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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">10.17586/2220-8054-2024-15-6-774-780</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-162</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>Synthesis of gadolinium titanate based nanocrystalline multicomponent rare earth oxides</article-title><trans-title-group xml:lang="ru"><trans-title>Cинтез нанокристаллических многокомпонентных  оксидов редких земель на основе титаната гадолиния</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>Гуськов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Guskov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Anton V. Guskov</p><p>119991, Leninsky pr. 31, Moscow</p></bio><email xlink:type="simple">a.gus@igic.ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6450-3959</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гагарин</surname><given-names>П. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gagarin</surname><given-names>P. G.</given-names></name></name-alternatives><bio xml:lang="en"><p>Pavel G. Gagarin</p><p>119991, Leninsky pr. 31, Moscow</p></bio><email xlink:type="simple">gagarin@igic.ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0425-8618</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гуськов</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Guskov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="en"><p>Vladimir N. Guskov</p><p>119991, Leninsky pr. 31, Moscow</p></bio><email xlink:type="simple">guskov@igic.ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5304-3555</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гавричев</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gavrichev</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="en"><p>Konstsntin S. Gavrichev </p><p>119991, Leninsky pr. 31, Moscow</p></bio><email xlink:type="simple">gavrich@igic.ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Kurnakov Institute General and Inorganic Chemistry Russian Academy of Sciences</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>06</month><year>2025</year></pub-date><volume>15</volume><issue>6</issue><fpage>774</fpage><lpage>780</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Guskov A.V., Gagarin P.G., Guskov V.N., Gavrichev K.S., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Гуськов А.В., Гагарин П.Г., Гуськов В.Н., Гавричев К.С.</copyright-holder><copyright-holder xml:lang="en">Guskov A.V., Gagarin P.G., Guskov V.N., Gavrichev K.S.</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/162">https://nanojournal.ifmo.ru/jour/article/view/162</self-uri><abstract><p>Optimal conditions for the synthesis of single-phase crystalline and nanocrystalline multicomponent oxides based on pyrochlore structure gadolinium titanate have been determined. The parameters of cubic lattices were determined and the morphology of the surface of RE titanates was studied.</p></abstract><trans-abstract xml:lang="ru"><p>Определены условия синтеза однофазных кристаллических и нанокристаллических многокомпонентных оксидов на основе титаната гадолиния структурного типа пирохлора. Определены параметры кубических решеток и выполнены исследования морфологии поверхностнй титанатов.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мульти-титанаты РЗЭ</kwd><kwd>синтез</kwd><kwd>нанокристаллическое состояние</kwd></kwd-group><kwd-group xml:lang="en"><kwd>retitanates</kwd><kwd>synthesis</kwd><kwd>nanocrystalline pyrochlore</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This study was carried out in the frameworks of research project “Solving the actual problems using charged particle beams of the NICA complex” (State assignment No. 1024050300012-6-1.4.2)</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">Andrievskaya E.R. Phase equilibria in the refractory oxide systems of zirconia, hafnia and yttria with rare-earth oxides. J. Europ. Ceram. 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