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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Glass Physics and Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Glass Physics and Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Физика и химия стекла</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0132-6651</issn><issn publication-format="electronic">3034-6134</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">696669</article-id><article-id pub-id-type="doi">10.7868/S3034613425040093</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">La<sub>2</sub>BaLu<sub>2</sub>O<sub>7</sub>: Новый смешанный кислородно-ионный проводник</article-title><trans-title-group xml:lang="ru"><trans-title>La<sub>2</sub>BaLu<sub>2</sub>O<sub>7</sub>: Новый смешанный кислородно-ионный проводник</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ershov</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Ершов</surname><given-names>Д. С.</given-names></name></name-alternatives><email>ershov.d.s@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Popova</surname><given-names>V. F.</given-names></name><name xml:lang="ru"><surname>Попова</surname><given-names>В. Ф.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sinelshchikova</surname><given-names>O. Y.</given-names></name><name xml:lang="ru"><surname>Синельщикова</surname><given-names>О. Ю.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tugova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Тугова</surname><given-names>Е. А.</given-names></name></name-alternatives><email>katugova@mail.ioffe.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Silicate Chemistry named after I.V. Grebenshchikov (Branch of NRC 'Kurchatov Institute' - PIKH)</institution></aff><aff><institution xml:lang="ru">Институт химии силикатов им. И.В. Гребенщикова (Филиал НИЦ “Курчатовский институт” – ПИЯФ–ИХС)</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Ioffe Institute</institution></aff><aff><institution xml:lang="ru">Физико-технический институт им. А.Ф. Иоффе РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2025</year></pub-date><volume>51</volume><issue>4</issue><issue-title xml:lang="en">VOL 51, NO4 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 51, №4 (2025)</issue-title><fpage>482</fpage><lpage>489</lpage><history><date date-type="received" iso-8601-date="2025-11-20"><day>20</day><month>11</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://jdigitaldiagnostics.com/0132-6651/article/view/696669">https://jdigitaldiagnostics.com/0132-6651/article/view/696669</self-uri><abstract xml:lang="en"><p>Активно ведется разработка новых керамических материалов, которые обладают ионной проводимостью и могут быть использованы в качестве компонентов в различных электрохимических устройствах. Это исследование сосредоточено на изучении электропроводности полученного недавно слоистого перовскитоподобного оксида La<sub>2</sub>BaLu<sub>2</sub>O<sub>7</sub>, обладающего двухслойной структурой Руддлесдена-Поппера. Соединения с данной структурой проявляют ионную проводимость, уровень которой зависит от замещений в кристаллической решетке. Было установлено, что электропроводность в La<sub>2</sub>BaLu<sub>2</sub>O<sub>7</sub> имеет смешанный кислородно-ионный характер, при этом ионная проводимость составляет в среднем 66.5% от общей проводимости.</p></abstract><trans-abstract xml:lang="ru"><p>Активно ведется разработка новых керамических материалов, которые обладают ионной проводимостью и могут быть использованы в качестве компонентов в различных электрохимических устройствах. Это исследование сосредоточено на изучении электропроводности полученного недавно слоистого перовскитоподобного оксида La<sub>2</sub>BaLu<sub>2</sub>O<sub>7</sub>, обладающего двухслойной структурой Руддлесдена-Поппера. Соединения с данной структурой проявляют ионную проводимость, уровень которой зависит от замещений в кристаллической решетке. Было установлено, что электропроводность в La<sub>2</sub>BaLu<sub>2</sub>O<sub>7</sub> имеет смешанный кислородно-ионный характер, при этом ионная проводимость составляет в среднем 66.5% от общей проводимости.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фазы Руддлесдена-Поппера</kwd><kwd>La<sub>2</sub>BaLu<sub>2</sub>O<sub>7</sub></kwd><kwd>кислородно-ионная проводимость</kwd><kwd>электрический транспорт</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках темы “Материалы нового поколения для инновационного развития энергетики” № 1024030700042-1-1.4.3 государственного задания филиала НИЦ “Курчатовский институт” – ПИЯФ – ИХС.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ruddlesden S.N., Popper P. The compounds Sr<sub>3</sub>Ti<sub>2</sub>O<sub>7</sub> and its structure //Acta Crystallogr. 1958. V. 11. No 1. 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