Abstract
Abstract X-ray photoelectron spectra of pure uranium metal and stoichiometric uranium dioxide have been obtained using an AEI ES300 spectrometer. Binding energy values for core and valence electrons have been determined using an internally calibrated energy scale and monochromatic Al Kα radiation. Satellite peaks observed accompanying certain principal core ionizations are discussed in relation to the mechanisms by which they arise. Confirmation is obtained that for stoichiometric UO2·00 a single shake-up satellite is observed accompanying the U 4f7/2,5/2 principal core lines, separated by 6·8 eV to higher binding energy.
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