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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">nguphys</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский физический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>SIBERIAN JOURNAL OF PHYSICS</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9447</issn><publisher><publisher-name>Новосибирский государственный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25205/2541-9447-2020-15-2-5-13</article-id><article-id custom-type="elpub" pub-id-type="custom">nguphys-133</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>РАДИОФИЗИКА И ЭЛЕКТРОНИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RADIOPHYSICS AND ELECTRONICS</subject></subj-group></article-categories><title-group><article-title>Взаимосвязь оптических коэффициентов сверхтонких металлических пленок и геометрических параметров морфологии их поверхностей</article-title><trans-title-group xml:lang="en"><trans-title>The Interrelation between the Optical Coefficients of Ultrathin Metal Films and Their Geometric Parameters of Surface Morphology</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>Мазинов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mazinov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мазинов Алим Сеит-Аметович, кандидат технических наук, доцент кафедры радиофизики и электроники</p><p>Симферополь</p><p> </p></bio><bio xml:lang="en"><p>Alim S. Mazinov, PhD, assoc. professor of the Department of Radiophysics and Electronics</p></bio><email xlink:type="simple">mazinovas@cfuv.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Крымский федеральный университет им. В. И. Вернадского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V. I. Vernadsky Crimean Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>13</day><month>04</month><year>2021</year></pub-date><volume>15</volume><issue>2</issue><fpage>5</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мазинов А.С., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Мазинов А.С.</copyright-holder><copyright-holder xml:lang="en">Mazinov A.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://nguphys.elpub.ru/jour/article/view/133">https://nguphys.elpub.ru/jour/article/view/133</self-uri><abstract><p>Приведены теоретические и экспериментальные данные по исследованию оптических коэффициентов взаимодействия электромагнитных волн сверхвысокочастотного диапазона 2–4,5 ГГц и их взаимосвязи с толщинами проводящих плёнок на примере алюминия. Показано, что преобразование рельефа тонкопленочной структуры при увеличении объемной массы осажденного материала обуславливает увеличение шероховатости поверхности с максимумом на 7 нанометрах. Замечательным является тот факт, что именно при данных толщинах исследуемых пленок в эксперименте достигается максимум поглощения падающей электромагнитной волны. При этом теоретический расчет коэффициентов отражения, пропускания и поглощения показал максимальное поглощение падающей волны на толщинах 5 нм. Отличие экспериментальных и теоретических значений коэффициента поглощения объясняется неидеальностью геометрии сверхтонких проводящих поверхностей. Сама же пленка при толщине от 1 нм до 10 нм формируется в виде отдельных наноостровков.</p></abstract><trans-abstract xml:lang="en"><p>Abstract</p><p>The theoretical and experimental data on the study of the optical coefficients of electromagnetic waves in the super high frequency range 2–4,5 GHz and their relationship with the thickness of the conductive films by the example of aluminum are presented. It is showed that transformation of the relief of a thin-film structure with an increase in the bulk mass of the deposited material causes an increase in surface roughness with a maximum of 7 nanometers. It is worth noting that exactly for these thicknesses of the studied films the maximum absorption of the incident electromagnetic wave is experimentally achieved. Meanwhile, a theoretical calculation of the reflection, transmission and absorption coefficients showed the maximum absorption of the incident wave at a thickness of 5 nm. The difference between the experimental and theoretical values of the absorptivity is explained by the non-ideal geometry of ultrathin conductive surfaces. At the thicknesses from 1 nm to 10 nm the film itself is formed in the form of separate nanoislands.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оптические коэффициенты</kwd><kwd>электромагнитное взаимодействие</kwd><kwd>сверхтонкие структуры</kwd><kwd>металлические пленки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>optical coefficients</kwd><kwd>electromagnetic interaction</kwd><kwd>ultrathin structures</kwd><kwd>metal films</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">Emdadul Huq Minhaj, Shahara Rahman Esha, Md. Mohsinur Rahman Adnan, Tuhin Dey. Impact of Channel Length Reduction and Doping Variation on Multigate FinFETs. 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