Transition from Adiabatic to Sudden Core-Electron Excitation:on Ni(100)
- 29 August 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 51 (9) , 821-824
- https://doi.org/10.1103/physrevlett.51.821
Abstract
The first systematic study of the energy dependence of a core-level shake-up feature is presented. In contrast to expectations the shake-up peak remains nearly unchanged in intensity down to ∼ 15 eV above threshold. The early and abrupt turn-on of the multi-electron satellite found experimentally is well explained by a theory which describes the transition from adiabatic to sudden core-level excitation by a simple exchange-interaction picture.Keywords
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