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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 custom-type="elpub" pub-id-type="custom">zhps-644</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 И ПРОПУСКАНИЯ КЕРАМИЧЕСКОЙ ШПИНЕЛИ MgAl2O4</article-title><trans-title-group xml:lang="en"><trans-title>INFRARED REFLECTION AND TRANSMISSION SPECTRA OF MgAl2O4 CERAMIC SPINEL</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>Гольева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Golieva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>St. Petersburg</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>Дунаев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dunaev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>St. Petersburg</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>Маркова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Markova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тверь</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пахомов</surname><given-names>П. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Pakhomov</surname><given-names>P. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тверь</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хижняк</surname><given-names>С. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Khizhnyk</surname><given-names>S. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тверь</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чмель</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Chmel</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">chmel@mail.ioffe.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Государственный оптический институт им. С. И. Вавилова; Санкт-Петербургский политехнический университет Петра Великого</institution></aff><aff xml:lang="en"><institution>S. I. Vavilov State Optical Institute; Peter the Great St. Petersburg Polytechnic&#13;
University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Государственный оптический институт им. С. И. Вавилова</institution></aff><aff xml:lang="en"><institution>S. I. Vavilov State Optical Institute</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Тверской государственный университет</institution></aff><aff xml:lang="en"><institution>Tver’ State University</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Физико-технический институт им. А. Ф. Иоффе Российской АН</institution></aff><aff xml:lang="en"><institution>Ioffe Institute</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2020</year></pub-date><volume>87</volume><issue>3</issue><fpage>434</fpage><lpage>447</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гольева Е.В., Дунаев А.А., Маркова А.И., Пахомов П.М., Хижняк С.Д., Чмель А.Е., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Гольева Е.В., Дунаев А.А., Маркова А.И., Пахомов П.М., Хижняк С.Д., Чмель А.Е.</copyright-holder><copyright-holder xml:lang="en">Golieva E.V., Dunaev A.A., Markova A.I., Pakhomov P.M., Khizhnyk S.D., Chmel A.E.</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/644">https://zhps.ejournal.by/jour/article/view/644</self-uri><abstract><p>ИК спектры керамики из алюмомагниевой шпинели (АМШ, MgAl2O4) зарегистрированы в широких областях 50—1000 см–1 (отражение) и 1000—5000 см–1 (пропускание). В дополнение к спектру отражения АМШ зарегистрирован спектр кристалла a-Al2O3 в области структурных полос. Сравнительный анализ позволяет уточнить происхождение ряда полос в спектре, который представляет собой комбинацию колебаний, локализованных в октаэдрах AlO6 и тетраэдрических ячейках MgO4 и AlO4. Проведено сравнение спектров керамик, полученных двумя различными методами синтеза — методом гидролиза двойного изопропилата магния-алюминия и модифицированным методом Печини.</p></abstract><trans-abstract xml:lang="en"><p>The infrared spectra of magnesium aluminate spinel (MAS, MgAl2O4) ceramic are recorded in a wide range from 50 to 1000 cm–1 (reflectivity) and 1000–5000 cm–1 (transmittance). In addition to the MAS reflectivity spectrum, the IR reflection spectrum of a-Al2O3 is recorded in the range of structural bands. A comparative analysis permits to clarify the origin of the series of structural bands in the spectrum, which is composed of vibrations localized in either octahedra AlO6 or tetrahedral MgO4 and AlO4 cells. A comparison of the spectra is carried out for two MAS ceramics synthesized both by the hydrolysis of double Mg-Al isopropylate method and the modified Pechini method.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>керамика MgAl2O4</kwd><kwd>гидролиз двойного изопропилата Mg-Al</kwd><kwd>модифицированный метод Печини</kwd><kwd>ИК спектры отражения/пропускания</kwd></kwd-group><kwd-group xml:lang="en"><kwd>MgAl2O4 ceramics</kwd><kwd>hydrolysis of double Mg-Al isopropylate</kwd><kwd>modified Pechini method</kwd><kwd>IR reflection and transmission spectra</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Минобрнауки Российской Федерации в рамках выполнения государственных работ в сфере научной деятельности (проект № 4.5508.2017/БЧ) на оборудовании Центра коллективного пользования Тверского государственного университета, а также Российского фонда фундаментальных исследований (проект № 18-08-00359a).</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">I. 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