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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-162</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>ФОТОЛЮМИНЕСЦЕНЦИЯ В ВИДИМОЙ ОБЛАСТИ СПЕКТРА АКТИВИРОВАННОГО ТРЕХВАЛЕНТНЫМИ ИОНАМИ ПРАЗЕОДИМА ТИОГАЛЛАТА КАЛЬЦИЯ В ИНТЕРВАЛЕ ТЕМПЕРАТУР 10–300 К</article-title><trans-title-group xml:lang="en"><trans-title>PHOTOLUMINESCENCE OF CALCIUM THIOGALLATE ACTIVATED BY TRIVALENT PRASEODYMIUM IONS IN THE TEMPERATURE RANGE 10–300 K</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>ЛЕОНЕНЯ</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>LEANENIA</surname><given-names>M. S.</given-names></name></name-alternatives><email xlink:type="simple">max.leanenia@gmail.com</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>ЛУЦЕНКО</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>LUTSENKO</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">e.lutsenko@ifanbel.bas-net.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>РЖЕУЦКИЙ</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>RZHEUTSKI</surname><given-names>M. V.</given-names></name></name-alternatives><email xlink:type="simple">m.rzheutski@ifanbel.bas-net.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>PAVLOVSKII</surname><given-names>V. N.</given-names></name></name-alternatives><email xlink:type="simple">v.pavlovskii@ifanbel.bas-net.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>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><email xlink:type="simple">g.yablonskii@ifanbel.bas-net.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>НАГИЕВ</surname><given-names>Т. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>NAGHIYEV</surname><given-names>T. G.</given-names></name></name-alternatives><email xlink:type="simple">tural@nagiyev.net</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>ТАГИЕВ</surname><given-names>Б. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>TAGIEV</surname><given-names>B. G.</given-names></name></name-alternatives><email xlink:type="simple">bahadur34@mail.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>АБУШОВ</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>ABUSHEV</surname><given-names>S. A.</given-names></name></name-alternatives><email xlink:type="simple">said_abushov@yahoo.com</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>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><email xlink:type="simple">oktay58@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики им. Б. И. Степанова НАН Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики НАН Азербайджана, Баку</institution></aff><aff xml:lang="en"><institution>Institute of Physics of NAS of Azerbaijan, Baku</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Филиал МГУ им. М. В. Ломоносова в г. Баку, Баку</institution></aff><aff xml:lang="en"><institution>M. V. Lomonosov department of MSU in Baku, Baku</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>07</day><month>06</month><year>2016</year></pub-date><volume>59</volume><issue>6</issue><fpage>57</fpage><lpage>61</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ЛЕОНЕНЯ М.С., ЛУЦЕНКО Е.В., РЖЕУЦКИЙ Н.В., ПАВЛОВСКИЙ В.Н., ЯБЛОНСКИЙ Г.П., НАГИЕВ Т.Г., ТАГИЕВ Б.Г., АБУШОВ С.А., ТАГИЕВ О.Б., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">ЛЕОНЕНЯ М.С., ЛУЦЕНКО Е.В., РЖЕУЦКИЙ Н.В., ПАВЛОВСКИЙ В.Н., ЯБЛОНСКИЙ Г.П., НАГИЕВ Т.Г., ТАГИЕВ Б.Г., АБУШОВ С.А., ТАГИЕВ О.Б.</copyright-holder><copyright-holder xml:lang="en">LEANENIA M.S., LUTSENKO E.V., RZHEUTSKI M.V., PAVLOVSKII V.N., YABLONSKII G.P., NAGHIYEV T.G., TAGIEV B.G., ABUSHEV S.A., TAGIEV O.B.</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://doklady.belnauka.by/jour/article/view/162">https://doklady.belnauka.by/jour/article/view/162</self-uri><abstract><p>Изучена фотолюминесценция (ФЛ) халькогенидного полупроводникового соединения CaGa2S4:Pr3+ в интервале температур 10–300 К при возбуждении лазерными импульсами наносекундной длительности на длине волны 456 нм. Спектр ФЛ состоит из серии интенсивных линий на 494, 631, 654 и 741 нм, обусловленных электронными переходами в ионах празеодима с уровня 3Р0 на 3H4, 3H6, 3F2 и 3F4 соответственно. Установлено, что повышение концентрации ионов празеодима в CaGa2S4 с 3 до 7 ат. % приводит к двукратному возрастанию интегральной интенсивности ФЛ. Температурное тушение ФЛ соединения CaGa2S4:Pr3+ в диапазоне 10–300 К составило всего лишь 50 и 75 % для 7 и 3 ат. % празеодима соответственно. Установлено, что при 10 К временные постоянные затухания наиболее интенсивных линий ФЛ находятся в интервале τe = 3,5–4,5 мкс с незначительной по вкладу быстрой компонентой длительностью около 1 мкс при 300 К. С повышением температуры от 10 до 300 К наблюдается сокращение времен затухания не более чем на 0,1 мкс и появление в кинетиках затухания ФЛ быстрой компоненты длительностью от 2,15 до 1,1 мкс в интервале от 220 до 300 К.</p></abstract><trans-abstract xml:lang="en"><p>The photoluminescence (PL) of the chalcogenide semiconductor compound CaGa2S4:Pr3+ was studied in the temperature range 10–300 K under nanosecond pulsed laser excitation at 456 nm. The PL spectrum consists of a number of intense lines at 494, 631, 654 and 741 nm, formed by electronic transitions in praseodymium ions from 3P0 to 3H4, 3H6, 3F2 and 3F4 levels, respectively. It was found that the rise in the concentration of praseodymium ions in CaGa2S4:Pr3+ from 3 to 7 at. % resulted in a double increase of the PL intensity. Temperature quenching only by 50 and 75 % of the PL intensity of CaGa2S4:Pr3+ with 7 and 3 at. % Pr3+ ions concentration, respectively, was obtained in the range 10–300 K. It is shown that at 10 K the decay time constants of the most intense lines of the PL are between 3.9–4.8 μs. The decrease of the PL decay time constants by less than 0.1 μs with increasing the temperature up to 300 K and the appearance of a fast component with a duration constant of about 2.15–1.1 μs in the temperature range 220–300 K were obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тиогаллат кальция</kwd><kwd>празеодим</kwd><kwd>фотолюминесценция</kwd><kwd>редкоземельный элемент</kwd><kwd>температурное тушение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>calcium thiogallate</kwd><kwd>praseodymium</kwd><kwd>photoluminescence</kwd><kwd>rare earth element</kwd><kwd>temperature quenching</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">Spectroscopy and Lanthanide Impurity Level Locations in CaGa2S4:Ln3+ ( Ln = C e, P r, T b, E r, Tm) / A . 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