Abstract
We have measured the photoemission spectra of Eu film prepared in an ultra-high vacuumchamber within the photon energy range from 21.2 to 177.7 eV. The 4f core level is located at∼2.1 eV below the Fermi level with some fine structures. The occupied partof the 5d6s valence band distributes between the Fermi level and∼6.5 eV binding energy. The 5d state extends from the Fermi level to the bottom ofthe valence band, while the 6s state has its maximum of the density of states at∼5.2 eV.The 5p–5d resonance has significant effects on the spectral lines acquired with photon energies lowerthan ∼30 eV. The 5d photoemission is enhanced and accompanied by Auger emission around thethreshold of the 5p–5d resonance.
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