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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">nguphys</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский физический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>SIBERIAN JOURNAL OF PHYSICS</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9447</issn><publisher><publisher-name>Новосибирский государственный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25205/2541-9447-2020-15-2-97-104</article-id><article-id custom-type="elpub" pub-id-type="custom">nguphys-141</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>ФИЗИКА ТВЕРДОГО ТЕЛА, ПОЛУПРОВОДНИКОВ, НАНОСТРУКТУР</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SOLID-STATE AND SEMICONDUCTOR PHYSICS, PHYSICS OF NANOSTRUCTURES</subject></subj-group></article-categories><title-group><article-title>Роль фононов в стабильности металлических наночастиц</article-title><trans-title-group xml:lang="en"><trans-title>The Role of Phonons in Stability of Metallic Nanoparticles</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>Орлов</surname><given-names>В. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Орлов Владимир Леонидович, кандидат физико-математических наук </p><p>Барнаул</p><p> </p><p> </p></bio><bio xml:lang="en"><p>Vladimir L. Orlov, Candidate of Science (Physics and Mathematics) </p><p>Barnaul</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>Орлов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Орлов Алексей Владимирович, кандидат физико-математических наук </p><p>Ханты-Мансийск</p></bio><bio xml:lang="en"><p>Aleksey V. Orlov, Candidate of Science (Physics and Mathematics), the docent</p><p>Khanty-Mansiysk</p></bio><email xlink:type="simple">a_orlov@ugrasu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Независимый исследователь</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Independent Researcher</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Югорский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yugra State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>14</day><month>04</month><year>2021</year></pub-date><volume>15</volume><issue>2</issue><fpage>97</fpage><lpage>104</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Орлов В.Л., Орлов А.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Орлов В.Л., Орлов А.В.</copyright-holder><copyright-holder xml:lang="en">Orlov V.A., Orlov A.V.</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://nguphys.elpub.ru/jour/article/view/141">https://nguphys.elpub.ru/jour/article/view/141</self-uri><abstract><p>Предложена новая модель металлической наночастицы. Согласно модели наночастица представляет собой полую сферу. Существование нанополости внутри частицы связывается с особенностями поведения фононов. При нагревании частицы напряжения в ее стенках рассчитаны с учетом теории толстостенной оболочки. Показано, что при переходе к пластическому состоянию растягивающие напряжения на поверхности наночастицы оказываются достаточными для плавления. Обсуждается зависимость температуры плавления от размера наночастицы.</p></abstract><trans-abstract xml:lang="en"><p>A novel model of a metallic nanoparticle is proposed. The model represents the nanoparticle as a hollow sphere. The existence of a nanohollow inside a particle is related to the behavior of phonons. The strain in the walls of a particle when it's heated is calculated utilizing the theory of a thick-walled shell. We show that in the transition to the elastic state, the expansion strains at the surface of a nanoparticle become sufficient for melting. The dependency of melting temperature on the size of a nanoparticle is discussed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>металлические наночастицы</kwd><kwd>атомные колебания</kwd><kwd>фононы</kwd><kwd>оболочки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>metallic nanoparticles</kwd><kwd>atomic oscillations</kwd><kwd>phonons</kwd><kwd>shells</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">Суздалев И. П. Нанотехнология: физико-химия нанокластеров, наноструктур и наноматериалов. М.: КомКнига, 2006. 592 с.</mixed-citation><mixed-citation xml:lang="en">Suzdalev  I.  P.  Nanotechnology:  physical  chemistry  of  nanoclusters,  nanostructures  and nanomaterials. Moscow, Komkniga, 2006, 592 p. (in Russ.)</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Кобояси Н. 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