Article ID Journal Published Year Pages File Type
1618736 Journal of Alloys and Compounds 2010 5 Pages PDF
Abstract

The electronic parameters of the lithium thiogallate LiGaS2 have been evaluated by X-ray photoelectron spectroscopy (XPS). Spectral features of all constituent element core levels and Auger lines have been considered. The Ga–S bonding effects in Ga-bearing sulfide crystals have been discussed using binding energy difference Δ2p(S–Ga) = BE(S 2p) − BE(Ga 3d) as a representative parameter to quantify the valence electron shift from gallium to sulfur atoms. The value Δ2p(S–Ga) = 141.9 eV found for LiGaS2 is very close to that evaluated for AgGaS2. This relation is an indicator of closely coincident ionicity of Ga–S bonds in LiGaS2 and AgGaS2.

Related Topics
Physical Sciences and Engineering Materials Science Metals and Alloys
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