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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-35</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>***</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>***</subject></subj-group></article-categories><title-group><article-title>МЕХАНИЗМЫ UP-КОНВЕРСИОННОЙ ЛЮМИНЕСЦЕНЦИИ В СТЕКЛОКЕРАМИКЕ, СОДЕРЖАЩЕЙ НАНОКРИСТАЛЛЫ Er:PbF2</article-title><trans-title-group xml:lang="en"><trans-title>MECHANISMS OF UPCONVERSION LUMINESCENCE IN GLASS-CERAMICS CONTAINING Er:PbF2 NANOCRYSTALS</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>Лойко</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Loiko</surname><given-names>P. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Рачковская</surname><given-names>Г. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Rachkovskaya</surname><given-names>G. E.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скопцов</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Skoptsov</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Арзуманян</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Arzumanyan</surname><given-names>G. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулик</surname><given-names>М. .</given-names></name><name name-style="western" xml:lang="en"><surname>Kulik</surname><given-names>M. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куклин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuklin</surname><given-names>A. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Захаревич</surname><given-names>Г. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Zakharevich</surname><given-names>G. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юмашев</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yumashev</surname><given-names>K. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Маtеоs</surname><given-names>Х. .</given-names></name><name name-style="western" xml:lang="en"><surname>Mateos</surname><given-names>X. .</given-names></name></name-alternatives><email xlink:type="simple">xavier.mateos@urv.cat</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центр оптических материалов и технологий, Белорусский национальный технический университет</institution></aff><aff xml:lang="en"><institution>Center for Optical Materials and Technologies, Belarusian National Technical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный технологический университет</institution></aff><aff xml:lang="en"><institution>Belarusian State Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Объединенный институт ядерных исследований</institution></aff><aff xml:lang="en"><institution>Joint Institute for Nuclear Research</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Объединенный институт ядерных исследований; Московский физико-технический институт</institution></aff><aff xml:lang="en"><institution>Joint Institute for Nuclear Research; Moscow Institute of Physics and Technology</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Университет Ровира и Вергилия, кампус Сескеладес</institution></aff><aff xml:lang="en"><institution>Física i Cristal·lografia de Materials i Nanomaterials (FiCMA-FiCNA), Universitat Rovira i Virgili (URV), Campus Sescelades</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>84</volume><issue>1</issue><elocation-id>172(1)-172(8)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Лойко П.А., Рачковская Г.Е., Скопцов Н.А., Арзуманян Г.М., Кулик М..., Куклин А.И., Захаревич Г.Б., Юмашев К.В., Маtеоs Х..., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Лойко П.А., Рачковская Г.Е., Скопцов Н.А., Арзуманян Г.М., Кулик М..., Куклин А.И., Захаревич Г.Б., Юмашев К.В., Маtеоs Х...</copyright-holder><copyright-holder xml:lang="en">Loiko P.A., Rachkovskaya G.E., Skoptsov N.A., Arzumanyan G.M., Kulik M..., Kuklin A.I., Zakharevich G.B., Yumashev K.V., Mateos X...</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/35">https://zhps.ejournal.by/jour/article/view/35</self-uri><abstract><p>Прозрачные оксифторидные германатно-силикатные стеклокерамики, содержащие нанокристаллы PbF2:Er, синтезированы на основе исходных стекол системы SiO2-GeO2-PbO-PbF2, допированных Er2O3. Они характеризуются интенсивной желто-зеленой люминесценцией, которая усиливается в ~12 раз по отношению к исходному стеклу. Перераспределение интенсивности между полосами люминесценции в зеленой и красной областях спектра после термической обработки стекла интерпретировано на основе измерения времен жизни ионов Er3+ в возбужденных состояниях от4I11/2 до2H11/2. Обнаружено существенное увеличение времени жизни для состояния4F9/2, от 0.6 мкс для исходного стекла до 71 мкс для стеклокерамики. Для стеклокерамики зарегистрирована УФ up-конверсионная люминесценция. Обсуждаются механизмы up-конверсии для 11 переходов в УФ, синей, красной и ИК областях спектра. </p></abstract><trans-abstract xml:lang="en"><p>Transparent oxyfluoride germanosilicate glass-ceramics containing Er:PbF2 nanocrystals is synthesized on the basis of SiO2-GeO2-PbO-PbF2 initial glass doped with Er2O3. The glass-ceramics is characterized by yellow-green luminescence, the intensity of which is ~12-times higher than that for the initial glass. The redistribution of the intensity between green and red emission bands after the glass heat-treatment is explained using data of the lifetime measurements for six excited states of Er3+ ions from4I11/ 2  to2H11/ 2  . A substantial increase of the lifetime of the4F9/ 2  state (from 0.6 to 71 μs) is detected for the glass-ceramics as compared to the initial glass. UV up-conversion luminescence is observed for the glass-ceramics. The mechanisms of the up-conversion for 11 emission lines in the UV, blue, red, and deep-red spectral regions are discussed. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>оксифторидное стекло</kwd><kwd>стеклокерамика</kwd><kwd>ион эрбия</kwd><kwd>up-конверсия</kwd><kwd>затухание люминесценции</kwd><kwd>oxyfluoride glass</kwd><kwd>glass-ceramics</kwd><kwd>erbium ion</kwd><kwd>upconversion</kwd><kwd>luminescence decay</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">F. Auzel, D. Pecile, D. Morin, J. Electrochem. Soc., 122, 101-107 (1975).</mixed-citation><mixed-citation xml:lang="en">F. Auzel, D. Pecile, D. Morin, J. Electrochem. Soc., 122, 101-107 (1975).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">K. W. Krämer, D. Biner, G. Frei, H. U. Güdel, M. P. Hehlen, S. R. Lüthi, Chem. 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