Sum of the Fermi level referenced (see
Fermi level referencing) kinetic energy of a narrow Auger electron peak in the spectrum and the binding energy of the most intense photoelectron peak from the same element.
See also: initial-state Auger parameter
Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1827 (https://doi.org/10.1515/pac-2019-0404)