XPS Theory

What affects photoelectron energies?

XPS for BeginnersFundamentals 1Fundamentals of XPSData AnalysisApplications of XPSRelated Techniques Why do peaks move? While core orbitals all have their general place in the overall spectrum [...]

Pass Energy and Resolution

Spectral pass energy affects resolution and signal

Photoionisation Cross Sections

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

The Auger, or Auger-Meitner, Process and Auger Peaks

Auger emissions are a secondary electron process

Coster-Kronig Transmissions in XPS

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

Peak Asymmetry in Conducting Materials

Conductive materials may present asymmetric photoemission peaks

Plasmon Loss

Plasmon losses must be carefully evaluated to avoid misidentification

Multiplet splitting of s-orbitals in first row transition metals

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

Multiplet Splitting

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

Spin-Orbit Splitting

Spin-orbit splitting causes doublets in XPS

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