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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Inorganic Materials</journal-id><journal-title-group><journal-title xml:lang="en">Inorganic Materials</journal-title><trans-title-group xml:lang="ru"><trans-title>Неорганические материалы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0002-337X</issn><issn publication-format="electronic">3034-5588</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">231868</article-id><article-id pub-id-type="doi">10.31857/S0002337X23070084</article-id><article-id pub-id-type="edn">PWXNNJ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Phase Equilibria in the Al–Ga–As–Bi System at 900°C</article-title><trans-title-group xml:lang="ru"><trans-title>Исследование фазовых равновесий в системе Al–Ga–As–Bi при 900°C</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khvostikov</surname><given-names>V. P.</given-names></name><name xml:lang="ru"><surname>Хвостиков</surname><given-names>В. П.</given-names></name></name-alternatives><email>vlkhv@scell.ioffe.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khvostikova</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Хвостикова</surname><given-names>О. А.</given-names></name></name-alternatives><email>vlkhv@scell.ioffe.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Potapovich</surname><given-names>N. S.</given-names></name><name xml:lang="ru"><surname>Потапович</surname><given-names>Н. С.</given-names></name></name-alternatives><email>vlkhv@scell.ioffe.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vlasov</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Власов</surname><given-names>А. С.</given-names></name></name-alternatives><email>vlkhv@scell.ioffe.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ioffe Institute</institution></aff><aff><institution xml:lang="ru">Физико-технический институт им. А.Ф. Иоффе Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-07-01" publication-format="electronic"><day>01</day><month>07</month><year>2023</year></pub-date><volume>59</volume><issue>7</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>721</fpage><lpage>725</lpage><history><date date-type="received" iso-8601-date="2023-12-25"><day>25</day><month>12</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, В.П. Хвостиков, О.А. Хвостикова, Н.С. Потапович, А.С. Власов</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, В.П. Хвостиков, О.А. Хвостикова, Н.С. Потапович, А.С. Власов</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">В.П. Хвостиков, О.А. Хвостикова, Н.С. Потапович, А.С. Власов</copyright-holder><copyright-holder xml:lang="ru">В.П. Хвостиков, О.А. Хвостикова, Н.С. Потапович, А.С. Власов</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://journals.rcsi.science/0002-337X/article/view/231868">https://journals.rcsi.science/0002-337X/article/view/231868</self-uri><abstract xml:lang="en"><p>Solidus and liquidus isotherms in the Al–Ga–As–Bi system have been modeled for an initial epitaxy temperature of 900°C, which is needed for growing relatively thick (50–100 μm) compositionally graded AlxGa1–xAs layers. The theoretical isotherms have been confirmed by experimental data. It has been shown that, to grow relatively thick (&gt;50 μm) AlGaAs layers, it is reasonable to use Ga–Bi mixed melts containing no more than 20 at % bismuth.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45257552090944">Для начальной температуры эпитаксии 900°C, которая необходима для выращивания относительно толстых градиентных слоев Al<sub><italic>x</italic></sub>Ga<sub>1–<italic>x</italic></sub>As (50–100 мкм), были смоделированы изотермы солидусa и ликвидусa в системе Al–Ga–As–Bi. Теоретические изотермы подтверждены экспериментальными данными. Обнаружено, что для выращивания толстых (более 50 мкм) слоев AlGaAs целесообразно использовать смешанныe Ga–Bi-расплавы с содержанием висмута не более 20 ат. %.</p></trans-abstract><kwd-group xml:lang="en"><kwd>phase equilibrium</kwd><kwd>liquid-phase epitaxy</kwd><kwd>Ga–Bi mixed melt</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>фазовое равновесие</kwd><kwd>жидкофазная эпитаксия</kwd><kwd>смешанный расплав Ga–Bi</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Хвостиков В.П., Покровский П.В., Хвостикова О.А., Паньчак А.Н., Андреев В.М. Высокоэффективные AlGaAs/GaAs фотоэлектрические преобразователи с торцевым вводом лазерного излучения // ПЖТФ. 2018. Т. 44. № 17. С. 42–48. https://doi.org/10.21883/PJTF.2018.17.46569.17400</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Panchak A., Khvostikov V., Pokrovskiy P. 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