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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">najo</journal-id><journal-title-group><journal-title xml:lang="en">Nanosystems: Physics, Chemistry, Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Наносистемы: физика, химия, математика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8054</issn><issn pub-type="epub">2305-7971</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">najo-1245</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="en"><subject>PHYSICS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ФИЗИКА</subject></subj-group></article-categories><title-group><article-title>Universal interatomic potential for pure metals</article-title><trans-title-group xml:lang="ru"><trans-title>Универсальный потенциал взаимодействия для чистых металлов</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>Зализняк</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Zalizniak</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="en"><p>Victor Zalizniak – Associate Professor, PhD</p></bio><email xlink:type="simple">vzalizniak@sfu-kras.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>Золотов</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zolotov</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="en"><p>Oleg Zolotov – Associate Professor, PhD</p></bio><email xlink:type="simple">ozolot_@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Сибирский Федеральный Университет<country>Россия</country></aff><aff xml:lang="en">Siberian Federal University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>20</day><month>08</month><year>2025</year></pub-date><volume>3</volume><issue>1</issue><fpage>76</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Zalizniak V.E., Zolotov O.A., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Зализняк В.Е., Золотов О.А.</copyright-holder><copyright-holder xml:lang="en">Zalizniak V.E., Zolotov O.A.</copyright-holder><license 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://nanojournal.ifmo.ru/jour/article/view/1245">https://nanojournal.ifmo.ru/jour/article/view/1245</self-uri><abstract><p>A new interatomic potential for metals based on the embedded atom method is proposed in this paper. Some approximation of electron density distribution is suggested from the basic principles of quantum mechanics. The form of this distribution defines not only the pair potential but also the particular form of embedding energy function. To describe various metal properties one should choose only two parameters of the electron density distribution. The parameters are determined empirically by fitting to the equilibrium lattice constant, sublimation energy, vacancy formation energy and elastic constants. Potential parameters for Al(fcc), Fe(bcc) and Mg(hcp) are presented. Potential is expressed by simple functions and can be used in molecular dynamics simulations of large atomic systems.</p></abstract><trans-abstract xml:lang="ru"><p>Предлагается новый подход к построению потенциала взаимодействия для металлов на основе метода вложенного атома. Из основных принципов квантовой механики задаётся аппроксимация распределения электронной плотности атомов, из которой следует не только парный потенциал взаимодействия, но и конкретный вид функции вложенной энергии. Для описания свойств конкретного металла требуется подобрать только два параметра распределения электронной плотности. Подбор этих параметров осуществляется из условия устойчивости равновесной решётки для экспериментальных значений параметров решётки и с использованием экспериментальных значений энергии связи, энергии образования вакансии и упругих постоянных. Приводятся потенциалы взаимодействия для трёх металлов с различными кристаллическими структурами: Al(ГЦК), Fe(ОЦК) и Mg(ГПУ). Общий вид потенциала имеет простую аналитическую форму и может использоваться для моделирования больших атомных систем в рамках метода молекулярной динамики.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>потенциал межатомного взаимодействия</kwd><kwd>метод вложенного атома</kwd></kwd-group><kwd-group xml:lang="en"><kwd>interatomic potential</kwd><kwd>embedded atom method</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">Daw M.S. and Baskes M.I. Semiempirical, quantum mechanical calculation of hydrogen embrittlement in metals // Phys. Rev. Letters. — 1983. — 50(17). — 1285.</mixed-citation><mixed-citation xml:lang="en">Daw M.S. and Baskes M.I. Semiempirical, quantum mechanical calculation of hydrogen embrittlement in metals // Phys. Rev. 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