<?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>S0035-001X2007000400013</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Vacuum oven to control the annealing process in alloyed nanolayers]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corona]]></surname>
<given-names><![CDATA[J.E]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado]]></surname>
<given-names><![CDATA[R.D]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliva]]></surname>
<given-names><![CDATA[A.I]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,CIMAV  ]]></institution>
<addr-line><![CDATA[Chihuahua ]]></addr-line>
<country>Mex</country>
</aff>
<aff id="A02">
<institution><![CDATA[,IPN Centro de Investigación y de Estudios Avanzados Departamento de Física Aplicada]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2007</year>
</pub-date>
<volume>53</volume>
<numero>4</numero>
<fpage>318</fpage>
<lpage>322</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2007000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2007000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2007000400013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[The design and construction of a vacuum quartz cylindrical oven to diffuse two or more metallic thin films for alloying is discussed. The oven has a gas-inert ambient (Ar) anda heater plate whose temperature is controlled by means of a home-made software development in Lab View 7.0. The heater area of 10 × 5 cm² raises the temperature to 600°C over time due to the water-cooled extremes implemented. The oven is heated and controlled with a DC power supply, and a K-type thermocouple is used for monitoring the temperature with a ± 0.1°C resolution. Experiments done with the oven to obtain nanostructured AuCu alloys are detailed.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[En este trabajo se discute la fabricación de un horno al vacío basado en un tubo cilíndrico de cuarzo para difundir dos o mas capas delgadas metálicas para formar una aleación. El horno trabaja en un ambiente inerte de argón (Ar) y una temperatura controlada a través de una plancha interior de cerámica y un sistema de control PID basado en un software desarrollado en Lab View 7.0. El área de calentamiento de 10 × 5 cm puede elevar la temperatura hasta 600°C debido a sus tapas circulares que cuentan con un sistema de enfriamiento de agua. El horno es calentado y controlado con una fuente de corriente directa y utiliza un termopar tipo K para monitorear la temperatura con una resolución de ± 0.1°C. Se detallan pruebas realizadas en el horno para obtener la aleaciones nanoestructuradas de AuCu.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Vacuum oven]]></kwd>
<kwd lng="en"><![CDATA[metallic alloys]]></kwd>
<kwd lng="en"><![CDATA[interdiffusion]]></kwd>
<kwd lng="en"><![CDATA[controlled temperature]]></kwd>
<kwd lng="es"><![CDATA[Horno al vacío]]></kwd>
<kwd lng="es"><![CDATA[aleaciones metálicas]]></kwd>
<kwd lng="es"><![CDATA[interdifusión]]></kwd>
<kwd lng="es"><![CDATA[control de temperatura]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4"><b>Instrumentaci&oacute;n</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Vacuum oven to control the annealing process in alloyed nanolayers</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>J.E. Corona, R.D. Maldonado*, and A.I. Oliva**</b></font> </p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>* Doctoral Student at CIMAV&#150;Chihuahua,Mex.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i>** Centro de Investigaci&oacute;n    y de Estudios Avanzados del IPN, Departamento de F&iacute;sica Aplicada, Km.    6 Antigua Carretera a Progreso, Apartado Postal 73 Cordemex, 97310 M&eacute;rida,    Yucat&aacute;n, M&eacute;xico, e&#150;mail: <a href="mailto:rubendominguezmaldonado@hotmail.com" target="_blank">rubendominguezmaldonado@hotmail.    com</a></i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 16 de febrero de 2007    ]]></body>
<body><![CDATA[<br>   Aceptado el 19 de junio de 2007</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>     <p align="justify"><font face="verdana" size="2">The design and construction of a vacuum quartz cylindrical oven to diffuse two or more metallic thin films for alloying is discussed. The oven has a gas&#150;inert ambient (Ar) anda heater plate whose temperature is controlled by means of a home&#150;made software development in Lab View 7.0. The heater area of 10 &times; 5 cm<sup>2</sup> raises the temperature to 600&deg;C over time due to the water&#150;cooled extremes implemented. The oven is heated and controlled with a DC power supply, and a K&#150;type thermocouple is used for monitoring the temperature with a &plusmn; 0.1&deg;C resolution. Experiments done with the oven to obtain nanostructured AuCu alloys are detailed.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Vacuum oven; metallic alloys; interdiffusion; controlled temperature.</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 este trabajo se discute la fabricaci&oacute;n de un horno al vac&iacute;o basado en un tubo cil&iacute;ndrico de cuarzo para difundir dos o mas capas delgadas met&aacute;licas para formar una aleaci&oacute;n. El horno trabaja en un ambiente inerte de arg&oacute;n (Ar) y una temperatura controlada a trav&eacute;s de una plancha interior de cer&aacute;mica y un sistema de control PID basado en un software desarrollado en Lab View 7.0. El &aacute;rea de calentamiento de 10 &times; 5 cm puede elevar la temperatura hasta 600&deg;C debido a sus tapas circulares que cuentan con un sistema de enfriamiento de agua. El horno es calentado y controlado con una fuente de corriente directa y utiliza un termopar tipo K para monitorear la temperatura con una resoluci&oacute;n de &plusmn; 0.1&deg;C. Se detallan pruebas realizadas en el horno para obtener la aleaciones nanoestructuradas de AuCu.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Horno al vac&iacute;o; aleaciones met&aacute;licas; interdifusi&oacute;n; control de temperatura.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">PACS: 07.20; 81.05.Bx; 81.07.&#150;b; 81.15.&#150;z; 81.15.Ef</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/v53n4/v53n4a13.pdf">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>Acknowledgments</b></font></p>     <p align="justify"><font face="verdana" size="2">Woks supported by CONACYT (Mexico) through project F1&#150;54173. Authors thank to Daniel Aguilar and O.Ceh for their technical support.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>References</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. W. Zhang, S. H. Brongersma, O. Richard, B. Brijs, R. Palmans, L. Froyen, K. Maex. <i>J. Vac. Sci. Technol. B., </i><b>22</b>, (2004) 2715.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333379&pid=S0035-001X200700040001300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2. W. Pfeiler and B. Sprusil, <i>Mater. Sci. Eng A, </i><b>324</b>, (2002) 34.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333380&pid=S0035-001X200700040001300002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">3. J. Oudar, <i>Physics and Chemistry of Surfaces, </i><b>Blackie </b>&amp; <b>Son, </b>1975, pp. 116&#150; 127.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333381&pid=S0035-001X200700040001300003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">4. D. A. Steigerwald and W. F. Egelhoff, Jr., <i>J. Vac. Sci. Technol. </i>A ,<b>3123</b> (1989) 7</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333382&pid=S0035-001X200700040001300004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">5. D. E. Nowak, B. Blank, A. Deyhim, and S. P. Baker, <i>AIP Conf. Proc. </i><b>705</b>, (2004) 1146.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333383&pid=S0035-001X200700040001300005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">6. Bahram Shaian, Michael Hassul, <i>"Control System Design using MathLab", </i>Ed. Prentice Hall, ISBN 0&#150;13&#150;174061&#150;X, (1993).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333384&pid=S0035-001X200700040001300006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">7. John Essick, <i>Advanced Lab View Labs, </i>Ed. Prentice Hall, ISBN 0&#150;13&#150;833949&#150;X, (1999).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333385&pid=S0035-001X200700040001300007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">8. R.D. Maldonado, A. I. Oliva, A.I. Oliva&#150;Aviles, J. Perera&#150;Borges, W. Cauich. J.E. Corona, O. Ceh. <i>"AuCu nanolayers: Deposition and characterization". </i>XVIII Latin American Symposium of Solid State Physics (SLAFES 06). Puebla, Puebla Mexico. 20&#150;24 November, (2006).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8333386&pid=S0035-001X200700040001300008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body><back>
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