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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">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-455</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>CHEMISTRY AND TECHNOLOGY OF INORGANIC MATERIALS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ И ТЕХНОЛОГИЯ НЕОРГАНИЧЕСКИХ МАТЕРИАЛОВ</subject></subj-group></article-categories><title-group><article-title>The estimation of possibility of the using gas mixer for obtaining sharper MOCVD grown heterojunctions</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка возможности использования газового смесителя исходных компонентов мос-гидридной эпитаксии для получения резких гетеропереходов</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>Горский</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorskiy</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра Материалов микро-, опто- и наноэлектроники, аспирант</p></bio><email xlink:type="simple">andrey.gorskiy@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИТХТ им. М.В. Ломоносова, 119571, Москва, пр-т Вернадского, д. 86</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>28</day><month>08</month><year>2014</year></pub-date><volume>9</volume><issue>4</issue><fpage>70</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Gorskiy A.A., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Горский А.А.</copyright-holder><copyright-holder xml:lang="en">Gorskiy A.A.</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://www.finechem-mirea.ru/jour/article/view/455">https://www.finechem-mirea.ru/jour/article/view/455</self-uri><abstract><p>In this paper, we investigate the possibility of using gas mixer precursor for MOCVD to get sharper heterojunctions InxGa1-xAs, InxGa1-xAs и InxAl1-xAs. Nanolayers of that compositions are using in creations of quantum well devices like avalanche photodiode, QWIPs and so on.This devices needs sharp heterojunctions. For this purpose we used numerical studies of momentum and mass transport equations. 3D model of mixer was built in COMSOL Multiphysics. Results shows three streams: two peripheral and wide central. The shape and behavior was found independent from studying pressure ranges. That leads to applications of such gas mixer for vertical reactors of MOCVD but not for horizontal reactors.</p></abstract><trans-abstract xml:lang="ru"><p>Рассмотрены перспективы использования газового смесителя исходных компонентов для получения более резких гетеропереходов в реакторах МОС-гидридной эпитаксии. Создана 3D модель смесителя, включающая в себя уравнения потока и бинарной диффузии компонентов. На основе расчетов с использованием параметров рабочей установки и сравнения результатов с лабораторными исследованиями сделан вывод о нецелесообразности применения таких смесителей для реакторов горизонтального типа.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>МОС-гидридная эпитаксия</kwd><kwd>InxGa1-xAs</kwd><kwd>газовый смеситель</kwd><kwd>резкие гетеро-переходы</kwd><kwd>моделирование</kwd><kwd>3D модель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>3D model</kwd><kwd>MOCVD</kwd><kwd>MOVPE</kwd><kwd>horizontal rector</kwd><kwd>gas mixer</kwd><kwd>InxGa1-xAs</kwd><kwd>numerical studying</kwd><kwd>heterojunctions</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">Rogalski A. Quantum well photoconductors in infrared detector technology // Appl. Phys. R. 2003. V. 93. P. 4355-4391.</mixed-citation><mixed-citation xml:lang="en">Rogalski A. 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