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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-982</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>Микроструктурный анализ стекла, предназначенного для локализации радиоактивных отходов, методами комбинационного рассеяния света и ИК-Фурье-спектроскопии</article-title><trans-title-group xml:lang="en"><trans-title>Microstructural Analysis of a Glass Dedicated to the Radioactive Waste Confinement by Raman and FTIR Spectroscopy</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>Moudir</surname><given-names>D.</given-names></name><name name-style="western" xml:lang="en"><surname>Moudir</surname><given-names>D.</given-names></name></name-alternatives><email xlink:type="simple">dalilamoudir@yahoo.fr</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>Kamel</surname><given-names>N.</given-names></name><name name-style="western" xml:lang="en"><surname>Kamel</surname><given-names>N.</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>Mouheb</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Mouheb</surname><given-names>Y.</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>Sadji</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Sadji</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Константина</p></bio><bio xml:lang="en"><p>BP 75, A, New city RP, Constantine</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Hamiane</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Hamiane</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Константина</p></bio><bio xml:lang="en"><p>BP 75, A, New city RP, Constantine</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Алжирский центр ядерных исследований</institution></aff><aff xml:lang="en"><institution>Algiers Nuclear Research Centre, Division of Nuclear Techniques, Alger-RP</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Политехническая национальная школа Константины, Университетский городок Али Менджели</institution></aff><aff xml:lang="en"><institution>Polytechnic National School of Constantine, New University City Ali Mendjeli</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>03</day><month>02</month><year>2022</year></pub-date><volume>89</volume><issue>1</issue><fpage>131</fpage><lpage>137</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Moudir D., Kamel N., Mouheb Y., Sadji A., Hamiane Y., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Moudir D., Kamel N., Mouheb Y., Sadji A., Hamiane Y.</copyright-holder><copyright-holder xml:lang="en">Moudir D., Kamel N., Mouheb Y., Sadji A., Hamiane Y.</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://zhps.ejournal.by/jour/article/view/982">https://zhps.ejournal.by/jour/article/view/982</self-uri><abstract><p>Исследованы структурные изменения в молибденовых стеклах с содержанием Cs2O 0.3–0.6 мас.%, предназначенных для локализации радиоактивных отходов. Синтез стекол проведен</p><p>методом двойного плавления при 1380 °C с последующим отжигом при 600 °C. Неодим – симулятор актинида. Физические и микроструктурные свойства стекол охарактеризованы с помощью различных спектроскопических методов. Геометрическая плотность стекол 1.96–2.75 г/см3. Рентгеноструктурный анализ показывает аморфные особенности со следами кристаллических зародышей, идентифицированных как фаза повеллита CaMoO4, которые образуются во время охлаждения стекла. ИК-Фурье-анализ выявляет основные химические связи в стеклах: Si-O-Si и O-Si-O в SiO4, B-O-B в BO3 и Al-O-Al в AlO4. Добавление Cs2O увеличивает скорость полимеризации стекла, а затем снижает количество атомов кислорода без мостикового соединения. КР-спектроскопический анализ выявляет полосы поглощения MoO42– в CaMoO4. Окружающая среда Mo изменяется при добавлении Cs2O в стекло, о чем свидетельствуют смещения полос поглощения при 319, 792 и 844 см–1. Полоса поглощения при 700 см–1, приписываемая удлинению SiO4 и AlO4, ослабеваетпри содержании Cs2O 0.4 и 0.6 % и сдвигается до 680–900 см–1 из-за высокого содержания в стекле Мо, однако с ростом содержания Cs2O увеличивается по интенсивности, нарушая щелочные позиции Са и Na. Cs остается растворимым в стекле. Таким образом, небольшое увеличение содержания Cs2O ингибирует фазовое разделение молибдатов Na и Ca. Анализ стекол не показывает особых изменений валентностей лантаноидов, которые находятся в степени окисления +III. Добавление Cs2O в стеклянную сетку такого вида остается проблемой согласованности ее микроструктуры. При этом ~0.6 мас.% Cs2O включено в сетку стекла без сегрегации фаз Cs2O.</p></abstract><trans-abstract xml:lang="en"><p>This study deals with the structural changes occurring in a Mo-reach glass dedicated to the confinement of Mo-reach radioactive waste that contains different contents of Cs2O oxide, ranging from 0.3 to 0.6 wt.%. The glass synthesis was carried out by the double melting method at 1380°C, followed by a stage of 2 h at 600°C. Neodymium was an actinide simulator. The glasses were characterized by their physical and microstructural properties using different spectroscopic techniques. As the experiment shows, the glass geometrical density varies between 1.96 and 2.75g/cm3. X-ray diffraction (XRD) analysis shows amorphous features, with traces of crystalline germs, identified as the CaMoO4 powellite phase, which probably formed during glass cooling. Fourier transform infra-red (FTIR) analysis reveals the main chemical bounds in the glasses: Si-O-Si and O-Si-O in SiO4, B-O-B in BO3, and Al-O-Al in AlO4. The addition of Cs2O raises the rate of polymerization in the glass network and then decreases the number of no-bridged oxygens (NBO). Raman spectroscopic analysis reveals the absorption bands of MoO42– in CaMoO4. It shows that the Mo environment is altered by the addition of increasing contents of Cs2O in the glass. This is evidenced by the absorption bands shifts at 319, 792, and 844 cm–1. The absorption band located at 700 cm–1, ascribed to the elongation of SiO4 and AlO4, is attenuated for 0.4 and 0.6% of the Cs2O content. It shifts to 680–900 cm–1 due to the glass high Mo content but increases in intensity with the Cs2O content, thus disturbing the alkali positions of Ca and Na, with Cs remaining soluble in the glass. One can conclude that a little rise in the Cs2O content inhibits the phase separation of both Na and Ca molybdates. The glasses analyses do not show particular changes in the lanthanide valences, which are probably in a +III oxidation state. The addition of Cs2O in this kind of glass network remains an issue with respect to the coherence of its microstructure. However, about 0.6 wt.% of Cs2O has been incorporated in the glass network, with no Cs2O phases segregation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стекло для локализации радиоактивных отходов</kwd><kwd>Mo</kwd><kwd>Cs</kwd><kwd>спектроскопия комбинационного рассеяния света</kwd><kwd>инфракрасная спектроскопия с преобразованием Фурье</kwd><kwd>дифракция рентгеновских лучей</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nuclear glass</kwd><kwd>Mo</kwd><kwd>Cs</kwd><kwd>Raman</kwd><kwd>Fourier transform infra-red analysis</kwd><kwd>X-ray diffraction</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">O. Méplan, A. Nuttin. La Gestion des Déchets Nucléaires. Images de la Physique, Ed. Orsay, France, 9–17 (2006).</mixed-citation><mixed-citation xml:lang="en">O. Méplan, A. Nuttin. La Gestion des Déchets Nucléaires. Images de la Physique, Ed. 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