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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">10.47612/0514-7506-2022-89-4-505-510</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-1090</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>Фотолюминесценция нанолюминофоров CaAl2O4:Eu3+ в широком интервале температур и уровней   лазерного возбуждения</article-title><trans-title-group xml:lang="en"><trans-title>Photoluminescence of Nanophosphors CaAl2O4:Eu3+ in a Wide Interval of Temperatures and Levels   of 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>Тагиев</surname><given-names>О. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Tagiev</surname><given-names>O. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баку</p><p> </p></bio><bio xml:lang="en"><p>Baku</p></bio><email xlink:type="simple">oktay58@mail.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>Урманов</surname><given-names>Б. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Urmanov</surname><given-names>B. D.</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 contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Леоненя</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Leonenia</surname><given-names>M. S.</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 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>Минск</p></bio><bio xml:lang="en"><p>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>Ибрагимов</surname><given-names>Х. Дж.</given-names></name><name name-style="western" xml:lang="en"><surname>Ibrahimov</surname><given-names>H. J.</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>Институт физики НАН Азербайджана; Московский государственный университет, Бакинский филиал</institution></aff><aff xml:lang="en"><institution>Institute  of Physics of the National Academy of Sciences of Azerbaijan; Baku Branch of Lomonosov Moscow State University</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><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт нефтехимических процессов НАН Азербайджана</institution></aff><aff xml:lang="en"><institution>Institute of Petrochemical Processes  of National Academy of Sciences of Azerbaijan</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>27</day><month>07</month><year>2022</year></pub-date><volume>89</volume><issue>4</issue><fpage>505</fpage><lpage>510</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тагиев О.Б., Урманов Б.Д., Леоненя М.С., Яблонский Г.П., Ибрагимов Х.Д., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Тагиев О.Б., Урманов Б.Д., Леоненя М.С., Яблонский Г.П., Ибрагимов Х.Д.</copyright-holder><copyright-holder xml:lang="en">Tagiev O.B., Urmanov B.D., Leonenia M.S., Yablonskii G.P., Ibrahimov H.J.</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/1090">https://zhps.ejournal.by/jour/article/view/1090</self-uri><abstract><p>Изучены спектры возбуждения и фотолюминесценции нанолюминофоров CaAl2O4:Eu3+ в широком интервале температур 10—300 К и уровней лазерного возбуждения от 40 до 2.3 · 103 кВт/см2. Спектры фотолюминесценции CaAl2O4:Eu3+ имеют форму узких линий и расположены в диапазоне 550—750 нм видимого спектра. Установлена чрезвычайно высокая устойчивость положения и формы спектров фотолюминесценции исследуемых нанопорошков при высоких уровнях лазерного возбуждения до 2.3 · 103 кВт/см2 при постоянной эффективности люминесценции до 60 кВт/см2. Дальнейшее увеличение уровня возбуждения приводит к обратимому падению эффективности фотолюминесценции. Порог необратимого падения эффективности люминесценции не достигнут.</p></abstract><trans-abstract xml:lang="en"><p> We study the spectra of excitation and photoluminescence of CaAl2O4:Eu3+ nanoluminophores in a wide interval of temperatures and laser excitation levels from 40 to 2.3 · 103 kW/cm2. The photoluminescence spectra of CaAl2O4:Eu3+ have the shape of narrow lines and are located in the region 550–750 nm of the visible spectrum. An extremely high stability of the position and shape of the photoluminescence spectra of  nanopowders under investigation is established at high levels of laser excitation up to 2.3 · 103 kW/cm2  at a constant luminescence efficiency up to 60 kW/cm2. A further increase in the excitation level leads to  a reversible drop in the photoluminescence efficiency. The threshold of an irreversible drop in the luminescence efficiency has not been reached.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нанолюминофор</kwd><kwd>редкоземельный элемент</kwd><kwd>спектр фотолюминесценции</kwd><kwd>спектр возбуждения фотолюминесценции</kwd><kwd>температурное тушение</kwd><kwd>высокий уровень возбуждения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanoluminophore</kwd><kwd>rare-earth ion</kwd><kwd>photoluminescence spectra</kwd><kwd>photoluminescence excitation spectra</kwd><kwd>high excitation level</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Фонда развития науки при Президенте Республики Азербайджан (грант № EIF-BGM-3-BRFTF-2+(2017)-393).</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">C. F. Klingshirn. 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