Physics at Virginia

"Novel Optical Studies of Ion-erosion, Growth, and Diffusion on Metal Surfaces**"

Petros Thomas , University of California at Davis
[Host: George Hess]
The novel optical techniques of oblique-incidence reflectivity difference (OI-RD) and linear optical diffraction (LOD) are applied to several distinct surface physics problems. Studies of Ar and Ne-ion sputtering and thermal annealing of Nb(110) and Cu(111) using OI-RD will be discussed. The evolution of the average slope of the surface morphology of a moderately stepped Ni(111) surface under ion erosion will be presented. OI-RD studies of the adsorption and desorption of atomic hydrogen and deuterium on Nb(110) and Cu(111) will also be reported." **If time allows, the following topic will also be discussed: "The adsorption, growth and diffusion studies of Xe on Nb(110)".
Condensed Matter Seminar
Thursday, August 18, 2005
3:30 PM
Physics Building, Room 204
Note special room.

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