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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2024-22-5-17-25</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3977</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Особенности структуры пористого кремния, сформированного на сильнолегированных пластинах монокристаллического кремния электронного типа проводимости</article-title><trans-title-group xml:lang="en"><trans-title>Structural Features of Porous Silicon Formed on Heavily Doped Plates of Single-Crystal Silicon with Electron Conductivity</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>Лопато</surname><given-names>У. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Lopato</surname><given-names>U. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лопато Ульяна Павловна, магистрант</p><p>220013, г. Минск, ул. П. Бровки, 6</p><p>Тел.: +375 17 293-88-54</p></bio><bio xml:lang="en"><p>Lopato Ulyana Pavlovna, Master’s Student</p><p>220013, Minsk, P. Brovki St., 6</p><p>Tel.: +375 17 293-88-54</p></bio><email xlink:type="simple">ulya.lopato@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лапутько</surname><given-names>Д. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Laputko</surname><given-names>D. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лапутько Д. Д., магистрант</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Laputko D. D., Master’s Student</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гревцов</surname><given-names>Н. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Grevtsov</surname><given-names>N. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гревцов Н. Л., науч. сотр. науч.-исслед. лаб. «Материалы и структуры наноэлектроники» (НИЛ 4.3)</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Grevtsov N. L., Researcher at the Scientific Research Laboratory “Materials and Structures of Nanoelectronics” (Lab. 4.3)</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондаренко</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Bondarenko</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бондаренко В. П., зав. НИЛ 4.3</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Bondarenko V. P., Head of the Lab. 4.3</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2024</year></pub-date><volume>22</volume><issue>5</issue><fpage>17</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лопато У.П., Лапутько Д.Д., Гревцов Н.Л., Бондаренко В.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Лопато У.П., Лапутько Д.Д., Гревцов Н.Л., Бондаренко В.П.</copyright-holder><copyright-holder xml:lang="en">Lopato U.P., Laputko D.D., Grevtsov N.L., Bondarenko V.P.</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://doklady.bsuir.by/jour/article/view/3977">https://doklady.bsuir.by/jour/article/view/3977</self-uri><abstract><p>С помощью сканирующей электронной микроскопии изучены структуры поверхности и внутренних областей пористого кремния, полученного анодированием сильнолегированных пластин монокристаллического кремния электронного типа проводимости в растворе фтористоводородной кислоты при различных плотностях тока. Установлено, что на поверхности пористого кремния имеются поры темно-серого и светло-серого цветов, отличающиеся размерами и плотностью расположения. Поры темно-серого цвета имеют большие размеры, а их плотность примерно в 5–10 раз меньше, чем плотность светло-серых пор. Показано, что поры светло-серого цвета представляют собой неразвившиеся поры небольшой глубины, а темно-серые являются входными отверстиями глубоких пор бутылкообразной формы, проходящих от поверхности вглубь монокристалла. Эквивалентные диаметры светло-серых пор на поверхности пористого кремния составляют 12–15 нм и практически не зависят от плотности анодного тока. При этом эквивалентные диаметры темно-серых пор и средние расстояния между их центрами увеличиваются по линейному закону от 15 до 35 нм на поверхности и от 35 до 120 нм для внутренних областей пористого кремния при увеличении плотности тока от 30 до 90 мА/см2. Средняя толщина элементов кремниевого скелета на поверхности составляет около 3 нм и увеличивается до 5–6 нм во внутренних областях пористого кремния. Задавая плотность анодного тока, можно получать слои пористого кремния с различными структурными параметрами. Результаты исследований имеют практическую значимость для формирования композитных материалов на основе пористого кремния, который используется как пористая матрица для осаждения металлов и полупроводников.</p></abstract><trans-abstract xml:lang="en"><p>Using scanning electron microscopy, the structures of the surface and internal regions of porous silicon obtained by anodizing heavily doped plates of single-crystal silicon with electron conductivity in a hydroﬂuoric acid solution at diﬀerent current densities were studied. It is found that the porous silicon surface has dark gray and light gray pores, which diﬀer in size and surface distribution density. Dark gray pores possess larger sizes, and their density is about 5–10 times less than that of light gray pores. Based on the cross-section imagery, it is shown that light gray pores correspond to underdeveloped channels of small depth, while dark gray pores are the entrance points of deep bottle-shaped channels passing from the surface into the depth of the silicon wafer. The equivalent diameters of light gray pores on the surface of porous silicon are 12–15 nm and are practically independent of the anodic current density. At the same time, the equivalent diameters of dark gray pores and average distances between their centers increase linearly from 15 to 35 nm on the surface and from 35 to 120 nm in the volume of porous silicon when the current density is increased from 30 to 90 mA/cm2. The average thickness of silicon skeleton elements is about 3 nm on the surface and increases to 5–6 nm in the volume. By setting the density of the anode current, it is possible to obtain layers of porous silicon with diﬀerent structural parameters. The obtained research results have practical signiﬁcance for the formation of composite materials based on porous silicon, which can be used as a porous matrix for the deposition of metals and semiconductors.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сканирующая электронная микроскопия</kwd><kwd>анализ изображений</kwd><kwd>электрохимическое анодирование</kwd><kwd>плотность анодного тока</kwd><kwd>пористый кремний</kwd><kwd>плотность пор</kwd><kwd>эквивалентный диаметр</kwd></kwd-group><kwd-group xml:lang="en"><kwd>scanning electron microscopy</kwd><kwd>image analysis</kwd><kwd>electrochemical anodizing</kwd><kwd>anodic current density</kwd><kwd>porous silicon</kwd><kwd>pore density</kwd><kwd>equivalent diameter</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность Д. В. Жигулину за проведение измерений с использованием сканирующей электронной микроскопии. Исследования выполнены в рамках решения задач проекта Белорусского республиканского фонда фундаментальных исследований № Т23М-040 и грантов Министерства образования Республики Беларусь для магистрантов.</funding-statement><funding-statement xml:lang="en">The authors are grateful to D. V. Zhigulin for conducting scanning electron microscopy measurements. The research was conducted as part of task No T23M-040 for the Belarusian Republican Foundation for Fundamental Research, as well as Master’s Student grants provided by the Ministry of Education of the Republic of Belarus.</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">Uhlir A. (1956) Electrolytic Shaping of Germanium and Silicon. Bell Syst. Tech. 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