<?xml version="1.0" encoding="ISO-8859-1"?><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">
<front>
<journal-meta>
<journal-id>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2021000300527</article-id>
<article-id pub-id-type="doi">10.31349/revmexfis.67.527</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A study on microstructure and magnetic properties of nanostructured CoxNi1-xMn0.5Fe1.5O4 (x = 0,0.25,0.5,0.75,1)spinel ferrites]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hussain]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tahir]]></surname>
<given-names><![CDATA[S. Akbar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ahmad]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hashim]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ziya]]></surname>
<given-names><![CDATA[A. Bashir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Noreen]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Khwaja Fareed University Department of Physics ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Pakistan</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Government College University Faisalabad  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Pakistan</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Bahauddin Zakariya University  ]]></institution>
<addr-line><![CDATA[Multan ]]></addr-line>
<country>Pakistan</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>67</volume>
<numero>3</numero>
<fpage>527</fpage>
<lpage>535</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2021000300527&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2021000300527&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2021000300527&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A low-temperature synthesis of novel nanostructured CoxNi1-xMn0.5Fe1.5O4 (x = 0,0.25,0.5,0.75,1) ferrites was carried out by sol-gel auto-combustion technique. The obtained nanostructured ferrites were investigated by employing the techniques of powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDX), and vibrating sample magnetometry (VSM). The XRD diffractograms of the prepared ferrites revealed the formation of a spinel phase with face-centered cubic (fcc) structure belonging to the Fd-   3 ¯ m space group. The average lattice parameter &#8216;a&#8217; of ferrites exhibited a rise versus a rise in CO2+ concentration following Vegard&#8217;s law. The SEM investigation of NiMn0.5Fe1.5O4 powder revealed the existence of octahedral-shaped morphology of ferrite grains. The TEM investigation of NiMn0.5Fe1.5O4 powder showed nanostructures of ferrite particles with sizes consistent with the crystallite sizes as estimated by Debye-Scherer&#8217;s formula. An EDX spectrum of NiMn0.5Fe1.5O4 powder confirmed its elemental composition. The M-H hysteresis loops recorded by VSM at room temperature revealed a dependence of coercivity (Hc), maximum magnetization (Mmax), and retentivity (Mr) on CO2+ concentration. The shape dependence of M-H loops on CO2+ concentration in compounds enabled their candidature for applications in memory devices and magnetic sensors.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Sol-gel technique]]></kwd>
<kwd lng="en"><![CDATA[spinel structure]]></kwd>
<kwd lng="en"><![CDATA[X-ray diffraction]]></kwd>
<kwd lng="en"><![CDATA[scanning electron microscopy]]></kwd>
<kwd lng="en"><![CDATA[coercivity]]></kwd>
<kwd lng="en"><![CDATA[remanence]]></kwd>
</kwd-group>
</article-meta>
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<given-names><![CDATA[H. Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Structural and Magnetic Property of Co1-xNixFe2O4 Nanoparticles Synthesized by Hydrothermal Method]]></article-title>
<source><![CDATA[International Journal of Applied Ceramic Technology]]></source>
<year>2014</year>
<volume>11</volume>
<page-range>626</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
