Resonant Auger spectroscopy of argon clusters at the 2p threshold
Journal Article
·
· Physical Review. A
- Department of Synchrotron Radiation Research, Institute of Physics, Lund University, Box 118, 22100 Lund (Sweden)
Resonant Auger spectra of large argon clusters have been measured at the Ar 2p edge. The decay spectra can give some information on the states reached in photon absorption. For example, the observation of the 3p{sup 4}4p final states indicates the occurrence of the 2p{sub 3/2}{yields}4p excitation in clusters, whereas in atoms this excitation is dipole forbidden. Also the 3p{sup 4}3d final states are identified in the resonant Auger spectra. A peculiar finding is that the normal Auger transitions in bulk cluster atoms are observed below the 2p ionization thresholds. This is explained by the excitation of the 2p electrons into the conduction band, followed by a rapid delocalization of the electron.
- OSTI ID:
- 20650432
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 3 Vol. 71; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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