Resonant-photoemission study of Fe(100)

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Resonant photoemission of Fe(100) in the vicinity of the 3p-electron excitation threshold (53 eV) has been studied as a function of emission angle and photon energy. The resonant part in the energy distributions resembles closely convolutions of the spin-split valence-band density of states of Fe, centered at constant kinetic energy. This demonstrates that Auger decay dominates the resonant feature. At the binding energy of Γ₂₅^'↑ the photocurrent is virtually independent of photon energy.