XPS Theory

Photoionisation cross sections influence orbital signal as a function of excitation energy

Auger emissions are a secondary electron process

Coster-Kronig transitions cause unequal broadening in spin-orbit doublets

Conductive materials may present asymmetric photoemission peaks

Plasmon losses must be carefully evaluated to avoid misidentification

Rare multiplet splitting of S-orbitals may yield additional insights into chemical environments

Multiplet splitting is a final-state effect largely affecting first row transition metals

Spin-orbit splitting causes doublets in XPS

The Photoelectric effect underpins the entire field of XPS