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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">mateltech</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Материалы электронной техники</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya Vysshikh Uchebnykh Zavedenii. Materialy Elektronnoi Tekhniki = Materials of Electronics Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1609-3577</issn><issn pub-type="epub">2413-6387</issn><publisher><publisher-name>MISIS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/1609-3577j.met202407.602</article-id><article-id custom-type="elpub" pub-id-type="custom">mateltech-602</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>Физические свойства и методы исследования</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL CHARACTERISTICS AND THEIR STUDY</subject></subj-group></article-categories><title-group><article-title>Параметры омических контактов и учет влияния реальных размеров образцов на полевую зависимость дрейфовой скорости в слоях In0,16Ga0,84As</article-title><trans-title-group xml:lang="en"><trans-title>Parameters of ohmic contacts and consideration of the influence of actual sample sizes on the field dependence of the drift velocity in In0.16Ga0.84As layers</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>Кузнецов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пpосп. Акад. Лавpентьева, д. 13, Новосибирск, 630090;</p><p>просп. Карла Маркса, д. 20, Новосибирск, 630073</p><p>Кузнецов Вадим Алексеевич — аспирант, старший инженер</p></bio><bio xml:lang="en"><p>13 Acad. Lavrentieva Ave., Novosibirsk 630090;</p><p>20 Karla Marksa Ave., Novosibirsk 630073</p><p>Vadim A. Kuznetsov — Postgraduate Student, Senior Engineer</p></bio><email xlink:type="simple">vadya.suz98@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7859-1590</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Протасов</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Protasov</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пpосп. Акад. Лавpентьева, д. 13, Новосибирск, 630090;</p><p>просп. Карла Маркса, д. 20, Новосибирск, 630073</p><p>Протасов Дмитрий Юрьевич — канд. физ.-мат. наук, старший научный сотрудник</p></bio><bio xml:lang="en"><p>13 Acad. Lavrentieva Ave., Novosibirsk 630090;</p><p>20 Karla Marksa Ave., Novosibirsk 630073</p><p>Dmitry Yu. Protasov — Cand. Sci. (Phys.-Math.), Senior Researcher</p></bio><email xlink:type="simple">protasov@isp.nsc.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/0000-0001-7126-5338</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дмитриев</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dmitriev</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пpосп. Акад. Лавpентьева, д. 13, Новосибирск, 630090</p><p>Дмитриев Дмитрий Владимирович — младший научный сотрудник</p></bio><bio xml:lang="en"><p>13 Acad. Lavrentieva Ave., Novosibirsk 630090</p><p>Dmitriy V. Dmitriev — Junior Researcher</p></bio><email xlink:type="simple">ddmitriev@isp.nsc.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костюченко</surname><given-names>В. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostyuchenko</surname><given-names>V. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Плахотного, д. 10, Новосибирск, 630108</p><p>Костюченко Владимир Яковлевич — доктор физ.-мат. наук, профессор</p></bio><bio xml:lang="en"><p>10 Plakhotnogo Str., Novosibirsk 630108</p><p>Vladimir Ya. Kostyuchenko — Dr. Sci. (Phys.-Math.), Professor</p></bio><email xlink:type="simple">v.y.kostuk@ssga.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/0000-0002-7586-0107</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рогило</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Rogilo</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пpосп. Акад. Лавpентьева, д. 13, Новосибирск, 630090</p><p>Рогило Дмитрий Игоревич — канд. физ.-мат. наук, старший научный сотрудник</p></bio><bio xml:lang="en"><p>13 Acad. Lavrentieva Ave., Novosibirsk 630090</p><p>Dmitry I. Rogilo — Cand. Sci. (Phys.-Math.), Senior Researcher</p></bio><email xlink:type="simple">rogilo@isp.nsc.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/0000-0002-3171-5098</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Журавлев</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhuravlev</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пpосп. Акад. Лавpентьева, д. 13, Новосибирск, 630090</p><p>Журавлев Константин Сергеевич — доктор физ.-мат. наук, зав. лабораторией</p></bio><bio xml:lang="en"><p>13 Acad. Lavrentieva Ave., Novosibirsk 630090</p><p>Konstantin S. Zhuravlev — Dr. Sci. (Phys.-Math.), Head of Laboratory</p></bio><email xlink:type="simple">zhur@isp.nsc.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики полупроводников им. А.В. Ржанова Сибирского отделения Российской академии наук;&#13;
Новосибирский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences;&#13;
Novosibirsk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики полупроводников им. А.В. Ржанова Сибирского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Сибирский государственный университет геосистем и технологий</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State University of Geosystems and Technologies</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>01</month><year>2025</year></pub-date><volume>28</volume><issue>1</issue><fpage>44</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецов В.А., Протасов Д.Ю., Дмитриев Д.В., Костюченко В.Я., Рогило Д.И., Журавлев К.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кузнецов В.А., Протасов Д.Ю., Дмитриев Д.В., Костюченко В.Я., Рогило Д.И., Журавлев К.С.</copyright-holder><copyright-holder xml:lang="en">Kuznetsov V.A., Protasov D.Y., Dmitriev D.V., Kostyuchenko V.Y., Rogilo D.I., Zhuravlev K.S.</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://met.misis.ru/jour/article/view/602">https://met.misis.ru/jour/article/view/602</self-uri><abstract><p>Рассмотрен способ получения омического контакта к слоям In0.16Ga0.84As. Контактное сопротивление измерялось методом длинной линии с радиальной геометрией контактов. Показано, что контакт на основе Ni/Au/Ge/Au/Ge/Ni/Au является омическим и достигает минимального удельного контактного сопротивления 6∙10-5 Ом∙см2 после вжигания при температуре 450 °C в течение 5 мин в атмосфере формовочного газа. Для измерений дрейфовой скорости в сильном электрическом поле выбрана форма образца, исключающая попадание доменов сильного поля в область измерений. Получено выражение, позволяющее корректно рассчитывать значения напряженности электрического поля и дрейфовой скорости с учетом реальных геометрических размеров образца, определяемых методом растровой электронной микроскопии. Показано, что использование полученного выражения позволяет получать одинаковые полевые зависимости дрейфовой скорости для образцов In0,16Ga0,84As с разными геометрическими размерами.</p></abstract><trans-abstract xml:lang="en"><p>The method of obtaining ohmic contact to In0.16Ga0.84As layers is given in this paper. Contact resistance was measured by the transmission line method with radial geometry of contacts. It is shown that the Ni/Au/Ge/Au/Ge/Ni/Au-based contact is ohmic and reaches a minimum specific contact resistance of 6∙10-5 Ohm∙cm2 after annealing at 450 °C for 5 min. in the atmosphere of forming gas. To measure the dependence of the drift velocity on a high electric field, a sample with a specific shape was chosen that prevents the penetration of high field domains into the measurement area. An expression is obtained that allows for accurate calculation of electric field strength and drift velocity, considering the actual geometric sizes of the sample as determined by scanning electron microscopy. It is shown that the obtained expression allows us to obtain the same field dependences of the drift velocity for In0.16Ga0.84As samples with different geometrical sizes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гетероструктура In0</kwd><kwd>16Ga0</kwd><kwd>84As/GaAs</kwd><kwd>контактное сопротивление</kwd><kwd>сильное электрическое поле</kwd><kwd>дрейфовая скорость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heterostructure In0.16Ga0.84As/GaAs</kwd><kwd>contact resistance</kwd><kwd>high electric field</kwd><kwd>drift velocity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Рост образцов выполнен в рамках Государственного задания Института физики полупроводников им. А.В. Ржанова СО РАН (тема № FWGW-2025-0024). Создание контактных площадок методами литографии, исследование их морфологии методом растровой электронной микроскопии и измерения вольтамперных характеристик выполнены на оборудовании ЦКП «Наноструктуры» при финансовой поддержке Российского научного фонда (грант № 22-72-10124). Авторы благодарны Ю.А. Живодкову за проведение данных измерений.</funding-statement><funding-statement xml:lang="en">The growth of the samples was carried out within the framework of the State Assignment of Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences (topic No. FWGW-2025-0024). The creation of contact pads by lithography methods, the study of their morphology by scanning electron microscopy and the measurements of the current-voltage characteristics were performed on the equipment of the Nanostructures Collective Use Center with the financial support of the Russian Science Foundation (grant No. 22-72-10124). The authors are grateful to Yu.A. 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