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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2024-60-4-281-289</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-914</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>ФИЗИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Новые оксотеллуриты гадолиния: синтез и характеристика</article-title><trans-title-group xml:lang="en"><trans-title>New gadolinium oxotellurites: synthesis and characteristics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0853-523X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рустембеков</surname><given-names>К. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Rustembekov</surname><given-names>K. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рустембеков Кенжебек Тусупович – доктор химических наук, академик Казахстанской национальной академии естественных наук, профессор</p><p>ул. Университетская, 28, 100024, Караганда</p></bio><bio xml:lang="en"><p>Rustembekov Kenzhebek T. – Dr. Sc. (Chemistry), Professor, Academician of Kazakhstan National Academy of Natural Sciences</p><p>28, Universitetskaya Str., 100024, Karaganda</p></bio><email xlink:type="simple">rustembekov_kt@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>Тойбек</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Toibek</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тойбек Айтолкын Аблайкызы – докторант</p><p>ул. Университетская, 28, 10002</p></bio><bio xml:lang="en"><p>Toibek Aitolkyn A. – Ph. D. Student</p><p>28, Universitetskaya Str., 100024, Karaganda</p></bio><email xlink:type="simple">aitoka_95@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/0000-0001-9394-0592</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Касенов</surname><given-names>Б. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kasenov</surname><given-names>B. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Касенов Булат Кунурович – доктор химических наук, профессор, академик Казахстанской национальной академии естественных наук</p><p>ул. Ермекова, 63, 100050, Караганда</p></bio><bio xml:lang="en"><p>Kasenov Bulat K. – Dr. Sc. (Chemistry), Professor, Academician of Kazakhstan National Academy of Natural Sciences</p><p>63, Ermekov Str., 100050, Karagandy</p></bio><email xlink:type="simple">kasenov1946@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9288-2797</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стоев</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Stoev</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Митко Стоев – кандидат наук, доцент</p><p>ул. Ивана Михаилова, 66, 2700, Благоевград</p></bio><bio xml:lang="en"><p>Stoev Mitko – Ph. D., Associate Professor</p><p>66, Ivan Mikhailov Str., Blagoevgrad</p></bio><email xlink:type="simple">mstoev@mail.bg</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Карагандинский университет имени академика Е. А. Букетова</institution></aff><aff xml:lang="en"><institution>Karaganda Buketov University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Химико-металлургический институт имени Ж. Абишева</institution></aff><aff xml:lang="en"><institution>Zh. Abishev Chemical Metallurgical Institute</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Юго-Западный университет «Неофит Рильский»</institution></aff><aff xml:lang="en"><institution>South-West University ˮNeofit Rilskiˮ</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>11</month><year>2024</year></pub-date><volume>60</volume><issue>4</issue><fpage>281</fpage><lpage>289</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рустембеков К.Т., Тойбек А.А., Касенов Б.К., Стоев М., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Рустембеков К.Т., Тойбек А.А., Касенов Б.К., Стоев М.</copyright-holder><copyright-holder xml:lang="en">Rustembekov K.T., Toibek A.A., Kasenov B.K., Stoev 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://vestichem.belnauka.by/jour/article/view/914">https://vestichem.belnauka.by/jour/article/view/914</self-uri><abstract><p>Методом керамической технологии с твердофазным взаимодействием оксидов Gd2O3 и TeO2 с карбонатами MgCO3, CaCO3 синтезированы оксотеллуриты гадолиния GdMeTeO4,5 (Me–Mg, Сa). Рентгенографические характеристики получены при помощи порошкового дифрактометра Empyrean и специализированных программ Data Collector версии 7.7h и X'Pert HighScore Plus с использованием баз данных Crystallography Open Database и PDF-2. На основании рентгенографических исследований установлено, что синтезированные теллуриты кристаллизуются в тетрагональной сингонии. Достоверность и корректность результатов индицирования подтверждают удовлетворительное совпадение величин экспериментальных и расчетных параметров кристаллической решетки, объемов элементарных ячеек, рентгеновской и пикнометрической плотностей. Исследованием температурной зависимости электросопротивления теллурита гадолиния – магния установлено, что соединение может обладать полупроводниковыми свойствами с шириной запрещенной зоны ∆Е = 2,64 ± 0,13 ∙ 10–2 эВ. Результаты могут быть использованы для синтеза и изучения новых производных теллура и редкоземельных элементов и представляют интерес для электронной технологии. Рентгенографические характеристики новых теллуритов s-, f-элементов являются исходными материалами для включения в фундаментальные банки данных и справочники. </p></abstract><trans-abstract xml:lang="en"><p>Gadolinium oxotellurites GdMeTeO4.5 (Me – Mg, Ca) were synthesized using ceramic technology with solidphase interaction of oxides Gd2O3 and TeO2 with carbonates MgCO3 and CaCO3. X-ray characteristics were obtained using an Empyrean powder diffractometer and specialized programs Data Collector version 7.7h and X’Pert HighScore Plus using the Crystallography Open Database and PDF-2. Based on X-ray studies, it was established that the synthesized tellurites crystallize in a tetragonal syngony. The reliability and correctness of the indexing results is confirmed by the satisfactory agreement between the experimental and calculated parameters of the crystal lattice, unit cell volumes, X-ray and pycnometric densities. A study of the temperature dependence of the electrical resistance of gadolinium-magnesium tellurite has established that the compound may have semiconductor properties, with a band gap ∆E = 2.64 ± 0.13 ∙ 10–2 eV. The results can be used for the synthesis and study of new derivatives of tellurium and rare earth elements and are of interest for electronic technology. X-ray characteristics of new tellurites of s-, f-elements are the starting materials for inclusion in fundamental data banks and reference books.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гадолиний</kwd><kwd>теллуриты</kwd><kwd>синтез</kwd><kwd>рентгенография</kwd><kwd>индицирование</kwd><kwd>электросопротивление</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gadolinium</kwd><kwd>tellurites</kwd><kwd>synthesis</kwd><kwd>radiography</kwd><kwd>indexing</kwd><kwd>electrical resistance</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">Perovskite oxides: preparation, characterizations, and applications in heterogeneous catalysis / J. Zhu [et al.] // ACS Catal. – 2014. –Vol. 4, № 9. – P. 2917–2940. https://doi.org/10.1021/cs500606g</mixed-citation><mixed-citation xml:lang="en">Zhu J., Li, H., Zhong, L., Xiao P., Xu X., Yang X., Li J. 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