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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">Doklady Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Doklady Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Российской академии наук. Химия, науки о материалах</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-9535</issn><issn publication-format="electronic">3034-5111</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">683264</article-id><article-id pub-id-type="doi">10.31857/S2686953525010036</article-id><article-id pub-id-type="edn">AWJMSS</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ХИМИЯ</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">Oxygen exchange and mechanism of oxygen intake by complex oxides with a swedenborgite structure</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности кислородного обмена и механизм поглощения кислорода сложными оксидами со структурой сведенборгита</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Turkin</surname><given-names>D. I.</given-names></name><name xml:lang="ru"><surname>Туркин</surname><given-names>Д. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>turkin@ihim.uran.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Reznitskikh</surname><given-names>O. G.</given-names></name><name xml:lang="ru"><surname>Резницких</surname><given-names>О. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>turkin@ihim.uran.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kozhevnikov</surname><given-names>V. L.</given-names></name><name xml:lang="ru"><surname>Кожевников</surname><given-names>В. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Academician of the RAS<bold> </bold></p></bio><bio xml:lang="ru"><p>академик РАН<bold> </bold></p></bio><email>turkin@ihim.uran.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Solid State Chemistry of the Ural Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт химии твердого тела Уральского отделения Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2025</year></pub-date><volume>520</volume><issue>1</issue><fpage>23</fpage><lpage>32</lpage><history><date date-type="received" iso-8601-date="2025-06-07"><day>07</day><month>06</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://journals.eco-vector.com/2686-9535/article/view/683264">https://journals.eco-vector.com/2686-9535/article/view/683264</self-uri><abstract xml:lang="en"><p>The kinetics of oxygen sorption from air by Y<sub>0.8</sub>Ca<sub>0.2</sub>BaCo<sub>4-x</sub>Fe<sub>x</sub>O<sub>7+</sub><sub>δ</sub> (<italic>x</italic> = 0, 1) is studied by nonisothermal thermogravimetric measurements. The activation energy is calculated by model-free methods of Friedman, Starink and Vyazovkin. The master plot and Coates–Redfern methods are applied to determine the mechanism of oxygen intake. The results show the activation energies and frequency factors are 189 and 197 kJ mol<sup>–1</sup> and 4.7 <italic>×</italic> 10<sup>13</sup> and 2.3 <italic>×</italic> 10<sup>14</sup> min<sup>–1</sup> in Y<sub>0.8</sub>Ca<sub>0.2</sub>BaCo<sub>4</sub>O<sub>7+</sub><sub>δ</sub> and Y<sub>0.8</sub>Ca<sub>0.2</sub>BaCo<sub>3</sub>FeO<sub>7+</sub><sub>δ</sub>, respectively. The arguments are given in proof of oxygen sorption determined by the volume random nucleation and growth of the oxygen-rich nuclei.</p></abstract><trans-abstract xml:lang="ru"><p>Методами термогравиметрического неизотермического анализа впервые исследована кинетика сорбции кислорода оксидами Y<sub>0.8</sub>Ca<sub>0.2</sub>BaCo<sub>4–<italic>x</italic></sub>Fe<italic><sub>x</sub></italic>O<sub>7+δ</sub>, (<italic>x</italic> = 0, 1) на воздухе. Значения энергии активации получены с использованием безмодельных методов Фридмана, Старинка и Вязовкина. Для определения кинетической функции, описывающей механизм процесса, использован обобщенный графический анализ и метод Коутса–Редферна. В оксидах Y<sub>0.8</sub>Ca<sub>0.2</sub>BaCo<sub>4</sub>O<sub>7+δ</sub> и Y<sub>0.8</sub>Ca<sub>0.2</sub>BaCo<sub>3</sub>FeO<sub>7+δ</sub>, значения энергии активации и частотного фактора составляют 189 и 197 кДж моль<sup>–1</sup> и 4.7 <italic>×</italic> 10<sup>13</sup> и 2.3 <italic>×</italic> 10<sup>14</sup> мин<sup>–1</sup> соответственно. Показано, что процесс кислородной сорбции лимитируется случайным образованием и ростом зародышей окисленной фазы в структурных слоях типа кагоме.</p></trans-abstract><kwd-group xml:lang="en"><kwd>cobaltites</kwd><kwd>oxygen exchange</kwd><kwd>kinetic analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>кобальтиты</kwd><kwd>кислородный обмен</kwd><kwd>кинетический анализ</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>22-19-00129</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Vieten J., Bulfin B., Call F., Lange M., Schmücker M., Francke A., Roeb M., Sattler C. // J. Mater. Chem. A. 2016. V. 4. P. 13652–13659. https://doi.org/10.1039/C6TA04867F</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Tescari S., Agrafiotis C., Breuer S., de Oliveira L., Neisesvon Puttkamer M., Roeb M., Sattler C. // Energy Procedia. 2014. V. 49. P. 1034–1043. https://doi.org/10.1016/j.egypro.2014.03.111</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Kodama T., Gokon N. // Chem. Rev. 2007. V. 107. P. 4048–4077. https://doi.org/10.1021/cr050188a</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Karppinen M., Yamauchi H., Otani S., Fujita T., Motohashi T., Huang Y.-H., Valkeappa M., Fjellvag H. // Chem. Mater. 2006. V. 18. P. 490–494. https://doi.org/10.1021/cm0523081</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Hao H., Cui J., Chen C., Pan L., Hu J., Hu X. // Solid State Ion. 2006. V. 177. P. 631–637. https://doi.org/10.1016/j.ssi.2006.01.030</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Chen T., Hasegawa T., Asakura Y., Kakihana M, Motohashi T., Yin S. // ACS Appl. Mater. Interfaces. 2021. V. 13. P. 51008–51017. https://doi.org/10.1021/acsami.1c15419</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Nagai Y., Yamamoto T., Tanaka T., Youhida S., Nonaka T., Okamoto T., Suda A., Suqiura M. // Catal. Today. 2002. V. 74. P. 225–234. https://doi.org/10.1016/S0920-5861(02)00025-1</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Kaspar J., Fornasiero P. // J. Solid State Chem. 2003. V. 171. P. 19–29. https://doi.org/10.1016/S0022-4596(02)00141-X</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Rasanen S., Yamauchi H., Karppinen M. // Chem. Lett. 2008. V. 37. P. 638–639. https://doi.org/10.1246/cl.2008.638</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Parkkima O., Yamauchi H., Karppinen M. // Chem. Mater. 2013. V. 25. P. 599–604. https://doi.org/10.1021/cm3038729</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Parkkima O., Karppinen M. // Eur. J. Inorg. Chem. 2014. V. 2014. № 25. P. 4056–4067. https://doi.org/10.1002/ejic.201402135</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Motohashi T., Kadota S., Fjellvag H., Karppinen M., Yamauchi H. // Mater. Sci. Eng. B. 2008. V. 148. P. 196–198. https://doi.org/10.1016/j.mseb.2007.09.052</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Turkin D.I., Yurchenko M.V., Tolstov K.S., Shalamova A.M., Suntsov A.Yu., Kozhevnikov V.L. // J. Solid State Chem. 2023. V. 326. P. 124194. https://doi.org/10.1016/j.jssc.2023.124194</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Turkin D.I., Tolstov K.S., Yurchenko M.V., Suntsov A.Yu., Kozhevnikov V.L. // Inorg. Mater. 2023. V. 59. P. 1104–1110. https://doi.org/10.1134/S0020168523100126</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Rodríguez-Carvajal J. // Physica B. 1993. V. 192. P. 55–59. https://doi.org/10.1016/0921-4526(93)90108-I</mixed-citation></ref><ref id="B16"><label>16.</label><mixed-citation>Vyazovkin S., Burnham A.K., Criado J.M., Pérez-Maqueda L.A., Popescu C., Sbirrazzuoli N. // Thermochim. Acta. 2011. V. 520. P. 1–19. https://doi.org/10.1016/j.tca.2011.03.034</mixed-citation></ref><ref id="B17"><label>17.</label><mixed-citation>Alekseev A.V., Kameneva M.Y., Kozeeva L.P., Lavrov A.N., Podberezskaya N.V., Smolentsev A.I., Shmakov A.N. // Bull. Russ. Acad. Sci.: Phys. 2013. Т. 77. № 2. С. 151–154. https://doi.org/10.3103/S1062873813020044</mixed-citation></ref><ref id="B18"><label>18.</label><mixed-citation>Cuartero V., Blasco J., Subías G., García J., Rodríguez-Velamazán J.A., Ritter C. // Inorg. Chem. 2018. V. 57. P. 3360–3370. https://doi.org/10.1021/acs.inorgchem.8b00112</mixed-citation></ref><ref id="B19"><label>19.</label><mixed-citation>Brown M.E., Dollimore D., Galwey A.K. Reactions in the Solid State. Amsterdam: Elsevier, 1980. 339 c.</mixed-citation></ref><ref id="B20"><label>20.</label><mixed-citation>Senum G., Yang R. // J. Thermal Anal. 1977. V. 11. P. 445–447. https://doi.org/10.1007/BF01903696</mixed-citation></ref><ref id="B21"><label>21.</label><mixed-citation>Pérez-Maqueda L.A., Criado J.M. // J. Therm. Anal. Calorim. 2020. V. 60. P. 909–915. https://doi.org/10.1023/A:1010115926340</mixed-citation></ref><ref id="B22"><label>22.</label><mixed-citation>Friedman H.L. // J. Polym. Sci., Part C: Polym. Lett. 1964. V. 6. P.183–195. https://doi.org/10.1002/polc.5070060121</mixed-citation></ref><ref id="B23"><label>23.</label><mixed-citation>Starink M.J. // Thermochim. Acta. 2003. V. 404. P. 163–176. https://doi.org/10.1016/S0040-6031(03)00144-8</mixed-citation></ref><ref id="B24"><label>24.</label><mixed-citation>Vyazovkin S., Dollimore D. // J. Chem. Inf. Comp. Sci. 1996. V. 36. P. 42–45. https://doi.org/10.1021/ci950062m</mixed-citation></ref><ref id="B25"><label>25.</label><mixed-citation>Hou L., Yu Q., Wang T., Wang K., Qin Q., Qi Z. // Korean J. Chem. Eng. 2018. V. 35. P. 626–636. https://doi.org/10.1007/s11814-017-0332-6</mixed-citation></ref><ref id="B26"><label>26.</label><mixed-citation>Vyazovkin S. // Molecules. 2021. V. 26. P. 3077. https://doi.org/10.3390/molecules26113077</mixed-citation></ref><ref id="B27"><label>27.</label><mixed-citation>Coats A.W., Redfern J.P. // Nature. 1964. V. 201. P. 68–69. https://doi.org/10.1038/201068a0</mixed-citation></ref><ref id="B28"><label>28.</label><mixed-citation>Gotor F.J., Criado J.M., Malek J., Koga N. // J. Phys. Chem. A. 2000. V. 104. P. 10777–10782. https://doi.org/10.1021/jp0022205</mixed-citation></ref><ref id="B29"><label>29.</label><mixed-citation>De Bruijn T.J.W., De Jong W.A., Van Den Berg P.J. // Thermochim. Acta. 1981. V. 45. P. 315–325. https://doi.org/10.1016/0040-6031(81)85091-5</mixed-citation></ref></ref-list></back></article>
