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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2019-125-7-95-100</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-2148</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>СЕКЦИЯ 4. МАТЕРИАЛЫ И ТЕХНОЛОГИИ ПРОИЗВОДСТВА ДИСПЛЕЕВ</subject></subj-group></article-categories><title-group><article-title>ОПТИЧЕСКИЕ СВОЙСТВА МНОГОСЛОЙНЫХ ПЕРИОДИЧЕСКИХ СТРУКТУР BaTiO3: Eu/SiO2</article-title><trans-title-group xml:lang="en"><trans-title>THE OPTICAL PROPERTIES OF MULTILAYER PERIODIC STRUCTURES BaTiO3:Eu/SiO2</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>Парафинюк</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Parafinyuk</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистрант кафедры микро- и наноэлектроники</p></bio><bio xml:lang="en"><p>Master student of the Microand Nanoelectronic Department</p><p>220013, Republic of Belarus, Minsk, P. Brovki st., 6</p><p>tel. +375-17-293-88-75</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>Гапоненко</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gaponenko</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гапоненко Николай Васильевич, д.ф.-м.н., профессор, заведующий НИЛ 4.5 НИЧ</p><p>220013, Республика Беларусь, г. Минск, ул. П. Бровки, д. 6</p><p>тел. +375-17-293-88-75</p></bio><bio xml:lang="en"><p>Gaponenko Nikolay Vasilyevich, D.Sci, professor, head of SRL 4.5 R&amp;D Department</p><p>220013, Republic of Belarus, Minsk, P. Brovki st., 6</p><p>tel. +375-17-293-88-75</p></bio><email xlink:type="simple">nik@nano.bsuir.edu.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>Райченок</surname><given-names>Т. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Raichenok</surname><given-names>T. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Т.Ф., к.ф.-м.н., ведущий научный сотрудник Центра «Фотоника атомных и молекулярных структур»</p></bio><bio xml:lang="en"><p>PhD, leading researcher of the Center «Photonics of Atomic and Molecular Structures»</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики им. Б.И. Степанова Национальной академии наук Республики Беларусь</institution></aff><aff xml:lang="en"><institution>B.I.Stepanov Institute of Physics of National Academy of Science of Belarus Minsk</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>06</day><month>12</month><year>2019</year></pub-date><volume>0</volume><issue>7 (125)</issue><issue-title>Спецвыпуск</issue-title><fpage>95</fpage><lpage>100</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Парафинюк Д.А., Гапоненко Н.В., Райченок Т.Ф., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Парафинюк Д.А., Гапоненко Н.В., Райченок Т.Ф.</copyright-holder><copyright-holder xml:lang="en">Parafinyuk D.A., Gaponenko N.V., Raichenok T.F.</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.bsuir.by/jour/article/view/2148">https://doklady.bsuir.by/jour/article/view/2148</self-uri><abstract><p>В работе представлены результаты исследования оптических свойств многослойных структур (брэгговских отражателей). Представлены спектры пропускания, отражения, люминесценции, возбуждения и кинетики люминесценции для брэгговских отражателей, сформированных на кварце с 6 и 12 чередующимися слоями BaTiO3:Eu/SiO2. Структуры демонстрируют фотонную запрещенную зону и ее смещение в длинноволновую область при увеличении числа пар слоев. В структурах наблюдается люминесценция европия с наиболее интенсивной полосой 615 нм. Обнаружено снижение интенсивности люминесценции европия при увеличении числа пар слоев в структуре.</p></abstract><trans-abstract xml:lang="en"><p>This paper presents the study of the optical properties of multilayer periodic structures, such as Bragg reflector, with different synthesis conditions. Transmission, reflection, luminescence, luminescence excitation spectra and kinetics of luminescence are presented for the Bragg reflectors formed on quartz with 6 and 12 alternating layers BaTiO3:Eu/SiO2. The structures demonstrate photonic band gap and its long wavelength shift with increasing number of layers. Europium luminescence with the most intensive band at 615 nm is observed from the structures. A decrease in the luminescence intensity with increasing the number of pairs of the layers in the structure is observed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>интерференционные фильтры</kwd><kwd>брэгговские отражатели</kwd><kwd>люминесценция</kwd><kwd>европий</kwd><kwd>золь-гель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>interference filters</kwd><kwd>Bragg reflectors</kwd><kwd>luminescence</kwd><kwd>europium</kwd><kwd>sol-gel</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">Almeida, Rui M., and Sabine Portal. Photonic band gap structures by sol–gel processing. 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