Tuesday, August 2, 2011, 9:30 am — Seminar Room, Bldg. 725
Ultrathin metal films – let’s say in the 1 to 10 monolayers range – exhibit characteristic physical and chemical properties with no counterpart in bulk materials. This behavior stems from the two-dimensional character of their electronic structure. Photoelectron techniques are therefore optimal tools to investigate these systems. In this talk, spin- and angular-resolved photoelectron spectroscopy (SP-ARPES) will be used to investigate the lifting of the spin degeneracy in the surface electronic states of a non-magnetic system: the 1-dimentionally modulated Bi monolayer on Ag(110). X-ray Photoelectron microscopy will instead be applied to study the low temperature mass transport during the separation of Fe70Ni30 martensite into the equilibrium bcc and fcc phases.
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