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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal align=center style='text-align:center'><span class=apple-style-span><span style='color:#002E7A'>***** Seminar *****</span></span><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><b><span style='color:#002E7A'>Center for Integrated Bio and Nano Systems</span></b><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><b><span style='color:#002E7A'>Houston Chapter of IEEE Nanotechnology Council and Houston Chapter of IEEE Magnetics Society</span></b><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><b><span style='color:#002E7A'> </span></b><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><span style='color:#002E7A'>Friday, </span><span style='color:#1F497D'>Oct.</span><span style='color:#002E7A'> </span><span style='color:#1F497D'>25</span><span style='color:#002E7A'>, 201</span><span style='color:#1F497D'>3</span><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><span style='color:#002E7A'>10:00 A.M. </span><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><span style='color:#002E7A'>Room: N355 Engineering Bldg. 1</span><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><span class=apple-style-span><span style='font-size:11.5pt;color:#002E7A'> </span></span><o:p></o:p></p><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:24.0pt;color:#1F497D;text-transform:uppercase'>Modeling and computer simulation of underpotential deposition at the nanoscale</span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal align=center style='text-align:center'><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal align=center style='text-align:center'><span style='font-size:18.0pt;color:#1F497D'>Ezequiel Leiva<o:p></o:p></span></p><p class=MsoNormal align=center style='text-align:center'><i><span style='font-size:16.0pt;color:#1F497D'>Department of Mathematics and Physics College of Chemical Sciences, <o:p></o:p></span></i></p><p class=MsoNormal align=center style='text-align:center'><i><span style='font-size:16.0pt;color:#1F497D'>Universidad Nacional de Cordoba, Argentina<o:p></o:p></span></i></p><p class=MsoNormal align=center style='text-align:center'><i><span style='font-size:16.0pt;color:#002E7A'> </span></i><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>The electrochemical formation of non-bulk surface (sub)monolayers at potentials more positive than the reversible Nernst potential for the bulk deposition of the adsorbate, popularly denominated underpotential deposition (upd), has been observed with a great variety of substrate/adsorbate combinations, including nanoparticles(NPs). The latter have awaked great interest in both the scientific and technological communities, and the size-dependence of their thermodynamic properties has been a hot topic of research in recent years. In the present talk we will address three different aspects of upd:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> 1- We will consider upd on surfaces with different curvatures, and we will show that in the case of surfaces with positive curvatures(NPs) the upd phenomenon should vanish in the nanoscale.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> 2- We will show how to deal with upd modeling in the presence of anions, and show that in some systems the presence of anions may be essential for the existence of upd.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> 3- We will analyze how to calculate the entropic contribution to the stability of upd deposits.<o:p></o:p></span></p><p class=MsoNormal><b><span style='color:#1F497D'><img width=274 height=196 id="Imagen_x0020_3" src="cid:image001.jpg@01CED093.385AFCA0" alt="cid:image003.jpg@01CECFEF.FE89F330"></span><span style='color:#1F497D'><o:p></o:p></span></b></p><p class=MsoNormal><b><span style='color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='color:#1F497D'>Bio of Dr.</span></b> <b><span style='color:#1F497D'>Leiva</span><span style='color:#002E7A'>: </span></b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Prof. Dr. Ezequiel P.M. Leiva obtained his BS and PhD from Cordoba University, Argentina, in 1979 and 1982. In 1984 he moved to the Institut fur Physikalische Chemie of University of Bonn as a postdoctoral fellow. He returned to Argentina 1986, where he was appointed to a Lectureship in Physical Chemistry. In 1993 he returned to Germany as a fellow of the Humboldt Foundation. In 1995 he returned to Argentina and served as associate professor and later as full professor (1999). Between 1996 and 2009 he was the head of the Unit of Mathematics and Physics of the College of Chemical Sciences, Universidad de Cordoba. He is the recipient of the Stock Exchange of Cordoba and the Bank of Boston Foundations in Córdoba, and Rafael Labriola Prize of the Asociación Química Argentina. He has published over 130 papers in refereed journals and 18 book chapters.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If you are interested in meeting and talking to Dr. Leiva, please contact Dr. Brankovic at <a href="mailto:SRBrankovic@uh.edu">SRBrankovic@uh.edu</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>