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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 pub-id-type="doi">10.47612/0514-7506-2022-89-3-425-427</article-id><article-id custom-type="elpub" pub-id-type="custom">zhps-1063</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Концентрационные эффекты в радиохромном поведении нанокомпозитов поливиниловый спирт–фосфорно-вольфрамовая кислота</article-title><trans-title-group xml:lang="en"><trans-title>Concentration Effects in the Radiochromic Behavior of Polyvinyl Alcohol–Phosphotungstic Acid Nanocomposites</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>Сушко</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Sushko</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Протосовская</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Protosovskaya</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Третинников</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Tretinnikov</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">o.tretinnikov@ifanbel.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>26</day><month>05</month><year>2022</year></pub-date><volume>89</volume><issue>3</issue><fpage>425</fpage><lpage>427</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сушко Н.И., Протосовская А.В., Третинников О.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Сушко Н.И., Протосовская А.В., Третинников О.Н.</copyright-holder><copyright-holder xml:lang="en">Sushko N.I., Protosovskaya A.V., Tretinnikov O.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://zhps.ejournal.by/jour/article/view/1063">https://zhps.ejournal.by/jour/article/view/1063</self-uri><abstract><p>Окрашивание пленок поливиниловый спирт–фосфорно-вольфрамовая кислота (ПВС–ФВК) под действием гамма-излучения исследовано при разных концентрациях ФВК. Установлено, что при минимальной концентрации (1 %) окрашивание пленок происходит в результате радиационно-индуцированного восстановления гетерополианиона двумя электронами, тогда как при высоких концентрациях (≥20 %) имеет место одноэлектронное восстановление. В промежуточном диапазоне концентраций доля гетерополианионов ФВК, восстановленных двумя электронами, снижается при одновременном росте доли одноэлектронно-восстановленных анионов.</p></abstract><trans-abstract xml:lang="en"><p>Coloration of polyvinyl alcohol–phosphotungstic acid (PVA–PTA) films by gamma radiation was studied at different concentrations of PTA. It was found that at a minimum concentration (1%), the coloration of the films occurs as a result of radiation-induced reduction of heteropolyanion by two electrons, while at high concentrations (≥20%), one-electron reduction takes place. In the intermediate range of concentrations, the fraction of PTA heteropolyanions reduced by two electrons decreases with a simultaneous increase in the fraction of one-electron reduced anions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нанокомпозит</kwd><kwd>радиохромизм</kwd><kwd>поливиниловый спирт</kwd><kwd>фосфорно-вольфрамовая кислота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanocomposite</kwd><kwd>radiochromism</kwd><kwd>polyvinyl alcohol</kwd><kwd>phosphotungstic acid</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. N. Tretinnikov, N. I. Sushko. Appl. Phys. A, 125 (2019) 828</mixed-citation><mixed-citation xml:lang="en">O. N. Tretinnikov, N. I. Sushko. Appl. Phys. A, 125 (2019) 828</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">L. M. Ai, W. Feng, J. Chen, Y. Liu, W. 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