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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">ntv</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический вестник информационных технологий, механики и оптики</journal-title><trans-title-group xml:lang="en"><trans-title>Scientific and Technical Journal of Information Technologies, Mechanics and Optics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-1494</issn><issn pub-type="epub">2500-0373</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2226-1494-2024-24-6-943-948</article-id><article-id custom-type="elpub" pub-id-type="custom">ntv-400</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>НОВЫЕ МАТЕРИАЛЫ И НАНОТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE AND NANOTECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Формирование толстого слоя ε-Ga2O3 на подслое GaN с V-дефектами на границе раздела</article-title><trans-title-group xml:lang="en"><trans-title>Forming a thick layer of ε-Ga2O3 on the GaN sublayer with V-defects at the interface</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0737-9079</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Андрей Юрьевич - младший научный сотрудник, </p><p>Санкт-Петербург, 197101</p></bio><bio xml:lang="en"><p>Andrey Yu. Ivanov - Junior Researcher,</p><p>Saint Petersburg, 197101</p></bio><email xlink:type="simple">aiivanov@itmo.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/0000-0003-0354-5981</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шарофидинов</surname><given-names>Ш. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharofidinov</surname><given-names>Sh. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шарофидинов Шукрилло Шамсутдинович - кандидат физико-математических наук, старший научный сотрудник,</p><p>Санкт-Петербург, 194021</p></bio><bio xml:lang="en"><p>Shukrillo Sh. Sharofidinov - PhD (Physics &amp; Mathematics), Senior Researcher,</p><p>Saint Petersburg, 194021</p></bio><email xlink:type="simple">shukrillo71@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8715-9505</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Панов</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Panov</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Панов Дмитрий Юрьевич - кандидат физико-математических наук, заведующий лабораторией, </p><p>Санкт-Петербург, 197101</p></bio><bio xml:lang="en"><p>Dmitrii I. Panov - PhD (Physics &amp; Mathematics), Head of Laboratory,</p><p>Saint Petersburg, 197101</p></bio><email xlink:type="simple">dmitriipnv@itmo.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/0000-0002-7045-0918</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кремлева</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kremleva</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кремлева Арина Валерьевна - кандидат физико-математических наук, старший научный сотрудник, Санкт-Петербург, 197101;</p><p>старший научный сотрудник, Санкт-Петербург, 194021</p></bio><bio xml:lang="en"><p>Arina V. Kremleva - PhD (Physics &amp; Mathematics), Senior Researcher, Saint Petersburg, 197101;</p><p>Senior Researcher, Saint Petersburg, 194021</p></bio><email xlink:type="simple">avkremleva@itmo.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5762-5920</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бауман</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bauman</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бауман Дмитрий Андреевич - кандидат физико-математических наук, заведующий лабораторией,</p><p>Санкт-Петербург, 197101</p></bio><bio xml:lang="en"><p>Dmitrii A. Bauman - PhD (Physics &amp; Mathematics), Head of Laboratory,</p><p>Saint Petersburg, 197101</p></bio><email xlink:type="simple">dabauman@itmo.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/0000-0003-3738-408X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Романов</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Романов Алексей Евгеньевич - доктор физико-математических наук, профессор, главный научный сотрудник, Санкт-Петербург, 197101;</p><p>руководитель сектора, Санкт-Петербург, 194021</p></bio><bio xml:lang="en"><p>Alexey E. Romanov - D.Sc. (Physics &amp; Mathematics), Professor, Chief Researcher, Saint Petersburg, 197101;</p><p>Head of Sector, Saint Petersburg, 194021</p></bio><email xlink:type="simple">alexey.romanov@niuitmo.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет ИТМО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Физико-технический институт им. А.Ф. Иоффе</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ioffe Institute</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Университет ИТМО;&#13;
Физико-технический институт им. А.Ф. Иоффе</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO University;&#13;
Ioffe Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2024</year></pub-date><volume>24</volume><issue>6</issue><fpage>943</fpage><lpage>948</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Иванов А.Ю., Шарофидинов Ш.Ш., Панов Д.Ю., Кремлева А.В., Бауман Д.А., Романов А.Е., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Иванов А.Ю., Шарофидинов Ш.Ш., Панов Д.Ю., Кремлева А.В., Бауман Д.А., Романов А.Е.</copyright-holder><copyright-holder xml:lang="en">Ivanov A.Y., Sharofidinov S.S., Panov D.I., Kremleva A.V., Bauman D.A., Romanov A.E.</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://ntv.elpub.ru/jour/article/view/400">https://ntv.elpub.ru/jour/article/view/400</self-uri><abstract><sec><title>Введение</title><p>Введение. Приведены результаты исследования по получению и характеризации квазиобъемных эпитаксиальных гетероструктур ε-Ga2O3/GaN различной толщины, содержащих V-дефекты на границе раздела. Актуальность работы обусловлена активным поиском путей создания приборных гетероструктур для устройств оптоэлектроники, работающих в глубоком ультрафиолетовом диапазоне, а также HEMT-транзисторов высокочастотной и мощной электроники. Одним из таких решений является эпитаксиальное выращивание толстого слоя ε-Ga2O3 на темплейтах с эпитаксиальным слоем GaN. ε-Ga2O3 отличается большой шириной запрещенной зоны и высокой спонтанной поляризацией.</p></sec><sec><title>Метод</title><p>Метод. Слои оксида галия (Ga2O3) выращивались методом хлорид-гидридной газофазной эпитаксии на заранее подготовленных структурах GaN/AlN/3С-SiC/Si. В процессе охлаждения реактора до комнатной температуры, вследствие баланса коэффициентов термического расширения составляющих слоев, гетероструктура Ga2O3/GaN (с буферным слоем AlN) самопроизвольно отделяется от подложки SiC/Si. Морфология поверхности слоя Ga2O3 и поперечное сечение границы раздела в гетероструктурах Ga2O3/GaN исследовались методом растровой электронной микроскопии на микроскопе TESCAN MIRA 3. Фазовый состав и кристаллическое совершенство гетероструктуры ε-Ga2O3/GaN определялись методами рентгеновской дифракции на дифрактометре ДРОН-8 АО «ИЦ «Буревестник». Спектры пропускания гетероструктур получены методом спектрофотометрии с использованием интегрирующей сферы.</p></sec><sec><title>Основные результаты</title><p>Основные результаты. Показана возможность получения эпитаксиальных гетероструктур Ga2O3/GaN методом хлоридгидридной газофазной эпитаксии с последующим отделением от темплейта. Исследования методом растровой электронной микроскопии показали, что гетероструктуры Ga2O3/GaN содержат квазиобъемный слой Ga2O3 толщиной 100 мкм. Продемонстрировано, что ростовая поверхность GaN содержит V-дефекты, показан эффект заращивания V-дефектов эпитаксиальным слоем Ga2O3. Исследования методом рентгеновской дифракции позволили установить, что сформированная гетероструктура содержит монокристаллический слой ε-Ga2O3, а полная ширина на уровне половины максимума интенсивности кривой дифракционного отражения 0, 0, 10 составляет 1,8°, что свидетельствует об удовлетворительном качестве эпитаксиального слоя. Таким образом, в работе представлена возможность отслаивания эпитаксиальных слоев от темплейта для получения квазиобъемных гетероструктур ε-Ga2O3/GaN достаточно большой толщины.</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Результаты исследования открывают новые возможности создания темплейтов и подложек для эпитаксии широкозонных полупроводниковых материалов. Перспективой дальнейших работ является оптимизация режимов роста и геометрии подобных гетероструктур с толстым слоем ε-Ga2O3.</p></sec></abstract><trans-abstract xml:lang="en"><p>This report presents the results of an experiment to obtain and characterization of quasi-bulk monocrystal epitaxial ε-Ga2O3/GaN heterostructures which contain V-defects at the interface. The significance of this work is due to an active search for ways to develop device-heterostructures for deep-ultraviolet optoelectronics and for HEMT transistors in high-frequency and high-power electronics. One such solution is epitaxial growth of a thick ε-Ga2O3 layer on templates with GaN epitaxial layer to form ε-Ga2O3/GaN heterostructure. The ε-Ga2O3 is characterized by a wide band gap and high spontaneous polarization. The Ga2O3 layer was grown by chloride-hydride vapor-phase epitaxy on pre-prepared GaN/AlN/3C-SiC/Si structures. As the reactor was cooled to room temperature, the Ga2O3/GaN heterostructure (with an AlN buffer layer) spontaneously detached from the SiC/Si substrate due to the balance of the layer thermal expansion coefficients. The surface morphology of the gallium oxide layer and the cross-section of the interface in the Ga2O3/GaN heterostructures were studied using scanning electron microscopy with TESCAN MIRA 3. The phase composition and crystal quality of the Ga2O3/GaN heterostructures were studied by X-ray diffraction on the DRON-8 diffractometer of JSC Bourevestnik. Transmission spectra of the heterostructures were obtained by spectrophotometry using an integrating sphere. This paper demonstrates the epitaxial growth of Ga2O3/GaN heterostructures through chloride-hydride vapor phase epitaxy and the possibility of detaching epitaxial layers from the template. Scanning electron microscopy studies of cross-section have shown that the Ga2O3/GaN heterostructures contain a quasi-bulk gallium oxide with a thickness of about 100 microns. Additionally, it was also shown that the heterostructures contained V-defects on the GaN growth surface, with the Ga2O3 layer grow over V-defects. X-ray diffraction study revealed that the formed heterostructure contains ε-Ga2O3 monocrystal layer, and the fell width at half maximum intensity of the diffraction reflection curve 0,0,10 is 1.8 degrees, which indicates satisfactory quality for thick epitaxial layer. The results of the study openup the possibility to develop templates and substrates for epitaxial growth of wide-bandgap semiconductor materials. Optimization of the growth modes and geometry of such heterostructures with a thick ε-Ga2O3 layer is a promising area for further research.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оксид галлия</kwd><kwd>широкозонные полупроводники</kwd><kwd>толстые слои</kwd><kwd>гетероструктура ε-Ga2O3/GaN</kwd><kwd>V-дефекты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gallium oxide</kwd><kwd>wide-band semiconductors</kwd><kwd>thick layers</kwd><kwd>ε-Ga2O3/GaN heterostructure</kwd><kwd>V-defects</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">Wang C., Zhang J., Xu S., Zhang C., Feng Q., Zhang Y., Ning J., Zhao S., Zhou H., Hao Y. Progress in state-of-the-art technologies of Ga2O3 devices // Journal of Physics D: Applied Physics. 2021. V. 54. N 24. 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