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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">10.17586/2220-8054-2016-7-4-647-649</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-1301</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="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>Investigations on tri manganese tetra oxide nano particles prepared by thermal decomposition</article-title><trans-title-group xml:lang="ru"><trans-title>Investigations on tri manganese tetra oxide nano particles prepared by thermal decomposition</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>Sagi Rani</surname><given-names>C.</given-names></name><name name-style="western" xml:lang="en"><surname>Sagi Rani</surname><given-names>C.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Department of Physics, Noorul Islam Centre for Higher Education,</p><p>Kumaracoil, Tamil Nadu</p></bio><bio xml:lang="en"><p>Department of Physics, Noorul Islam Centre for Higher Education,</p><p>Kumaracoil, Tamil Nadu</p></bio><email xlink:type="simple">sagirani.c@gmail.com</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>Athira</surname><given-names>P.</given-names></name><name name-style="western" xml:lang="en"><surname>Athira</surname><given-names>P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Department of Physics, Noorul Islam Centre for Higher Education,</p><p>Kumaracoil, Tamil Nadu</p></bio><bio xml:lang="en"><p>Department of Physics, Noorul Islam Centre for Higher Education,</p><p>Kumaracoil, Tamil Nadu</p></bio><email xlink:type="simple">athira01011993@gmail.com</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>Joseph John</surname><given-names>N.</given-names></name><name name-style="western" xml:lang="en"><surname>Joseph John</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Department of Physics</p><p>The Nilgris, Tamil Nadu</p></bio><bio xml:lang="en"><p>Department of Physics</p><p>The Nilgris, Tamil Nadu</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Noorul Islam University</institution></aff><aff xml:lang="en"><institution>Noorul Islam University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Govt. Arts College</institution></aff><aff xml:lang="en"><institution>Govt. Arts College</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>22</day><month>08</month><year>2025</year></pub-date><volume>7</volume><issue>4</issue><fpage>647</fpage><lpage>649</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Sagi Rani C., Athira P., Joseph John N., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Sagi Rani C., Athira P., Joseph John N.</copyright-holder><copyright-holder xml:lang="en">Sagi Rani C., Athira P., Joseph John N.</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/1301">https://nanojournal.ifmo.ru/jour/article/view/1301</self-uri><abstract><p>Oxides of manganese have large number of applications in the field of sensors, piezoelectric crystals etc. In the present work, Mn3O4 nano materials were synthesized by using manganese acetate, adopting the method of thermal decomposition. The Nano materials thus prepared were characterized by employing various techniques like PXRD, FTIR, UV and Thermal analyses. The average particle size, calculated using Debye-Scherrer formula, was found to be in the range of 51 – 62 nm. The presence of Mn3O4 is also confirmed from FTIR. Thermal studies were also carried out. The optical band gap for the prepared nano materials was obtained from the UV-spectroscopic studies.</p></abstract><trans-abstract xml:lang="ru"><p>Oxides of manganese have large number of applications in the field of sensors, piezoelectric crystals etc. In the present work, Mn3O4 nano materials were synthesized by using manganese acetate, adopting the method of thermal decomposition. The Nano materials thus prepared were characterized by employing various techniques like PXRD, FTIR, UV and Thermal analyses. The average particle size, calculated using Debye-Scherrer formula, was found to be in the range of 51 – 62 nm. The presence of Mn3O4 is also confirmed from FTIR. Thermal studies were also carried out. The optical band gap for the prepared nano materials was obtained from the UV-spectroscopic studies.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>nano particles</kwd><kwd>thermal decomposition</kwd><kwd>PXRD</kwd><kwd>FTIR</kwd><kwd>UV</kwd><kwd>thermal studies</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nano particles</kwd><kwd>thermal decomposition</kwd><kwd>PXRD</kwd><kwd>FTIR</kwd><kwd>UV</kwd><kwd>thermal studies</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Shanmugam S. Nanotechnology, MJP publishers. 2011.</mixed-citation><mixed-citation xml:lang="en">Shanmugam S. Nanotechnology, MJP publishers. 2011.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Usha K., Mahadevan C.K. 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