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Bridgman method</kwd><kwd>single crystals</kwd><kwd>crystalline structure</kwd><kwd>transmission spectra</kwd><kwd>band gap</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">Chopra K., Das S. Thin Film Solar Cells. 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