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, O. - In: Auger Spectroscopy and Electronic Structure / G.CUBIOTTI; G.MONDIO AND K.WANDELT. - STAMPA. - BERLIN : Springer-Verlag, 1989. - ISBN 9783540516880. - 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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