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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.met202405.585</article-id><article-id custom-type="elpub" pub-id-type="custom">mateltech-585</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>Наноматериалы и нанотехнологии</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NANOMATERIALS AND NANOTECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Влияние наночастиц Co–CoO на концентрацию носителей заряда в гибридной структуре на основе однослойного CVD графена</article-title><trans-title-group xml:lang="en"><trans-title>Effect of Co–CoO nanoparticles on the concentration of charge carriers in a hybrid structure based on single-layer CVD graphene</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7274-1380</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharchanko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Бобруйская, д. 11, Минск, 220006</p><p>Харченко Андрей Андреевич — канд. физ.-мат. наук, доцент, ведущий научный сотрудник лаборатории физики перспективных материалов</p></bio><bio xml:lang="en"><p>11 Bobruiskaya Str., Minsk 220006</p><p>Andrei A. Kharchanko — Cand. Sci. (Phys.-Math.), Associate Professor, Leading Researcher, Laboratory of Advanced Materials Physics</p></bio><email xlink:type="simple">XaaTM@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/0000-0002-7008-847X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федотов</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedotov</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Бобруйская, д. 11, Минск, 220006</p><p>Федотов Александр Кириллович — доктор физ.-мат. наук, профессор, главный научный сотрудник лаборатории физики перспективных материалов</p></bio><bio xml:lang="en"><p>11 Bobruiskaya Str., Minsk 220006</p><p>Alexander K. Fedotov — Dr. Sci. (Phys.-Math.), Professor, Chief Researcher, Laboratory of Advanced Materials Physics</p></bio><email xlink:type="simple">akf1942@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/0000-0003-2221-909X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воробьева</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobyova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинградская ул., д. 14, Минск, 220006</p><p>Воробьева Светлана Александровна — канд. хим. наук, ведущий научный сотрудник лаборатории химии конденсированных сред</p></bio><bio xml:lang="en"><p>14 Leningradskaya Str., Minsk 220006</p><p>Svetlana A. Vorobyova — Cand. Sci. (Chem.), Leading Researcher, Laboratory for Chemistry of Condensed Systems</p></bio><email xlink:type="simple">vorobyova@bsu.by</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>Конаков</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Konakov</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинградская ул., д. 14, Минск, 220006</p><p>Конаков Артем Олегович — канд. хим. наук, ведущий научный сотрудник лаборатории химии конденсированных сред</p></bio><bio xml:lang="en"><p>14 Leningradskaya Str., Minsk 220006</p><p>Artem O. Konakov — Cand. Sci. (Chem.), Leading Researcher, Laboratory for Chemistry of Condensed Systems</p></bio><email xlink:type="simple">artjom7777@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9531-6072</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Малинкович</surname><given-names>М. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Malinkovich</surname><given-names>M. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинский просп., д. 4, стр. 1, Москва, 119049</p><p>Малинкович Михаил Давыдовыч — канд. физ.-мат. наук, доцент, кафедра материаловедения полупроводников и диэлектриков</p></bio><bio xml:lang="en"><p>4-1 Leninsky Ave., Moscow 119049</p><p>Mikhail D. Malinkovich — Cand. Sci. (Phys.-Math.), Associate Professor, Department of Materials Science of Semiconductors and Dielectrics</p></bio><email xlink:type="simple">malinkovich@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чичков</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chichkov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинский просп., д. 4, стр. 1, Москва, 119049</p><p>Чичков Максим Владимирович — аспирант, кафедра материаловедения полупроводников и диэлектриков, инженер, лаборатория функциональных низкоразмерных структуры</p></bio><bio xml:lang="en"><p>4-1 Leninsky Ave., Moscow 119049</p><p>Maxim V Chichkov — Postgraduate Student, Department of Materials Science of Semiconductors and Dielectrics</p></bio><email xlink:type="simple">maxim.chichkov@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Казимиров</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazimirov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Бобруйская, д. 11, Минск, 220006</p><p>Казимиров Никита Андреевич — младший научный сотрудник, лаборатория физики перспективных материалов, аспирант кафедры микро- и наноэлектроники Белорусского государственного университета  информатики и радиоэлектроники</p></bio><bio xml:lang="en"><p>11 Bobruiskaya Str., Minsk 220006</p><p>Nikita A. Kazimirov — Researcher</p></bio><email xlink:type="simple">kazimirov.mikita@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/0000-0002-4471-0552</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федотова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedotova</surname><given-names>J. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Бобруйская, д. 11, Минск, 220006</p><p>Федотова Юлия Александровна — доктор физ.-мат. наук, профессор, заместитель директора</p></bio><bio xml:lang="en"><p>11 Bobruiskaya Str., Minsk 220006</p><p>Julia A. Fedotova — Dr. Sci. (Phys.-Math.), Professor, Deputy Director</p></bio><email xlink:type="simple">Julia@hep.by</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5006-2715</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ивашкевич</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivashkevich</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинградская ул., д. 14, Минск, 220006</p><p>Ивашкевич Олег Анатольевич — академик НАН Беларуси, доктор хим. наук, главный научный сотрудник лаборатории химии конденсированных сред</p></bio><bio xml:lang="en"><p>14 Leningradskaya Str., Minsk 220006</p><p>Oleg A. Ivashkevich — Academician of the NASB, Dr. Sci. (Chem.), Leading Researcher, Laboratory for Chemistry of Condensed Systems</p></bio><email xlink:type="simple">ivashkevicho@bsu.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт ядерных проблем Белорусского государственного университета</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Research Institute for Nuclear Problems of Belarusian State University</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт физико-химических проблем Белорусского государственного университета</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Research Institute for Physical Chemical Problems of the Belarusian State University</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет «МИСИС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology “MISIS”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Научно-исследовательский институт ядерных проблем Белорусского государственного университета</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Research Institute for Nuclear Problems of Belarusian State University</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>09</month><year>2024</year></pub-date><volume>27</volume><issue>3</issue><fpage>254</fpage><lpage>261</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Харченко А.А., Федотов А.К., Воробьева С.А., Конаков А.О., Малинкович М.Д., Чичков М.В., Казимиров Н.А., Федотова Ю.А., Ивашкевич О.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Харченко А.А., Федотов А.К., Воробьева С.А., Конаков А.О., Малинкович М.Д., Чичков М.В., Казимиров Н.А., Федотова Ю.А., Ивашкевич О.А.</copyright-holder><copyright-holder xml:lang="en">Kharchanko A.A., Fedotov A.K., Vorobyova S.A., Konakov A.O., Malinkovich M.D., Chichkov M.V., Kazimirov N.A., Fedotova J.A., Ivashkevich O.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://met.misis.ru/jour/article/view/585">https://met.misis.ru/jour/article/view/585</self-uri><abstract><p>Изучено влияние осажденных агрегированных наночастиц Co–CoO со средним диаметром 160 нм на концентрацию носителей заряда и механизмы их транспорта в гибридных структурах Co–CoO/графен/SiO2. Структуры получены электрохимическим осаждением наночастиц кобальта на поверхность однослойного CVD-графена в реверсивном гальваностатическом режиме из электролита, содержащего смесь CoSO4∙6H2O (1,25 г/л) и NaCl (0,064 г/л), при катодном токе плотностью 2,5 мА/см2 и анодном токе плотностью 1,25 мА/см2. Показано, что осаждение наночастиц Co–CoO приводит к почти двукратному снижению проводимости структуры. Возникновение этого эффекта может быть обусловлено исключению из процесса транспорта носителей части собственных дефектов графена в изучаемой структуре.</p><p>Обнаружено сосуществование механизмов квантовых поправок (КП) к друдевской проводимости в условиях слабой локализации и обычной зонной (активационной) проводимости. Доминирование КП в проводимости как до, так и после осаждения частиц Co–CoO, а также снижение после осаждения частиц значения предэкспоненциального фактора σa0, включенного в активационный механизм, с 2,8∙10-4 до 3,1∙10-5 См.</p></abstract><trans-abstract xml:lang="en"><p>The effect of deposited aggregates of Co–CoO nanoparticles with an average diameter of 160 nm on the charge carrier concentration and carrier transport mechanisms in Co–CoO/graphene/SiO2 hybrid structures has been studied. The structures were obtained by electrochemical deposition of cobalt nanoparticles onto the surface of single-layer CVD graphene in a reverse galvanostatic mode from an electrolyte containing CoSO4∙6H2O (1.25 g/l) and NaCl (0.064 g/l) mixture at a cathodic current density of 2.5 mA/cm2 and an anodic current density 1.25 mA/cm2. It has been shown that deposition of Co–CoO nanoparticles results in an almost twofold decrease in conductivity of structure. We attribute this effect to the exclusion of some of the intrinsic defects of graphene from the carrier transport process in the structure under study.The coexistence of mechanisms of quantum corrections (QC) to the Drude conductivity under conditions of weak localization and usual band (activational) conductivity was discovered. The dominance of the QC to conductivity both before and after the Co–CoO particles deposition, as well as a decrease in the value of the pre-exponential factor σa0, included in the activational mechanism, from 2.8∙10-4 S to 3.1∙10-5 S were observed after particle deposition.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>графен</kwd><kwd>кобальт</kwd><kwd>оксид кобальта</kwd><kwd>электроперенос</kwd><kwd>эффект Холла</kwd></kwd-group><kwd-group xml:lang="en"><kwd>graphene</kwd><kwd>cobalt</kwd><kwd>cobalt oxide</kwd><kwd>electric transport</kwd><kwd>Hall effect</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Государственной программы научных исследований «Фотоника и электроника для инноваций», подпрограмма «Микро- и наноэлектроника» (2021–2025 гг.), проекты 3.2.4 (№ 20212560) и 3.2.5 (№ 20211729).</funding-statement><funding-statement xml:lang="en">The work was carried out with financial support from the State Scientific Research Program “Photonics and Electronics for Innovation”, subprogram “Micro- and Nanoelectronics” (2021—2025), projects 3.2.4 (No. 20212560) and 3.2.5 (No. 20211729).</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">Wehrfritz P., Seyller T. 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