Resonant Photoemission from Si
- 23 May 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 50 (21) , 1701-1704
- https://doi.org/10.1103/physrevlett.50.1701
Abstract
Anomalous evolution of the silicon valence-band photoemission spectra is observed in the photon energy region from the core-excitation threshold to about 3 eV above the threshold. The -like topmost emission band shows a Fano-type resonance, and stronger intensity enhancement is observed in the deeper binding-energy region around 7.6 eV. The present results show the existence of a decaying localized core exciton at the core-excitation threshold.
Keywords
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