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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-369</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>ТРАНСФОРМАЦИЯ И ФОРМИРОВАНИЕ РАДИАЦИОННЫХ ТОЧЕЧНЫХ ДЕФЕКТОВ В ОБЛУЧЕННЫХ КРИСТАЛЛАХ ФТОРИДА ЛИТИЯ ПОСЛЕ ИХ МЕХАНИЧЕСКОЙ ФРАГМЕНТАЦИИ</article-title><trans-title-group xml:lang="en"><trans-title>TRANSFORMATION AND FORMATION OF RADIATION-INDUCED POINT DEFECTS IN IRRADIATED LITHIUM FLUORIDE CRYSTALS AFTER THEIR MECHANICAL FRAGMENTATION</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>Войтович</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Voitovich</surname><given-names>A. P.</given-names></name></name-alternatives><email xlink:type="simple">a.voitovich@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>Калинов</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinov</surname><given-names>V. S.</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>Машко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mashko</surname><given-names>V. 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>Новиков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikov</surname><given-names>A. N.</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>Рунец</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Runets</surname><given-names>L. P.</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>Ступак</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Stupak</surname><given-names>A. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></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 of Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>1</issue><fpage>71</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Войтович А.П., Калинов В.С., Машко В.В., Новиков А.Н., Рунец Л.П., Ступак А.П., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Войтович А.П., Калинов В.С., Машко В.В., Новиков А.Н., Рунец Л.П., Ступак А.П.</copyright-holder><copyright-holder xml:lang="en">Voitovich A.P., Kalinov V.S., Mashko V.V., Novikov A.N., Runets L.P., Stupak A.P.</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/369">https://zhps.ejournal.by/jour/article/view/369</self-uri><abstract><p>Показано, что в нанокристаллах, изготовленных механической фрагментацией облученных кристаллов LiF, происходят изменения концентраций обычных и формирование прикластерных радиационных дефектов (центров окраски). Концентрации прикластерных центров после фрагментации увеличиваются до стационарного значения и при комнатной температуре остаются постоянными в течение длительного времени. Установлено, что воздействие УФ излучения на изготовленные нанокристаллы после завершения в них процессов формирования центров значительно увеличивает концентрацию прикластерных дефектов, содержащих три анионные вакансии и два электрона. Продемонстрировано, что в необлученных нанокристаллах, изготовленных фрагментацией необлученных кристаллов, присутствуют одновакантные центры окраски, а также обычные и прикластерные агрегатные центры.</p></abstract><trans-abstract xml:lang="en"><p>It is shown that changes in the concentrations of usual radiation defects and formation of near-cluster radiation defects (color centers) occur in nanocrystals fabricated by mechanical fragmentation of irradiated LiF crystals. Concentrations of near-cluster color centers increase to a stationary value after fragmentation and remain constant at room temperature for a long time. It has been established that influence of UV radiation on fabricated nanocrystals after termination of center formation processes in them significantly increases the concentration of near-cluster defects containing three anion vacancies and two electrons. It is demonstrated that there are single-vacant color centers as well as usual and near-cluster aggregate color centers in unirradiated nanocrystals fabricated by fragmentation of unirradiated crystals. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>нанокристаллы фторида лития</kwd><kwd>нанокластеры</kwd><kwd>радиационные точечные дефекты</kwd><kwd>трансформация дефектов</kwd><kwd>фотолюминесценция</kwd><kwd>lithium fluoride nanocrystals</kwd><kwd>nanoclusters</kwd><kwd>radiation point defects</kwd><kwd>defects transformation</kwd><kwd>and photoluminescence</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">W. B. Fowler. Physics of Color Centers, Academic Press, New York (1968)</mixed-citation><mixed-citation xml:lang="en">W. B. Fowler. 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