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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">10.47612/0514-7506-2022-89-6-894-896</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-1183</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>Оптические свойства монокристаллов FeGaInS4 при лазерном возбуждении</article-title><trans-title-group xml:lang="en"><trans-title>Optical Properties of FeGaInS4 Single Crystals Under Laser Excitation</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>Нифтиев</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Niftiyev</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баку</p></bio><bio xml:lang="en"><p>Baku</p></bio><email xlink:type="simple">namiq7@bk.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>Дашдемиров</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Dashdemirov</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баку</p></bio><bio xml:lang="en"><p>Baku</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>Мамедов</surname><given-names>Ф. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mammadov</surname><given-names>F. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баку</p></bio><bio xml:lang="en"><p>Baku</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>Мамедов</surname><given-names>Р. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamedov</surname><given-names>R. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баку</p></bio><bio xml:lang="en"><p>Baku</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Азербайджанский государственный педагогический университет</institution></aff><aff xml:lang="en"><institution>Azerbaijan State Pedagogical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Азербайджанский государственный педагогический университет;&#13;
Институт катализа и неорганической химии им. академика М. Нагиева НАН Азербайджана</institution></aff><aff xml:lang="en"><institution>Azerbaijan State Pedagogical University;&#13;
Institute of Catalysis and Inorganic Chemistry Academician M. Nagiyev National Academy of Sciences of Azerbaijan</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Бакинский государственный университет</institution></aff><aff xml:lang="en"><institution>Baku State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>01</day><month>12</month><year>2022</year></pub-date><volume>89</volume><issue>6</issue><fpage>894</fpage><lpage>896</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нифтиев Н.Н., Дашдемиров А.О., Мамедов Ф.М., Мамедов Р.М., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Нифтиев Н.Н., Дашдемиров А.О., Мамедов Ф.М., Мамедов Р.М.</copyright-holder><copyright-holder xml:lang="en">Niftiyev N.N., Dashdemirov A.O., Mammadov F.M., Mamedov R.M.</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/1183">https://zhps.ejournal.by/jour/article/view/1183</self-uri><abstract><p>Экспериментально исследованы фотолюминесценция, релаксация фототока и люкс-амперная характеристика фотопроводимости в монокристаллах FeGaInS4 при возбуждении излучением второй гармоники импульсного YAG:Nd3+ -лазера. Показано, что полоса фотолюминесценции может быть связана с рекомбинацией зон на примеси или рекомбинацией донорно-акцепторных пар. Уменьшение времени жизни при возбуждении обусловлено высокой концентрацией неравновесных носителей заряда, генерируемых мощным лазерным излучением. Дано объяснение люкс-амперной характеристики фотопроводимости. </p></abstract><trans-abstract xml:lang="en"><p>We experimentally investigated photoluminescence, photocurrent relaxation, and the lux-ampere characteristic of photoconductivity in FeGaInS4 single crystals upon second-harmonic excitation by a pulsed YAG:Nd3+ laser. It is shown that the photoluminescence band can be associated with the recombination of bands on impurity or the recombination of donor-acceptor pairs. The decrease in the lifetime upon excitation is due to the high concentration of nonequilibrium carriers generated by high-power laser radiation. An explanation of the lux-ampere characteristic of photoconductivity is given. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерное возбуждение</kwd><kwd>фотолюминесценция</kwd><kwd>релаксация фототока</kwd><kwd>люксамперная характеристика</kwd><kwd>монокристаллы FeGaInS4</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser excitation</kwd><kwd>photoluminescence</kwd><kwd>photocurrent relaxation</kwd><kwd>lux-ampere characteristic</kwd><kwd>FeGaInS4 single crystals</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">Y. Hwang, J. Choi, Y. Ha, S. Cho, H. Park. Curr. Appl. Phys., 20 (2020) 212—218</mixed-citation><mixed-citation xml:lang="en">Y. Hwang, J. Choi, Y. Ha, S. Cho, H. Park. Curr. Appl. Phys., 20 (2020) 212—218</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">H. Kim, A. P. 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