Abstract

A comparative resonant photoemission (PE) study of Ni, Fe and Eu metal as well as Ce in CeGd is reported. It is shown that the resonant enhancement of the 6 eV satellite in the valence-band PE spectrum of Ni metal is almost completely due to an incoherent superposition of the valence-band PE spectrum with an intense Auger emission signal. On the other hand, the resonant enhancement of 4f signals from rare-earth systems turns out to be a true resonant PE phenomenon.

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