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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 pub-id-type="doi">10.47612/0514-7506-2022-89-4-470-476</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-1085</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>Зависимости оптических характеристик двухслойных  металл-диэлектрик сферических наночастиц от температуры</article-title><trans-title-group xml:lang="en"><trans-title>Dependence of Optical Properties of Two-Layered Metal- Dielectric Spherical Nanoparticles on Temperature</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>Пустовалов</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Pustovalov</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</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>Астафьева</surname><given-names>Л. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Astafyeva</surname><given-names>L. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">astafev@dragon.bas-net.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский национальный технический университет</institution></aff><aff xml:lang="en"><institution>Belarusian National Technical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><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>2022</year></pub-date><pub-date pub-type="epub"><day>26</day><month>07</month><year>2022</year></pub-date><volume>89</volume><issue>4</issue><fpage>470</fpage><lpage>476</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пустовалов В.К., Астафьева Л.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Пустовалов В.К., Астафьева Л.Г.</copyright-holder><copyright-holder xml:lang="en">Pustovalov V.K., Astafyeva L.G.</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/1085">https://zhps.ejournal.by/jour/article/view/1085</self-uri><abstract><p>Теоретически рассчитаны и исследованы зависимости факторов эффективности поглощения излучения сферическими наночастицами системы ядро–оболочка c материалами золото–кварц и кварц–золото с радиусами ядра r0 = 40, 50, 60, 70 нм и толщиной оболочки Δr1 = 10, 20, 30 нм в диапазоне длин волн 300—3000 нм при температурах частиц и окружающего кварца Т = 300, 1173 К. Установлено значительное изменение поглощения излучения наночастицей при возрастании температур наночастиц и окружающей среды. Изменение оптических характеристик наночастиц оказывает определяющее влияние на эффективность поглощения энергии солнечного или оптического излучения наночастицами, температуру нагрева наночастиц и окружающей среды и последующие тепловые процессы. Результаты представляют интерес для целей создания высокотемпературных твердотельных наноструктурированных абсорберов солнечного излучения, содержащих поглощающие излучение наночастицы, а также при создании новых материалов для высокотемпературной нанофотоники.</p></abstract><trans-abstract xml:lang="en"><p>The dependences of the efficiency factors of radiation absorption by spherical hybrid nanoparticles  of the core-shell system, respectively, with gold-quartz and quartz-gold materials with core radii r0 = 40, 50, 60, 70 nm and shell thicknesses Δr1 = 10, 20, 30 nm in the wavelength range of 300–3000 nm at temperatures of particles and surrounding quartz T = 300, 1173 K are theoretically calculated and studied. Essential change of radiation absorption by a nanoparticle is established with an increase of temperatures of nanoparticles and environment. The change of optical properties of nanoparticles significantly influences the efficiency of energy absorption of solar or optical radiation by nanoparticles, heating temperature of nanoparticles and environment and further thermal processes. The results are interesting for purposes of creation of high-temperature solid nanostructured absorbers of solar radiation containing absorbing radiation  of a nanoparticle and also for creation of new materials for high-temperature nanophotonics. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастица</kwd><kwd>оптические свойства</kwd><kwd>температура</kwd><kwd>солнечное излучение</kwd><kwd>абсорбер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanoparticle</kwd><kwd>optical properties</kwd><kwd>temperature</kwd><kwd>solar radiation</kwd><kwd>absorber</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">M. Amjad, G. Raza, Y. 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