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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">alternative</journal-id><journal-title-group><journal-title xml:lang="ru">Альтернативная энергетика и экология (ISJAEE)</journal-title><trans-title-group xml:lang="en"><trans-title>Alternative Energy and Ecology (ISJAEE)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-8298</issn><publisher><publisher-name>Международный издательский дом научной периодики "Спейс</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15518/isjaee.2021.04-06.126-138</article-id><article-id custom-type="elpub" pub-id-type="custom">alternative-2074</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>XVII. ОПТИЧЕСКИЕ ЯВЛЕНИЯ И УСТРОЙСТВА 38. ОПТИЧЕСКИЕ ЯВЛЕНИЯ И УСТРОЙСТВА</subject></subj-group></article-categories><title-group><article-title>Морфологические, структурные и оптические свойства микропорошков диоксида титана</article-title><trans-title-group xml:lang="en"><trans-title>Morphological, structural and optical properties of titanium dioxide micropowders</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>Рахматуллаев</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rakhmatullaev</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рахматуллаев Илёс Арзимуродович, доктор физико-математических наук</p><p>Ташкент</p></bio><bio xml:lang="en"><p>Rakhmatullaev Ilyos Arzimurodovich, Doctor of Sciences in Physics and Mathematics</p><p>Tashkent</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>Турсункулов</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tursunkulov</surname><given-names>O. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Турсункулов Ойбек Муйдинович, кандидат физико-математических наук</p><p>Ташкент</p></bio><bio xml:lang="en"><p>Tursunkulov Oybek Myudinovich, Doctor of Philosophy (Ph.D.) in Physics and Mathematics</p><p>Tashkent</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>Гусев</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusev</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гусев Александр Леонидович, учредитель и главный редактор Международного научного журнала «Альтернативная энергетика и экология»</p><p>Саров</p></bio><bio xml:lang="en"><p>Gusev Alexander Leonidovich, founder and editor-in-chief of the International scientific journal Alternative Energy and Ecology</p><p>Sarov</p></bio><email xlink:type="simple">gusev@hydrogen.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>Тукфатуллин</surname><given-names>О. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Tukfatullin</surname><given-names>O. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тукфатуллин Оскар Фаритович, доктор философии по техническим наукам</p><p>Ташкент</p></bio><bio xml:lang="en"><p>Tukfatullin Oskar Faritovich, Doctor of Philosophy (Ph.D.) in Technical Sciences</p><p>Tashkent</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>Курбонов</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurbonov</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курбонов Абдулла Кенжаевич, доктор философии по физико-математическим наукам</p><p>Карши</p></bio><bio xml:lang="en"><p>Kurbonov Abdulla Kenjaevich, Doctor of Philosophy (Ph.D.) in Physics and Mathematics</p><p>Karshi</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рахматуллаев</surname><given-names>М. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Rakhmatullaev</surname><given-names>M. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рахматуллаев Мубин Рахманович, кандидат физико-математических наук</p><p>Ташкент</p></bio><bio xml:lang="en"><p>Rakhmatullaev Mubin Rakhmanovich, Doctor of Philosophy (Ph.D.) in Physics and Mathematics</p><p>Tashkent</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>Кодиров</surname><given-names>М. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kodirov</surname><given-names>M. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кодиров Мумин Кодирович, доктор физико-математических наук</p><p>Ташкент</p></bio><bio xml:lang="en"><p>Kodirov Mumin Kodirovich, Doctor of Physical and Mathematical Sciences</p><p>Tashkent</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Давронов</surname><given-names>М. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Davronov</surname><given-names>M. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Давронов Мамуржон Хамроевич</p><p>Карши</p></bio><bio xml:lang="en"><p>Davronov Mamurjon Khamroyevich</p><p>Karshi</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Эшкулов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Eshkulov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эшкулов Абдугани Абайевич, кандидат физико-математических наук</p><p>Ташкент</p></bio><bio xml:lang="en"><p>Eshkulov Abdugani Abayevich, Doctor of Philosophy (Ph.D.) in Physics and Mathematics</p><p>Tashkent</p></bio><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центр передовых технологий при Министерстве инновационного развития Республики Узбекистан</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Center for Advanced Technologies under the Ministry of Innovative Development of the Republic of Uzbekistan</institution><country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-Технический Центр «ТАТА»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Group of Companies "Alternative Energy and Ecology" and "Hydrogen"</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Каршинский государственный университет</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Karshi State University</institution><country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Национальный университет Узбекистана имени Мирзо Улугбека</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>National University of Uzbekistan named after Mirzo Ulugbek</institution><country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Ташкентский государственный технический университет имени Ислама Каримова</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Tashkent State Technical University named after Islam Karimov</institution><country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>31</day><month>10</month><year>2021</year></pub-date><volume>0</volume><issue>4-6</issue><fpage>126</fpage><lpage>138</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Международный издательский дом научной периодики "Спейс, 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Международный издательский дом научной периодики "Спейс</copyright-holder><copyright-holder xml:lang="en">Международный издательский дом научной периодики "Спейс</copyright-holder><license xlink:href="https://www.isjaee.com/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.isjaee.com/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.isjaee.com/jour/article/view/2074">https://www.isjaee.com/jour/article/view/2074</self-uri><abstract><p>Работа посвящена комплексному экспериментальному исследованию морфологии, структуры и оптических свойств микропорошков диоксида титана с использованием комплекта современного физического оборудования. Описана методика получения спектров фотолюминесценции (ФЛ) и комбинационного рассеяния (КР) для микропорошков диоксида титана в микрорезонаторных кюветах (фотонных ловушках). Изучались порошки, состоящие из плотноупакованных частиц как в виде частиц сферической формы заданных размеров (29-63 мкм). В фотонных ловушках осуществлен определенный режим, который связан с пленением возбуждающего излучения внутри данного устройства. Показано, что при комнатной температуре наблюдается интенсивная фотолюминесценция в микропорошках диоксида титана (2,91 эВ) при возбуждении второй оптической гармоникой (λвозб = 255,3 нм) лазера на парах меди. Установлено, что в микропорошках диоксида титана в фотонных ловушках возможно наблюдение явления «комбинационной опалесценции», приводящей к резкому (на 5–6 порядков) возрастанию интенсивности КР в ультрадисперсной среде. Обнаружено, что незначительное количество присутствующих примесей кремния и алюминия в составе микропорошков диоксида титана не влияет на формировании полосы фотолюминесценции в области 2,91 эВ. Разработанный метод регистрации спектров ФЛ и КР открывает широкие возможности для регистрации слабых сигналов вторичного излучения важных неорганических и органических веществ, а также для создания малогабаритных лазерных анализаторов химических соединений, необходимых для решения многих практических задач.</p></abstract><trans-abstract xml:lang="en"><p>The work is devoted to a comprehensive experimental study of the morphology, structure and optical properties of titanium dioxide micropowders with several of modern analytical equipment. The method for obtaining photoluminescence (PL) and Raman scattering (RS) for titanium dioxide micropowders in microresonator cuvette (photon traps) was described. The powders consisting of close-packed particles in the shape of spherical particles of specified sizes (29-63 μm) were studied. In the photon traps, a certain mode is implemented, which is associated of trapping of the exciting radiation inside of device. It is shown that, at room temperature, intense photoluminescence in titanium dioxide micropowders (2.91 eV) was observed in excitation by the second optical harmonic (λexc = 255.3 nm) of a copper vapor laser. It has been established that in micropowders of titanium dioxide micropowders in photon traps, is possible to observe the phenomenon of "combination opalescence", which leads to the sharp (5–6 orders) increasing in the RS intensity in an ultradispersed medium. The high conversion efficiency of the exciting radiation into the RS signal is explained by the large value of the total path that the exciting radiation photon travels in the dispersed medium in the photon trap. It was found that an insignificant amount of silicon and aluminum impurities is present in titanium dioxide micropowders that not affect to formation of the photoluminescence band in the region of 2.91 eV. The developed method for recording PL and RS opens up wide possibilities for recording weak signals of secondary radiation that is important for inorganic and organic substances, as well as for creating small-sized laser analyzers of chemical compounds which is necessary for solving many practical problems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>диоксид титана</kwd><kwd>фотолюминесценция</kwd><kwd>комбинационное рассеяние</kwd><kwd>порошок</kwd><kwd>вторичное излучение</kwd><kwd>фотонная ловушка</kwd><kwd>спектр</kwd><kwd>дефекты</kwd><kwd>примесь</kwd><kwd>лазер</kwd><kwd>сканирующая электронная микроскопия</kwd><kwd>элементный анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>titanium dioxide</kwd><kwd>photoluminescence</kwd><kwd>Raman scattering</kwd><kwd>powder</kwd><kwd>secondary radiation</kwd><kwd>photon trap</kwd><kwd>spectrum</kwd><kwd>defects</kwd><kwd>impurity</kwd><kwd>laser</kwd><kwd>scanning electron microscopy</kwd><kwd>elemental analysis</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">Чапура О.М., Скоморохов А.А., Беляева Е.Н., Осипов А.Х., Ремаренко Н.С., Яс О.А. 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