<?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>S0035-001X2023000200007</article-id>
<article-id pub-id-type="doi">10.31349/revmexfis.69.021001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cerámicos sol-gel de Sm2O3:Eu3+ obtenidos por el método sol-gel de citrato]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Murillo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Francisco Martínez]]></surname>
<given-names><![CDATA[L. E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo Romo]]></surname>
<given-names><![CDATA[F. de J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Investigación e Innovación Tecnológica ]]></institution>
<addr-line><![CDATA[CdMx ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>69</volume>
<numero>2</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2023000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2023000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2023000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Polvos cerámicos de Sm2O3 dopados y mezclados con europio se obtuvieron a partir de la formación de cloruros de europio y samario a través de la ruta sol-gel de citrato. Este trabajo reporta la influencia de los iones de europio en las propiedades estructurales y luminiscentes de las cerámicas Sm2O3:Eu3+ (coordenadas CIE) variando el Eu3+ de 10 a 50% mol. Las características químicas, estructurales y morfológicas fueron establecidas por FTIR y XRD, revelando la presencia de bandas vibratorias características Sm-O de estructura cúbica hasta 40 mol% Eu3+ y una mezcla de fases de Sm2O3 y Eu2O3 a partir de 50 mol% Eu3+. Se establecieron los valores de las coordenadas CIE y la emisión de color para cerámicas Sm2O3:Eu3+ (10, 20, 30, 40 y 50% mol), tanto para muestras con una sola fase como para la mezcla de fases.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Europium doped and mixed with Sm2O3 ceramics were obtained from europium and samarium chlorides formation via citrate sol-gel route. This work reports the influence of the europium ions on the structural and luminescent properties of Sm2O3:Eu3+ ceramics (CIE coordinates) by varying the Eu3+ from 10 to 50 mol%. Chemical, structural, and morphological characteristics were established by FTIR and XRD, revealing the presence of characteristics Sm-O vibrational bands of a cubic structure up to 40 mol% Eu3+ and a phase mixture of Sm2O3 and Eu2O3 from 50 mol% Eu3+. The CIE coordinates values and color emission were established for Sm2O3:Eu3+ (10, 20, 30, 40 y 50 mol%) ceramics, for both, samples with a single phase and the one with mixed phases]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sm2O3]]></kwd>
<kwd lng="es"><![CDATA[Eu2O3]]></kwd>
<kwd lng="es"><![CDATA[sol-gel]]></kwd>
<kwd lng="es"><![CDATA[cerámicos]]></kwd>
<kwd lng="es"><![CDATA[luminiscencia]]></kwd>
<kwd lng="en"><![CDATA[Sm2O3]]></kwd>
<kwd lng="en"><![CDATA[Eu2O3]]></kwd>
<kwd lng="en"><![CDATA[sol-gel]]></kwd>
<kwd lng="en"><![CDATA[ceramics]]></kwd>
<kwd lng="en"><![CDATA[luminescence]]></kwd>
</kwd-group>
</article-meta>
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