<?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>S0035-001X2010000200004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Preparación de películas delgadas del sistema Ti-Al-O mediante rf-sputtering]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montes de Oca]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ceballos-Alvarez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galaviz-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manaud]]></surname>
<given-names><![CDATA[J.-P.]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lahaye]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Saldaña]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada Unidad Altamira]]></institution>
<addr-line><![CDATA[Altamira Tamaulipas]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada Unidad Querétaro]]></institution>
<addr-line><![CDATA[ Querétaro]]></addr-line>
<country>México</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Université Bordeaux I Centre National de la Recherche Scientifique Institut de Chimie de la matiére condensée de Bordeaux]]></institution>
<addr-line><![CDATA[Pessac-Cedex ]]></addr-line>
<country>Francia</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Centro de Investigación en Materiales Avanzados, S.C Laboratorio Nacional de Nanotecnología ]]></institution>
<addr-line><![CDATA[Chihuahua ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2010</year>
</pub-date>
<volume>56</volume>
<numero>2</numero>
<fpage>118</fpage>
<lpage>124</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2010000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2010000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2010000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[En el presente trabajo se sintetizaron películas delgadas del sistema Ti-Al-O mediante la técnica rf-sputtering sobre sustratos de vidrio y silicio (Si), usando blancos de compuestos intermetálicos de TiAl y Ti3Al en una cámara con atmósfera de Ar-O2. Las películas de Ti-Al-O fueron obtenidas variando parámetros experimentales, tales como el porcentaje de oxígeno alimentado a la cámara de reacción, la densidad de potencia del plasma y la temperatura del sustrato. Las películas depositadas sobre sustratos de vidrio fueron utilizadas para evaluar las propiedades ópticas, mientras que las películas crecidas sobre sustratos de Si fueron empleadas para determinar las propiedades mecánicas y morfológicas. La estructura cristalina, morfología, composición química y propiedades ópticas de las películas fueron evaluadas mediante difracción de rayos X (DRX), microscopía electrónica de barrido de alta resolución (MEB-AR), espectroscopia de electrones Auger (EEA) y espectroscopia UV visible (UV-VIS). El espesor de las películas fue evaluado usando un perfilómetro mecánico. La rugosidad y las propiedades mecánicas, tales como dureza y módulo de elasticidad reducido, fueron analizadas mediante microscopía de fuerza atómica (MFA) y nanoindentación, respectivamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[In the present work Ti-Al-O thin films were synthesized by rf-sputtering technique on glass and silicon (Si) substrates using TiAl and Ti3Al targets in a sputtering chamber with an Ar-O2 atmosphere. Ti-Al-O thin films were obtained varying experimental parameters such as oxygen percent fed to the reaction chamber, plasma power density and substrate temperature. The films deposited on glass substrates were used to evaluate their optical properties, while those deposited on Si substrates were used to evaluate mechanical and morphological properties. The crystalline structure, morphology, chemical composition and optical properties of the films were evaluated by X-ray diffraction (XRD), high-resolution scanning electron microscopy (HR-SEM), Auger Electron Spectroscopy (AES) and Visible UV Spectroscopy (UV-VIS). Films thicknesses were measured using a profiler. The roughness and mechanical properties such as hardness and Young's modulus were analyzed by atomic force microscopy (AFM) and nanoindentation technique, respectively.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Películas delgadas]]></kwd>
<kwd lng="es"><![CDATA[rf-sputtering]]></kwd>
<kwd lng="es"><![CDATA[sistema Ti-Al-O]]></kwd>
<kwd lng="en"><![CDATA[Thin films]]></kwd>
<kwd lng="en"><![CDATA[rf-sputtering]]></kwd>
<kwd lng="en"><![CDATA[Ti-Al-O system]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Investigaci&oacute;n</font></p>     <p align="justify"><font face="verdana" size="4">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Preparaci&oacute;n de pel&iacute;culas delgadas del sistema Ti&#150;Al&#150;O mediante rf&#150;sputtering</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>J.A. Montes de Oca<sup>a,b</sup>, J. Ceballos&#150;Alvarez&ordf;, J. Galaviz&#150;P&eacute;rez&ordf;, J.&#150;P. Manaud<sup>c</sup>, M. Lahaye<sup>c</sup>, and J. Mu&ntilde;oz&#150;Salda&ntilde;a<sup>d,e</sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>&ordf; Centro de Investigaci&oacute;n en Ciencia Aplicada y Tecnolog&iacute;a Avanzada del Instituto Polit&eacute;cnico Nacional, Unidad Altamira, Km 14.5 Carr. Tampico&#150;Puerto industrial Altamira, 89600, Altamira, Tamaulipas, M&eacute;xico. E&#150;mail:</i> <a href="mailto:jmontedeocav@ipn.mx">jmontedeocav@ipn.mx</a></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>b </sup>Centro de Investigaci&oacute;n en Ciencia Aplicada y Tecnolog&iacute;a Avanzada del Instituto Polit&eacute;cnico Nacional, Unidad Quer&eacute;taro, Cerro Blanco 141, Col. Colinas del Cimatario, 76148, Quer&eacute;taro, M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>c </sup>Institut de Chimie de la mati&eacute;re condens&eacute;e de Bordeaux&#150;Centre National de la Recherche Scientifique, Universit&eacute; Bordeaux I, 87, Av du Dr. Schweitzer, F&#150;33608 Pessac&#150;Cedex Francia. E&#150;mail: </i><a href="mailto:manaud@icmcb-bordeaux.cnrs.fr">manaud@icmcb&#150;bordeaux.cnrs.fr</a></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>d </sup>Centro de Investigaci&oacute;n y de Estudios Avanzados del Instituto Polit&eacute;cnico Nacional Unidad Quer&eacute;taro, Libramiento Norponiente #2000, fracc. Real de Junquilla, 76230 Santiago de Quer&eacute;taro, Qro., M&eacute;xico,</i></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><i><sup>e </sup>Centro de Investigaci&oacute;n en Materiales Avanzados, S.C, Laboratorio Nacional de Nanotecnolog&iacute;a. Miguel de Cervantes 120, Complejo Industrial Chihuahua, Chihuahua, 31109 M&eacute;xico. E&#150;mail: </i><a href="mailto:jmunoz@qro.cinvestav.mx">jmunoz@qro.cinvestav.mx</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 10 de marzo de 2009    <br> Aceptado el 3 de marzo de 2010</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     <p align="justify"><font face="verdana" size="2">En el presente trabajo se sintetizaron pel&iacute;culas delgadas del sistema Ti&#150;Al&#150;O mediante la t&eacute;cnica <i>rf&#150;sputtering </i>sobre sustratos de vidrio y silicio (Si), usando blancos de compuestos intermet&aacute;licos de TiAl y Ti<sub>3</sub>Al en una c&aacute;mara con atm&oacute;sfera de Ar&#150;O<sub>2</sub>. Las pel&iacute;culas de Ti&#150;Al&#150;O fueron obtenidas variando par&aacute;metros experimentales, tales como el porcentaje de ox&iacute;geno alimentado a la c&aacute;mara de reacci&oacute;n, la densidad de potencia del plasma y la temperatura del sustrato. Las pel&iacute;culas depositadas sobre sustratos de vidrio fueron utilizadas para evaluar las propiedades &oacute;pticas, mientras que las pel&iacute;culas crecidas sobre sustratos de Si fueron empleadas para determinar las propiedades mec&aacute;nicas y morfol&oacute;gicas. La estructura cristalina, morfolog&iacute;a, composici&oacute;n qu&iacute;mica y propiedades &oacute;pticas de las pel&iacute;culas fueron evaluadas mediante difracci&oacute;n de rayos X (DRX), microscop&iacute;a electr&oacute;nica de barrido de alta resoluci&oacute;n (MEB&#150;AR), espectroscopia de electrones Auger (EEA) y espectroscopia UV visible (UV&#150;VIS). El espesor de las pel&iacute;culas fue evaluado usando un perfil&oacute;metro mec&aacute;nico. La rugosidad y las propiedades mec&aacute;nicas, tales como dureza y m&oacute;dulo de elasticidad reducido, fueron analizadas mediante microscop&iacute;a de fuerza at&oacute;mica (MFA) y nanoindentaci&oacute;n, respectivamente.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Pel&iacute;culas delgadas; <i>rf&#150;sputtering, </i>sistema Ti&#150;Al&#150;O.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">In the present work Ti&#150;Al&#150;O thin films were synthesized by rf&#150;sputtering technique on glass and silicon (Si) substrates using TiAl and Ti<sub>3</sub>Al targets in a sputtering chamber with an Ar&#150;O<sub>2</sub> atmosphere. Ti&#150;Al&#150;O thin films were obtained varying experimental parameters such as oxygen percent fed to the reaction chamber, plasma power density and substrate temperature. The films deposited on glass substrates were used to evaluate their optical properties, while those deposited on Si substrates were used to evaluate mechanical and morphological properties. The crystalline structure, morphology, chemical composition and optical properties of the films were evaluated by X&#150;ray diffraction (XRD), high&#150;resolution scanning electron microscopy (HR&#150;SEM), Auger Electron Spectroscopy (AES) and Visible UV Spectroscopy (UV&#150;VIS). Films thicknesses were measured using a profiler. The roughness and mechanical properties such as hardness and Young's modulus were analyzed by atomic force microscopy (AFM) and nanoindentation technique, respectively.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Thin films; <i>rf&#150;sputtering, </i>Ti&#150;Al&#150;O system. </font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS: 81.15.Cd</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v56n2/v56n2a4.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Agradecimientos</b></font></p>     <p align="justify"><font face="verdana" size="2">Este trabajo fue apoyado por el Instituto Polit&eacute;cnico Nacional a trav&eacute;s de la COFAA y de la SIP con los proyectos 2007&#150;0618, 2008&#150;0801 y 2009&#150;0637. Uno de los autores desea reconocer al CONACYT y al programa PIFI del IPN por el estimulo econ&oacute;mico otorgado.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
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