Condensed Matter Physics Seminar

2 p.m., Thursday, May 15, 2003
Room 1201, Physics Building

 Electrochemical and chemical loading: How bulk flux and reactions adjust to the impositions of surface fluxes

Wayne M. Saslow

(Texas A+M University)

Abstract:  We consider slow, steady surface processes that chemically "load" atoms and ions into a material, where the atoms and ions can react.  The material takes up the "load" both by a surface mode involving  diffusion and reaction, and by a bulk mode whose properties depend on the "load" and on the chemical reaction. A timely example is the electrochemical oxygenation and pressure-induced oxygenation of high Tc materials. For the uninitiated, we begin by discussing a non-reacting chemical system -- the car battery.
Host:  Einstein
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