<?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>S0035-001X2017000400372</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Y2O3:Dy3+/Li+ phosphors synthesized by spray]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Balderas-Xicohténcatl]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carmona-Tellez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Falcony]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Cinvestav ]]></institution>
<addr-line><![CDATA[México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>63</volume>
<numero>4</numero>
<fpage>372</fpage>
<lpage>377</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2017000400372&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2017000400372&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2017000400372&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Dysprosium and Lithium-activated yttrium oxide phosphor was synthesized at 1100 °C by ultrasonic spray pyrolysis (USP) using DI water as solvent and metal chlorides as precursors. The characteristic emission peaks of Dy3+ due to the transitions 4F9/2 to 6H15/2 at 483 nm, 4F9/2 to 6H13/2 at 573 nm, 4F9/2 to 6H11/2; at 667 nm and 4F9/2 to 6H9/2 at 766 nm were observed. Scanning electron microscopy (SEM) and Transmission electron microscopy (TEM) measurements were carried out to understand surface morphological features and the particle size of the phosphor. The uniformity of phase of Dy3+ _Li+ doped Y2O3 phosphors was checked by X-ray diffraction (XRD) technique. The phosphors form clusters that were found to be &#8764;1 &#956;m in size, however, particles that form these clusters have sizes between 40 and 120 nm.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Nanophosphors]]></kwd>
<kwd lng="en"><![CDATA[spray pyrolysis]]></kwd>
<kwd lng="en"><![CDATA[lithium effect]]></kwd>
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