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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">10.17586/2220-8054-2020-11-4-468-473</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-416</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 and magnetic properties of PrFeO3 nanopowders by the co-precipitation method using ethanol</article-title><trans-title-group xml:lang="ru"><trans-title></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>A. T.</given-names></name></name-alternatives><bio xml:lang="en"><p>Ho Chi Minh City, 700000</p></bio><email xlink:type="simple">tienna@hcmue.edu.vn</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>V. Y.</given-names></name></name-alternatives><bio xml:lang="en"><p>Ha Noi, 100000</p><p>Da Nang, 550000</p></bio><email xlink:type="simple">nguyenvanyen@duytan.edu.vn</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Mittova</surname><given-names>I. Ya.</given-names></name></name-alternatives><bio xml:lang="en"><p>Universitetskaya pl.1, Voronezh, 394018</p></bio><email xlink:type="simple">imittova@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Mittova</surname><given-names>V. O.</given-names></name></name-alternatives><bio xml:lang="en"><p>Voronezh, 394036</p></bio><email xlink:type="simple">vmittova@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Viryutina</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="en"><p>Universitetskaya pl.1, Voronezh, 394018</p></bio><email xlink:type="simple">viryutina.helena@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Hoang</surname><given-names>C.Ch.T.</given-names></name></name-alternatives><bio xml:lang="en"><p>Ho Chi Minh City, 700000</p></bio><email xlink:type="simple">htcamchuong92@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>Tr.L.T.</given-names></name></name-alternatives><bio xml:lang="en"><p>Ho Chi Minh City, 700000</p></bio><email xlink:type="simple">linhntt@hcmue.edu.vn</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Bui</surname><given-names>X. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Ho Chi Minh City, 700000</p></bio><email xlink:type="simple">buixuanvuongsgu@gmail.com</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Do</surname><given-names>T. H.</given-names></name></name-alternatives><email xlink:type="simple">huongdt.chem@tnue.edu.vn</email><xref ref-type="aff" rid="aff-6"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Ho Chi Minh City University of Education</institution><country>Viet Nam</country></aff><aff xml:lang="en" id="aff-2"><institution>Institute of Theoretical and Applied Research, Duy Tan University; Faculty of Natural Sciences, Duy Tan University</institution><country>Viet Nam</country></aff><aff xml:lang="en" id="aff-3"><institution>Voronezh State University</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-4"><institution>Burdenko Voronezh State Medical University</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-5"><institution>Faculty of Pedagogy in Natural Sciences, Sai Gon University</institution><country>Viet Nam</country></aff><aff xml:lang="en" id="aff-6"><institution>Thai Nguyen University of Education, Thai Nguyen University</institution><country>Viet Nam</country></aff><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>29</day><month>07</month><year>2025</year></pub-date><volume>11</volume><issue>4</issue><elocation-id>468–473</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Nguyen A.T., Nguyen V.Y., Mittova I.Y., Mittova V.O., Viryutina E.L., Hoang C., Nguyen T., Bui X.V., Do T.H., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Nguyen A.T., Nguyen V.Y., Mittova I.Y., Mittova V.O., Viryutina E.L., Hoang C., Nguyen T., Bui X.V., Do T.H.</copyright-holder><copyright-holder xml:lang="en">Nguyen A.T., Nguyen V.Y., Mittova I.Y., Mittova V.O., Viryutina E.L., Hoang C., Nguyen T., Bui X.V., Do T.H.</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/416">https://nanojournal.ifmo.ru/jour/article/view/416</self-uri><abstract><p>Praseodymium orthoferrite nanoparticles were synthesized by a simple co-precipitation method via the hydrolysis of Pr (III) and Fe (III) cations in boiling ethanol with 5% aqueous ammonia. The single-phase PrFeO3 product formed after annealing the precipitates at 650, 750, and 850◦C for 1 h had an average crystal size of 20–30 nm (XRD, SEM, TEM). The synthesized nanopowders were soft ferromagnetic materials with low coercive force and excessive magnetization values.</p></abstract><kwd-group xml:lang="en"><kwd>o-PrFeO3</kwd><kwd>nanoparticles</kwd><kwd>magnetic properties</kwd><kwd>co-precipitation</kwd><kwd>ethanol</kwd></kwd-group><funding-group><funding-statement xml:lang="en">Nguyen Anh Tien thanks the financial support of Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam through Grant No. CS.2019.19.19.</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">Popkov V.I., Almjasheva O.V., Nevedomskii V.N., Panchuk V.V., Semenov V.G., Gusarov V.V. 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