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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-725</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>Стимулированное излучение в тонких пленках Cu(In,Ga)Se2, облученных протонами</article-title><trans-title-group xml:lang="en"><trans-title>Stimulated emission of thin Cu(In,Ga)Se2 films irradiated by protons</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>Свитенков</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Svitsiankou</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>220072, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</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>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><bio xml:lang="ru"><p>220072, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</p></bio><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>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><bio xml:lang="ru"><p>220072, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</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>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>220072, Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</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>Мудрый</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mudryi</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</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>Бородавченко</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Borodavchenko</surname><given-names>О. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</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>Живулько</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhivulko</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск.</p></bio><bio xml:lang="en"><p>Minsk, 220072.</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>Якушев</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakushev</surname><given-names>М. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатеринбург.</p></bio><bio xml:lang="en"><p>Ekaterinburg, 620002.</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 Беларуси</institution></aff><aff xml:lang="en"><institution>B.I. Stepanov Institute Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-практический центр НАН Беларуси по материаловедению</institution></aff><aff xml:lang="en"><institution>Scietific Practical Materials Research Centre of National Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт физики металлов имени М.Н. Михеева УрО РАН; Уральский федеральный университет</institution></aff><aff xml:lang="en"><institution>M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences; Ural Federal University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2020</year></pub-date><volume>87</volume><issue>6</issue><fpage>905</fpage><lpage>910</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Свитенков И.Е., Павловский В.Н., Луценко Е.В., Яблонский Г.П., Мудрый А.В., Бородавченко О.М., Живулько В.Д., Якушев М.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Свитенков И.Е., Павловский В.Н., Луценко Е.В., Яблонский Г.П., Мудрый А.В., Бородавченко О.М., Живулько В.Д., Якушев М.В.</copyright-holder><copyright-holder xml:lang="en">Svitsiankou I.E., Pavlovskii V.N., Lutsenko E.V., Yablonskii G.P., Mudryi A.V., Borodavchenko О.M., Zhivulko V.D., Yakushev М.V.</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/725">https://zhps.ejournal.by/jour/article/view/725</self-uri><abstract><p>Исследованы спонтанное и стимулированное излучение (СИ) тонких пленок Cu(In,Ga)Se2, осажденных на натрийсодержащие стеклянные подложки и облученных протонами с энергиями 2.5 кэВ дозами 1014—1017 см-2 при возбуждении импульсами лазерного излучения наносекундной длительности в диапазоне плотности мощности 5—100 кВт/см2. В пленках, облученных протонами с дозами 1014—1015 см-2, обнаружено увеличение интенсивности и уменьшение порога появления СИ по сравнению с необлученными пленками. При дозе облучения 1016 см-2 наблюдаются увеличение порога СИ и уменьшение интенсивности. После облучения дозой 1017 см-2 интенсивность излучения резко падает и порог СИ не достигается. Обсуждаются возможные причины наблюдаемых эффектов.</p></abstract><trans-abstract xml:lang="en"><p>Spontaneous and stimulated emission (SE) of thin Cu(In,Ga)Se2 films, deposited on sodium-containing glass substrates and irradiated by protons with an energy of 2.5 keV and doses of 1014—1017 cm-2, were investigated upon excitation by nanosecond laser pulses with the power density from 5 to 100 kW/cm2. An increase in the intensity and a decrease in the SE threshold appearance were found for the films, irradiated by protons with doses of 1014—1015 cm-2, in comparison with non-irradiated films. An increase in the SE threshold and a decrease in the intensity of SE and spontaneous emission were observed at the irradiation dose of 1016 cm-2. After a dose of 1017 cm-2 the intensity of emission decreased sharply and the SE threshold was not reached. Possible reasons of the observed effects are discussed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Cu(In</kwd><kwd>Ga)Se2</kwd><kwd>тонкая пленка</kwd><kwd>облучение протонами</kwd><kwd>доза</kwd><kwd>дефект</kwd><kwd>фотолюминесценция</kwd><kwd>стимулированное излучение</kwd><kwd>солнечный элемент</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Cu(In</kwd><kwd>Ga)Se2</kwd><kwd>thin film</kwd><kwd>proton irradiation</kwd><kwd>dose</kwd><kwd>defect</kwd><kwd>photoluminescence</kwd><kwd>stimulated emission</kwd><kwd>solar cell</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена по заданиям ГПНИ “Фотоника, опто- и микроэлектроника 2.1.01”, проекта Белорусского республиканского фонда фундаментальных исследований Ф20М-058 и госзадания Министерства образования РФ (“Спин” № АААА-А18-118020290104-2).</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">М. 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