Evidence ofKLdouble-electron excitations in x-ray photoemission spectra of solids: The case of MgO andMgF2
- 15 January 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 49 (3) , 2226-2229
- https://doi.org/10.1103/physrevb.49.2226
Abstract
The observation of shake-up satellites assigned to simultaneous excitation of 1s and 2p Mg core electrons in magnesium oxide and fluoride is reported. The presence of well-defined features due to KL double-electron excitations in x-ray photoemission spectra of these solid-state systems is assessed. Possible multiplet splitting and effect of crystalline structures in double-electron line shapes are discussed. Reference to previous works in atomic and molecular systems is given. The relevance of this problem in x-ray-absorption spectroscopy data analysis is pointed out.Keywords
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