The theoretical analysis of the Si L2,3VV Auger lineshapes of Ca-silides is performed on the basis of the electronic properties of the valence states computed by the LMTO-ASA method. In CaSi2 the spectrum is directly interpreted on the basis of the ground states valence density of states, while final states hole-hole repulsion is not negligible in Ca2Si. This correlation effect, which is present only when a final state is found in an s state, is due to the quasi-atomic configuration of the Si 3s states in the compound.
Theory of the Auger spectra of Ca-Si compounds / Bisi, Olmes. - STAMPA. - (1989), pp. 30-39.
Theory of the Auger spectra of Ca-Si compounds
BISI, Olmes
1989
Abstract
The theoretical analysis of the Si L2,3VV Auger lineshapes of Ca-silides is performed on the basis of the electronic properties of the valence states computed by the LMTO-ASA method. In CaSi2 the spectrum is directly interpreted on the basis of the ground states valence density of states, while final states hole-hole repulsion is not negligible in Ca2Si. This correlation effect, which is present only when a final state is found in an s state, is due to the quasi-atomic configuration of the Si 3s states in the compound.
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