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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">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2020-4-24-28</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-286</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>ЭЛЕКТРОННАЯ СТРУКТУРА, МАГНИТНЫЕ СВОЙСТВА И СТАБИЛЬНОСТЬ СПЛАВОВ ГЕЙСЛЕРА Mn2Co1−x VxZ (Z = Al, Ga)</article-title><trans-title-group xml:lang="en"><trans-title>ELECTRONIC STRUCTURE, MAGNETIC PROPERTIES AND STABILITY OF HEUSLER ALLOYS Mn2Co1−x VxZ (Z = Al, Ga)</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>Абуова</surname><given-names>Ф. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Abuova</surname><given-names>F. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нур-Султан</p></bio><bio xml:lang="en"><p>Nur-Sultan</p></bio><email xlink:type="simple">fatika_82@mail.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>Инербаев</surname><given-names>Т. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Inerbayev</surname><given-names>T. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нур-Султан</p></bio><bio xml:lang="en"><p>Nur-Sultan</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>Абуова</surname><given-names>А. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Abuova</surname><given-names>A. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нур-Султан</p></bio><bio xml:lang="en"><p>Nur-Sultan</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>Каптагай</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaptagay</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мерәл</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Merali</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нур-Султан</p></bio><bio xml:lang="en"><p>Nur-Sultan</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>Солтанбек</surname><given-names>Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Soltanbek</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нур-Султан</p></bio><bio xml:lang="en"><p>Nur-Sultan</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Евразийский национальный университет им. Л.Н. Гумилева<country>Казахстан</country></aff><aff xml:lang="en">Gumilyov Eurasian National University<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Казахский национальный женский педагогический университет<country>Казахстан</country></aff><aff xml:lang="en">Kazakh national women's pedagogical University<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2020</year></pub-date><volume>0</volume><issue>4</issue><fpage>24</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абуова Ф.У., Инербаев Т.М., Абуова А.У., Каптагай Г.А., Мерәл Н.А., Солтанбек Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Абуова Ф.У., Инербаев Т.М., Абуова А.У., Каптагай Г.А., Мерәл Н.А., Солтанбек Н.</copyright-holder><copyright-holder xml:lang="en">Abuova F.U., Inerbayev T.M., Abuova A.U., Kaptagay G.A., Merali N.A., Soltanbek 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://journals.nnc.kz/jour/article/view/286">https://journals.nnc.kz/jour/article/view/286</self-uri><abstract><p>Методами компьютерного моделирования с использованием теории функционала плотности изучены два набора сплавов Гейслера вида Mn2Co1−xVxZ (Z = Al, Ga). Исследованы изменения абсолютной величины и направления магнитных моментов ионов решетки в зависимости от химического состава. Для объяснения полученных результатов проведен топологический анализ зарядового распределения на атомах кристаллической решетки. Показано, что изменения магнитных свойств определяются зарядовыми состояниями ионов системы. Фундаментальным отличием между Al- и Ga-содержащими сплавами является способность ионов Ga, в отличие от ионов Al, менять свое зарядовое состояние по мере увеличения концентрации ванадия, что дает дополнительную степень свободы для модификации электронной структуры изученных соединений.</p></abstract><trans-abstract xml:lang="en"><p>Two sets of Heusler alloys of the type Mn2Co1−xVxZ (Z = Al, Ga) were studied by computer simulation methods using density functional theory. Changes in the absolute value and direction of the lattice ions' magnetic moments are investigated depending on the chemical composition. Topological analysis of the charge distribution on the crystal lattice atoms is carried out to explain the results obtained. It is shown that changes in the magnetic properties are determined by the system's charge ions' states. The fundamental difference between Al- and Ga-containing alloys is Ga ions' ability, in contrast to Al ions, to change their charge state as the vanadium concentration increases, which gives an additional degree of freedom for modifying the electronic structure of the studied compounds.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>теория функционала плотности</kwd><kwd>сплавы Гейслера</kwd><kwd>магнетизм</kwd><kwd>распределение зарядов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>density functional theory</kwd><kwd>Heusler alloys</kwd><kwd>magnetism</kwd><kwd>charge distribution</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Данная работа выполнена в рамках грантового проекта AP08957176 «Первопринципный дизайн полностью скомпенсированных ферримагнитных материалов для приложений в спинтронике» на 2020–2022 гг. 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