Semiempirical Auger-electron energies for elements 10 ≤ Z ≤ 100

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Abstract

Auger-electron energies are calculated for a wide range of transition processes in elemental systems by means of a general semiempirical method developed within an intermediate-coupling framework. Experimental electron subshell binding-energy data are combined with Slater integral values, an adiabatic relaxation correction term, and, where appropriate, a solid-state correction term. The approach uses data derived from atomic Hartree-Fock calculations and does not require any fitting to experimental Auger energies. The limitation on accuracy is closely related to the reliability of available electron binding-energy data. For systems where such values are known to high accuracy, agreement between experimental and calculated Auger-electron values is generally within 1–2 eV with the maximum discrepancies near 5 eV. However, when the uncertainties in the binding energies used are larger, such uncertainties are correspondingly associated with the Auger-electron energy predictions. The values presented in these tables may be readily modified if superior binding energies become available. Furthermore, with suitable binding-energy data the tables may be adapted to predict Auger-energy values for the vapor phase as well as for the solid phase of the elemental system. With the exception of the elements Ne, Cl, Ar, Br, Kr, Xe, and Rn the tabulated values are for solid systems and are referenced to the Fermi level.

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