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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">najo</journal-id><journal-title-group><journal-title xml:lang="en">Nanosystems: Physics, Chemistry, Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Наносистемы: физика, химия, математика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8054</issn><issn pub-type="epub">2305-7971</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2220-8054-2019-10-6-694-700</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-848</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="en"><subject>CHEMISTRY AND MATERIALS SCIENCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ И НАУКА О МАТЕРИАЛАХ</subject></subj-group></article-categories><title-group><article-title>Facile combustion synthesis of TbFeO3 nanocrystals with hexagonal and orthorhombic structure</article-title><trans-title-group xml:lang="ru"><trans-title>Facile combustion synthesis of TbFeO3 nanocrystals with hexagonal and orthorhombic structure</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>Martinson</surname><given-names>K. D.</given-names></name><name name-style="western" xml:lang="en"><surname>Martinson</surname><given-names>K. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Politeknicheskaya St., 26, St. Petersburg, 194021</p></bio><bio xml:lang="en"><p>Politeknicheskaya St., 26, St. Petersburg, 194021</p></bio><email xlink:type="simple">martinsonkirill@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>Ivanov</surname><given-names>V. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Moskovsky prospect 26, Saint Petersburg, 190013</p></bio><bio xml:lang="en"><p>Moskovsky prospect 26, Saint Petersburg, 190013</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>Chebanenko</surname><given-names>М. I.</given-names></name><name name-style="western" xml:lang="en"><surname>Chebanenko</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Politeknicheskaya St., 26, St. Petersburg, 194021</p></bio><bio xml:lang="en"><p>Politeknicheskaya St., 26, St. Petersburg, 194021</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>Panchuk</surname><given-names>V. V.</given-names></name><name name-style="western" xml:lang="en"><surname>Panchuk</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Peterhof, 198504 Saint Petersburg</p></bio><bio xml:lang="en"><p>Peterhof, 198504 Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Semenov</surname><given-names>V. G.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenov</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Peterhof, 198504 Saint Petersburg</p></bio><bio xml:lang="en"><p>Peterhof, 198504 Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Popkov</surname><given-names>V. I.</given-names></name><name name-style="western" xml:lang="en"><surname>Popkov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Politeknicheskaya St., 26, St. Petersburg, 194021</p></bio><bio xml:lang="en"><p>Politeknicheskaya St., 26, St. Petersburg, 194021</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ioffe Institute</institution></aff><aff xml:lang="en"><institution>Ioffe Institute</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Saint Petersburg State Institute of Technology</institution></aff><aff xml:lang="en"><institution>Saint Petersburg State Institute of Technology</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Saint Petersburg State University</institution></aff><aff xml:lang="en"><institution>Saint Petersburg State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>13</day><month>08</month><year>2025</year></pub-date><volume>10</volume><issue>6</issue><fpage>694</fpage><lpage>700</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Martinson K.D., Ivanov V.A., Chebanenko M.I., Panchuk V.V., Semenov V.G., Popkov V.I., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Martinson K.D., Ivanov V.А., Chebanenko М.I., Panchuk V.V., Semenov V.G., Popkov V.I.</copyright-holder><copyright-holder xml:lang="en">Martinson K.D., Ivanov V.A., Chebanenko M.I., Panchuk V.V., Semenov V.G., Popkov V.I.</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://nanojournal.ifmo.ru/jour/article/view/848">https://nanojournal.ifmo.ru/jour/article/view/848</self-uri><abstract><p>In this research, the formation process of nanocrystalline terbium orthoferrite (TbFeO3) obtained via a solution combustion technique was studied using powder X-ray diffractometry, scanning electron microscopy, 57Fe Mo¨ssbauer spectroscopy, N2 adsorption analysis, and FTIR spectroscopy. It was shown that glycine-nitrate combustion method permits one to obtain TbFeO3 of three different modifications: orthorhombic o-TbFeO3 (Pbnm), hexagonal h-TbFeO3 (P63/mmc) and amorphous am-TbFeO3. It was found that the average crystallite sizes of orthorhombic and hexagonal TbFeO3 were 29±3 and 15±2 nm, respectively. The formation mechanism of different structural forms of terbium orthoferrite was investigated on the basis of nanopowders morphology, specific surface areas, average pore sizes, and crystallite sizes.</p></abstract><trans-abstract xml:lang="ru"><p>In this research, the formation process of nanocrystalline terbium orthoferrite (TbFeO3) obtained via a solution combustion technique was studied using powder X-ray diffractometry, scanning electron microscopy, 57Fe Mo¨ssbauer spectroscopy, N2 adsorption analysis, and FTIR spectroscopy. It was shown that glycine-nitrate combustion method permits one to obtain TbFeO3 of three different modifications: orthorhombic o-TbFeO3 (Pbnm), hexagonal h-TbFeO3 (P63/mmc) and amorphous am-TbFeO3. It was found that the average crystallite sizes of orthorhombic and hexagonal TbFeO3 were 29±3 and 15±2 nm, respectively. The formation mechanism of different structural forms of terbium orthoferrite was investigated on the basis of nanopowders morphology, specific surface areas, average pore sizes, and crystallite sizes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>nanocrystals</kwd><kwd>rare earths</kwd><kwd>orthoferrites</kwd><kwd>terbium orthoferrite</kwd><kwd>TbFeO3</kwd><kwd>phase formation</kwd><kwd>polymorphism</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanocrystals</kwd><kwd>rare earths</kwd><kwd>orthoferrites</kwd><kwd>terbium orthoferrite</kwd><kwd>TbFeO3</kwd><kwd>phase formation</kwd><kwd>polymorphism</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This study was financially supported by the Russian Foundation for Basic Research (project no. 18-03-00414) and partially performed using the equipment of the Engineering Center of St. Petersburg State Institute of Technology (Technical University)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Berezhnaya M.V., Perov N.S., Almjasheva O.V., Mittova V.O., Nguyen A.T., Mittova I.Ya., Druzhinina L.V., Alekhina Yu.A. 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