Nature of the Excited States of Rare-Gas Atoms Adsorbed on Metal Surfaces
- 21 February 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 50 (8), 600-603
- https://doi.org/10.1103/physrevlett.50.600
Abstract
Electron energy-loss spectroscopy has been used to study the coverage-dependent, electronic excitations of Ar and Xe adsorbed on Al(111), Ag(111), Cu, and Au surfaces. The monolayer loss features and cross sections indicate broadened atomiclike excitations with no evidence for a configurational-switching effect suggested in previous optical studies. The excited-state lifetime is found to be ∼4 times longer than theoretically predicted for isolated adatoms.
Keywords
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