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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestifm-88</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>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>ДИЭЛЕКТРИЧЕСКИЕ ХАРАКТЕРИСТИКИ МОНОКРИСТАЛЛОВ TlGaS2, ДОПИРОВАННЫХ Со и Yb</article-title><trans-title-group xml:lang="en"><trans-title>DIELECTRIC PROPERTIES OF Co- And Yb-DOPED SINGLE CRYSTALS OF TlGaS2</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>Гуртовой</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Hurtavy</surname><given-names>V. G.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шелег</surname><given-names>А. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Sheleg</surname><given-names>A. U.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мустафаева</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Mustafaeva</surname><given-names>S. N.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Керимова</surname><given-names>Э. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kerimova</surname><given-names>E. M.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-практический центр НАН Беларуси по материаловедению, Минск</institution></aff><aff xml:lang="en"><institution>Scientific and Practical Materials Research Centre of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики НАН Азербайджана, Баку</institution></aff><aff xml:lang="en"><institution>Institute of Physics Azerbaijan National Academy of Sciences, Baku</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>18</day><month>05</month><year>2016</year></pub-date><volume>0</volume><issue>2</issue><fpage>98</fpage><lpage>102</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гуртовой В.Г., Шелег А.У., Мустафаева С.Н., Керимова Э.М., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Гуртовой В.Г., Шелег А.У., Мустафаева С.Н., Керимова Э.М.</copyright-holder><copyright-holder xml:lang="en">Hurtavy V.G., Sheleg A.U., Mustafaeva S.N., Kerimova E.M.</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://vestifm.belnauka.by/jour/article/view/88">https://vestifm.belnauka.by/jour/article/view/88</self-uri><abstract><p>Проведены исследования электропроводности и диэлектрических характеристик монокристаллов TlGaS2, TlGa0,999Yb0,001S2 и TlGa0,99 Co0,01S2 в интервале температур 150–320 К на частотах измерительного поля 103 –106 Гц. Определены значения обобщенной энергии активации основных носителей заряда в этих кристаллах. Показано, что абсолютные значения изученных характеристик возрастают при увеличении температуры. На кривых температурной зависимости диэлектрической проницаемости исследуемых кристаллов обнаружены аномалии в виде широких максимумов, свидетельствующие о наличии структурных превращений в них в области температур ~ 170–250 К. Выявлена дисперсия диэлектрических свойств исследованных монокристаллов: с ростом частоты значения диэлектрической проницаемости уменьшаются, а удельной электропроводности – увеличиваются. Показано, что легирование кристаллов TlGaS2 кобальтом и иттербием приводит к уменьшению значений диэлектрической проницаемости и увеличению значений электропроводности.</p></abstract><trans-abstract xml:lang="en"><p>Electrical conductivity and dielectric properties of TlGaS2, TlGa0,999Yb0,001S2 and TlGa0,99 Co0,01S2  single crystals are investigated in the temperature range 150–320 K at the measuring field frequencies of 103 –106 Hz. The values of generalized activation energy of charge carriers in these crystals are determined. It is shown that the absolute values of the characteristics studied increase with temperature. The temperature dependences of the dielectric constant of these crystals have revealed the anomalies in the form of wide peaks, indicating the presence of their structural changes at temperatures ~ 170–250 K. The dispersion of the dielectric properties of the single crystals under study is seen: with a frequency growth the dielectric constant values decrease, and electrical conductivity values increase. It is found that the cobalt and ytterbium doping of TlGaS2 crystals decrease permittivity values and increase electrical conductivity values.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Delgado G. E., Mora A. J., Pérez F. V. et. al. // Physica B: Condens. Matter. 2007. Vol. 391, N 2. P. 385–388.</mixed-citation><mixed-citation xml:lang="en">Delgado G. E., Mora A. J., Pérez F. V. et. al. // Physica B: Condens. Matter. 2007. Vol. 391, N 2. P. 385–388.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Henkel W., Hochheimer H. D., Carlone C. et. al. // Phys. Rev. B. 1982. Vol. 26, N 6. 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