<?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>S0035-001X2017000100071</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Raman spectroscopy of carbon nano-particles synthesized by laser ablation of graphite in water]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardenas]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
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<surname><![CDATA[Cadenbach]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
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</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Z.-B.]]></given-names>
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<xref ref-type="aff" rid="Aff"/>
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<contrib contrib-type="author">
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<surname><![CDATA[Costa-Vera]]></surname>
<given-names><![CDATA[C.]]></given-names>
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<surname><![CDATA[Debut]]></surname>
<given-names><![CDATA[A.]]></given-names>
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<surname><![CDATA[Vaca]]></surname>
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</name>
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</contrib>
<contrib contrib-type="author">
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<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[S.-L.]]></given-names>
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</contrib>
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<surname><![CDATA[Paz]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Escuela Politecnica Nacional  ]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Ångströmlaboratoriet Institutionen för teknikvetenskaper, Fasta tillståndets elektronik ]]></institution>
<addr-line><![CDATA[Uppsala ]]></addr-line>
<country>Sweden</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Grupo Ecuatoriano para el Estudio Experimental y Teórico de Nanosistemas  ]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de las Fuerzas Armadas ESPE Centro de Nanociencia y Nanotecnología ]]></institution>
<addr-line><![CDATA[Sangolquí ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>63</volume>
<numero>1</numero>
<fpage>71</fpage>
<lpage>75</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2017000100071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2017000100071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2017000100071&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Carbon nanoparticles (CNPs) have been synthesized by laser ablation of polycrystalline graphite in water using a pulsed Nd:YAG laser (1064 nm) with a width of 8 ns. Structural and mesoscopic characterization of the CNPs in the supernatant by Raman spectroscopy provide evidence for the presence of mainly two ranges of particle sizes: 1-5 nm and 10-50 nm corresponding to amorphous carbon and graphite NPs, respectively. These results are corroborated by complementary characterization using atomic force microscopy (AFM) and transmission electron microscopy (TEM). In addition, large (10-100  &#956;m) graphite particles removed from the surface are essentially unmodified (in structure and topology) by the laser as confirmed by Raman analysis.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Raman spectroscopy]]></kwd>
<kwd lng="en"><![CDATA[carbon nanoparticle]]></kwd>
<kwd lng="en"><![CDATA[laser ablation]]></kwd>
<kwd lng="en"><![CDATA[high resolution electron microscopy]]></kwd>
<kwd lng="en"><![CDATA[atomic force microscopy]]></kwd>
</kwd-group>
</article-meta>
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