Abstract
Using time-resolved two-photon photoemission we have measured the linewidths and lifetimes of the unoccupied Shockley surface state and first image-potential state on Pd(111). Calculated values are in good agreement with the experimental results.
Highlights
Lifetimes and linewidths of surface states have been of increasing interest in recent years due to technological advances in experiment and progress in theoretical models
The focus on surface states stems from the surface sensitivity of photoelectron spectroscopy,[1] but similar results are obtained for hot electrons in bulk bands.[2]
In order to extend these studies to the Shockleytype surface states found for s p band gaps, we studied the Pd111͒ surface
Summary
Lifetimes of unoccupied surface states on Pd„111. A. Calculated values are in good agreement with the experimental results
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