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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">10.52676/1729-7885-2024-1-24-33</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-613</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>МОДЕЛИРОВАНИЕ ЭЛЕКТРОННЫХ И УПРУГИХ СВОЙСТВ КРИСТАЛЛА Y3Al5O12</article-title><trans-title-group xml:lang="en"><trans-title>MODELING OF THE ELECTRONIC AND ELASTIC PROPERTIES OF THE Y3Al5O12 CRYSTAL</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0662-428X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баубекова</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Baubekova</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Астана</p><p>   </p></bio><bio xml:lang="en"><p>Astana</p></bio><email xlink:type="simple">guldar_87@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0045-7268</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахмедов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmedov</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Астана</p></bio><bio xml:lang="en"><p>Astana</p></bio><email xlink:type="simple">abzal_095@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6903-2084</contrib-id><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>Астана</p></bio><bio xml:lang="en"><p>Astana</p></bio><email xlink:type="simple">super.fatima-82@yandex.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0049-5093</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Асылбаев</surname><given-names>Р. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Assylbayev</surname><given-names>R. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павлодар</p></bio><bio xml:lang="en"><p>Pavlodar</p></bio><email xlink:type="simple">ruslanassylbay@yandex.kz</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0045-7268</contrib-id><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>Астана</p><p>   </p></bio><bio xml:lang="en"><p>Astana</p></bio><email xlink:type="simple">aisulu-us1980@ya.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0045-7268</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Турсумбаева</surname><given-names>Г. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Tursumbayeva</surname><given-names>G. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Астана</p></bio><bio xml:lang="en"><p>Astana</p></bio><email xlink:type="simple">gptursumbayeva@gmail.com</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>Кабдрахимова</surname><given-names>Г. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kabdrakhimova</surname><given-names>G. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Астана</p></bio><bio xml:lang="en"><p>Astana</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Евразийский национальный университет имени Л.Н. Гумилева<country>Казахстан</country></aff><aff xml:lang="en">L. N. Gumilyov Eurasian National University<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Павлодарский педагогический университет имени Ә. Марғұлан</aff><aff xml:lang="en">A. Margulan Pavlodar Pedagogical University</aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>28</day><month>03</month><year>2024</year></pub-date><volume>0</volume><issue>1</issue><fpage>24</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баубекова Г.М., Ахмедов А.С., Абуова Ф.У., Асылбаев Р.Н., Абуова А.У., Турсумбаева Г.П., Кабдрахимова Г.Д., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Баубекова Г.М., Ахмедов А.С., Абуова Ф.У., Асылбаев Р.Н., Абуова А.У., Турсумбаева Г.П., Кабдрахимова Г.Д.</copyright-holder><copyright-holder xml:lang="en">Baubekova G.M., Akhmedov A., Abuova F.U., Assylbayev R.N., Abuova A.U., Tursumbayeva G.P., Kabdrakhimova G.D.</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/613">https://journals.nnc.kz/jour/article/view/613</self-uri><abstract><p>В данной научной работе было проведено комплексное исследование иттрий-алюминиевого граната с применением методов компьютерного моделирования. Проанализированы упругие свойства, а также детально исследованы кристаллические и зонные структуры. При помощи современных вычислительных методов проведено детальное изучение механических параметров материала, таких как модуль упругости и коэффициент Пуассона. Методы виртуального моделирования позволяют детально изучить механические характеристики материала. Основное внимание уделяется созданию и верификации компьютерных моделей, точно отражающих упругие свойства кристалла. Были проведены сравнения значений параметров, получаемых при использовании различных гибридных функционалов, с экспериментальными данными. Виртуальные модели позволили не только детально изучить механические характеристики материала, но и предоставили результаты, существенно близкие к реальным экспериментальным данным. Сравнения проводились по следующим параметрам: параметры ячейки, энергия запрещенной зоны, эффективные заряды атомов кристалла, уравнения состояния и упругие свойства. Так же определены уровни погрешности относительно экспериментальных данных. Представлены результаты анализа кристаллической структуры иттрий-алюминиевого граната, полученные с применением различных обменно-корреляционных гибридных функционалов, таких как B3PW, B3LYP, HSE06, PBE. Этот аспект исследования включает в себя анализ параметров кристаллической решетки, распределение атомов в кристалле и зонную структуру, что важно для полного понимания свойств материала. </p></abstract><trans-abstract xml:lang="en"><p>In this scientific work, we conducted a comprehensive study of yttrium aluminum garnet using computer modeling methods. Our efforts are focused on the precise analysis of elastic properties, the development of equations of state, as well as a detailed study of crystal and band structures. We conducted a detailed study of the mechanical parameters of the material, such as the modulus of elasticity and the Poisson's ratio, using modern computational methods. Virtual modeling methods allow us to study in detail the mechanical characteristics of the material. The main focus is on the creation and verification of computer models that accurately reflect the elastic properties of the crystal. The values obtained using various hybrid functionals were compared with experimental data. Virtual models allowed not only to study in detail the mechanical characteristics of the material, but also provided results that are significantly close to real experimental data. Comparisons were carried out according to the following parameters: cell parameters, band gap energy, effective charges of crystal atoms, equations of state and elastic properties. Also, the error levels relative to the experimental data are determined. We present the results of the analysis of the crystal structure of yttrium aluminum garnet achieved using various exchange-correlation hybrid functionals such as B3PW, B3LYP, HSE06, PBE. This aspect of the study includes the analysis of the crystal lattice parameters, the distribution of atoms in the crystal and the band structure, which is important for a complete understanding of the properties of the material.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>иттрий-алюминиевый</kwd><kwd>гранат</kwd><kwd>теория функционала плотности</kwd><kwd>запрещенная зона</kwd><kwd>элементарная ячейка</kwd><kwd>упругие свойства</kwd><kwd>моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>yttrium-aluminum garnet</kwd><kwd>density functional theory</kwd><kwd>band gap</kwd><kwd>unit cell</kwd><kwd>elastic properties</kwd><kwd>modeling</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Данное исследование финансировалось Комитетом науки Министерства науки и высшего образова-ния Республики Казахстан (грант № AP19574768 «Экспериментальное и теоретическое исследование радиационной стойкости функциональных керамических и кристаллических материалов для космических применений и ядерной энергетики»).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Franta D., Mureșan M. 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