Observation of Conduction Band Satellite of Ni Metal by 3p-3d Resonant Inverse Photoemission Study
Abstract
Resonant inverse photoemission spectra of Ni metal have been obtained across the Ni 3p absorption edge. The intensity of Ni 3d band just above Fermi edge shows asymmetric Fano-like resonance. Satellite structures are found at about 2.5 and 4.2 eV above Fermi edge, which show resonant enhancement at the absorption edge. The satellite structures are due to a many-body configuration interaction and confirms the existence of 3d8 configuration in the ground state of Ni metal.
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