Abstract
A simple semi‐empirical model that correlates the Auger parameter to the ground state valence charge of the core‐ionized atom with closed valence shell configuration, and which was previously applied to Cu(I) (3d10) compounds, is extended to Ba (II) (5d10), Pb (II) (5d104s2), and Zn (II) (3d10) compounds (halides and chalcogenides). Until now, the Auger parameter was employed to separate initial and final state effects that influence the core electron binding energy. In agreement with our model, a linear relationship is found between the Auger parameter shift and the ground state Bader valence charge obtained by density functional theory (DFT) calculations.
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