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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-15</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>ОПТИЧЕСКИЕ ХАРАКТЕРИСТИКИ МЕТАЛЛИЧЕСКИХ НАНОЧАСТИЦ ПРИ ИХ РАСПЛАВЛЕНИИ ЛАЗЕРНЫМ ИЗЛУЧЕНИЕМ</article-title><trans-title-group xml:lang="en"><trans-title>OPTICAL CHARACTERISTICS OF METALLIC NANOPARTICLES TAKING INTO ACCOUNT THEIR MELTING UNDER LASER RADIATION</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><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>Чумаков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Chumakov</surname><given-names>A. N.</given-names></name></name-alternatives><email xlink:type="simple">chumakov@imaph.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 им. Б. И. Степанова НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>84</volume><issue>1</issue><fpage>84</fpage><lpage>89</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пустовалов В.К., Чумаков А.Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Пустовалов В.К., Чумаков А.Н.</copyright-holder><copyright-holder xml:lang="en">Pustovalov V.K., Chumakov A.N.</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/15">https://zhps.ejournal.by/jour/article/view/15</self-uri><abstract><p>Теоретически рассчитаны и исследованы зависимости поперечных сечений и факторов эффективности поглощения, рассеяния и ослабления лазерного излучения с λ = 532 нм и в диапазоне 475-625 нм для двухслойных сферических наночастиц золота радиусами r00= 10, 25, 50, 75 и 100 нм при изменении радиуса твердого и жидкого ядра в интервале 0-r00. Установлено, что изменение оптических параметров наночастицы при изменении агрегатного состояния материала (плавлении) оказывает определяющее влияние на динамику нагрева наночастицы выше температуры плавления и последующие тепловые процессы. </p></abstract><trans-abstract xml:lang="en"><p>Cross-sections and efficiency factors of absorption, scattering, and attenuation of the laser radiation with a wavelength λ = 532 nm and in the wavelength range 475-625 nm for the two-layer spherical gold nanoparticles, which were partially melted, were calculated and studied theoretically for the particles with the radii r00 = 10, 25, 50, 75 and 100 nm assuming different ratios between shell and core in the range 0-r00. It was found that the changes in the optical parameters of nanoparticles with the changing of the aggregate state (melting) influences greatly on the heating dynamics of nanoparticles above the melting point and subsequent thermal processes. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастица</kwd><kwd>лазерное излучение</kwd><kwd>расплавление</kwd><kwd>оптические характеристики</kwd><kwd>nanoparticle</kwd><kwd>laser radiation</kwd><kwd>melting</kwd><kwd>optical characteristics</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">A. Schrand, B. Stacy, S. Payne, L. Dosser, S. Hussain. ACS Appl. Mater. Interfaces, 3, N 10 (2011) 3971-3980</mixed-citation><mixed-citation xml:lang="en">A. Schrand, B. Stacy, S. Payne, L. Dosser, S. Hussain. ACS Appl. Mater. 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