The electron energy structure of AIBIIIC2VIcompounds
- 20 August 1987
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 20 (23) , 3445-3452
- https://doi.org/10.1088/0022-3719/20/23/014
Abstract
The valence band structures of AIBIIIC2VI (AI=Cu, Ag) type compounds are determined with electron state hybridisation phenomena, in particular with d-p resonance hybridisation phenomenon. In the region of the noble metal atom d band localisation the influence of this phenomenon on the density of valence band states curve in Cu compounds is greater than in Ag compounds; this is explained by the lowering of binding energy of the Cu d state centre of gravity in comparison with the Ag d state in the compounds investigated. The hybridised d-p resonance gives rise to p state splitting of the anion and of the other atoms of the compound, and (together with the influence of the crystal field) determines the energy splitting of the noble metal d states in the compounds investigated.Keywords
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