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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">vsgiu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Сибирского государственного индустриального университета</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the Siberian State Industrial University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2304 - 4497</issn><issn pub-type="epub">2307-1710</issn><publisher><publisher-name>Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный индустриальный университет"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.57070/2304-4497-2025-4(54)-60-74</article-id><article-id custom-type="elpub" pub-id-type="custom">vsgiu-861</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>Раздел 2. Металлургия и материаловедение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Section 2. Metallurgy and Materials Science</subject></subj-group></article-categories><title-group><article-title>ДИЭЛЕКТРИЧЕСКИЕ СВОЙСТВА И ЭЛЕКТРОПРОВОДНОСТЬ ПОЛИКРИСТАЛЛИЧЕСКИХ ПЛЕНОК Bi2Te3 ‒ Bi2Sb3 В МИКРОВОЛНОВОМ ПОЛЕ И ПРИ МЕХАНИЧЕСКОЙ ДЕФОРМАЦИИ</article-title><trans-title-group xml:lang="en"><trans-title>DIELECTRIC PROPERTIES AND ELECTRICAL CONDUCTIVITY OF POLYCRYSTALLINE Bi2Te3-Bi2Sb3 FILMS IN A MICROWAVE FIELD AND UNDER MECHANICAL DEFORMATION</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9350-9284</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сиддиков</surname><given-names>Рустамжон Уктамович</given-names></name><name name-style="western" xml:lang="en"><surname>Siddikov</surname><given-names>Rustamjon Uk.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший преподаватель</p></bio><bio xml:lang="en"><p>head teacher</p></bio><email xlink:type="simple">sidrus1073@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/0000-0003-0790-1584</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сулаймонов</surname><given-names>Хусанбой Маннопович</given-names></name><name name-style="western" xml:lang="en"><surname>Sulaymonov</surname><given-names>Xusanboy M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Dsc, докторант кафедры физики</p></bio><bio xml:lang="en"><p>DSc doctorand</p></bio><email xlink:type="simple">xusanboy.sulaymonov@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/0000-0003-0226-3528</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юлдашев</surname><given-names>Носиржон Хайдарович</given-names></name><name name-style="western" xml:lang="en"><surname>Yuldashev</surname><given-names>Nosirjon Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.ф.-м.н., профессор, профессор кафедры физики</p></bio><bio xml:lang="en"><p>Dr. Sci. (Phys.-Math.), Professor, Professor of the Department of Physics</p></bio><email xlink:type="simple">vestnicsibgiu@sibsiu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кокандский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kokand State Universität</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Ферганский политехнический институт</institution><country>Russian Federation</country></aff><aff xml:lang="en"><institution>Fergana State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2025</year></pub-date><volume>0</volume><issue>4</issue><fpage>60</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сиддиков Р., Сулаймонов Х., Юлдашев Н., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Сиддиков Р., Сулаймонов Х., Юлдашев Н.</copyright-holder><copyright-holder xml:lang="en">Siddikov R., Sulaymonov X., Yuldashev N.</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://vestnik.sibsiu.ru/jour/article/view/861">https://vestnik.sibsiu.ru/jour/article/view/861</self-uri><abstract><p>Представлены результаты исследования диэлектрических и электрических свойств поликристаллических пленок твердого раствора Bi2Te3 ‒ Bi2Sb3 под действием микроволнового поля и механической деформации с целью определения механизмов влияния точечных и протяженных неоднородностей. Рассмотрены спектры диэлектрической проницаемости в зависимости от состава, температурные зависимости удельной проводимости и импеданса пленок при одноосной статической деформации. Обнаруженные СВЧ и деформационные явления в поликристаллических пленках качественно проанализированы на основе модели эффективной среды. Показано, что инфракрасные спектры диэлектрической проницаемости ( , ), удельной электропроводности ( , )) и коэффициента поглощения  твердого раствора (BixSb1‒x)2Te3 в зависимости от значения 0 &lt; x &lt; 0,5 и деформации коррелируются. Причем теоретические значения  в области энергии фотонов  несколько меньше, чем экспериментальных, а при  имеет место обратная ситуация. Во всех спектрах наблюдаются пороговые значения частоты с характерными максимумами в области примесного поглощения , связанных коллективными возбуждениями электрон-плазменного взаимодействия. Экспериментально установлено, что для свежеприготовленных пленок под действием умеренной деформации растяжения зависимость импеданса от температуры  испытывает радикальное изменение с деформацией до  при температуре  и наблюдается лишь металлическая проводимость, а затем в интервале температур  происходит инверсия знака температурного коэффициента импеданса g(e). Критические значения температуры Тk,  и их разность уменьшаются с ростом величины e. При деформациях  наступает условие  и исчезает падающий участок кривой . Тензочувствительность  пленок в СВЧ поле сильно зависят от температуры и времени термической обработки, причем при температуре Тотж » 500 К и времени tотж » 2 ‒ 3 ч приобретает наиболее оптимальные и стабильные значения.   </p></abstract><trans-abstract xml:lang="en"><p>The results of a study of the dielectric and electrical properties of polycrystalline films of a Bi2Te3 ‒ Bi2Sb3 solid solution under the influence of a microwave field and mechanical deformation are presented in order to determine the mechanisms of influence of point and extended inhomogeneities. The spectra of dielectric permittivity depending on the composition, temperature dependences of the specific conductivity and impedance of films under uniaxial static deformation are considered. The detected microwave and deformation phenomena in polycrystalline films are qualitatively analyzed based on the effective medium model. It is shown that the infrared spectra of dielectric permittivity ( , ), electrical conductivity ( , ) and absorption coefficient of a solid solution (BixSb1‒x)2Te3, depending on the value 0 &lt; x &lt; 0.5, and deformations are correlated. Moreover, the theoretical values in the field of photon energy are somewhat lower than the experimental ones, and the opposite situation occurs. Threshold frequency values with characteristic maxima in the impurity absorption region associated with collective excitations of the electron-plasma interaction are observed in all spectra. It has been experimentally established that for freshly prepared films, under the influence of moderate tensile strain, the impedance dependence on temperature undergoes a radical change with deformation up to at the same temperature and only metallic conductivity is observed, and then the sign of the temperature coefficient of the impedance g(e) inverts in the temperature range. The critical values of the Tc temperature and their difference decrease with an increase in the value of e. During deformations, a condition occurs and the falling section of the curve disappears. The strain sensitivity of films in the microwave field strongly depends on the temperature and time of thermal treatment, and at a temperature of about Т »  500 K and a time of about t » 2‒3hours, it acquires the mostoptimalandstablevalues.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поликристаллическая пленка</kwd><kwd>теллурид висмута-сурьмы</kwd><kwd>электропроводность</kwd><kwd>тензочувствительность</kwd><kwd>микроволновое поле</kwd><kwd>импеданс</kwd><kwd>комплексная диэлектрическая проницаемость</kwd><kwd>коэффициент поглощения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polycrystalline film</kwd><kwd>bismuth-antimony telluride</kwd><kwd>electrical conductivity</kwd><kwd>strain sensitivity</kwd><kwd>microwave field</kwd><kwd>impedance</kwd><kwd>complex dielectric constant</kwd><kwd>absorption coefficient</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">Khalid Bin Masood, Umar Farooq, Jai Singh. 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