Faculté des sciences

M and N core excitations in zirconium

Vanini, F. ; Erbudak, M. ; Aebi, Philipp ; Kostorz, G.

In: Physical Review B, 1990, vol. 42, no. 10, p. 5984-5989

The structures in the electron-energy-loss spectra for the long-lived 3p, 3d, and 4s core excitations in clean zirconium are accounted for by the unoccupied density of states. Transitions to final states with different angular momenta are observed. The short-lived 4p excitations can only be understood in terms of an atomic theory given by Fano that treats excitation... Plus

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    Summary
    The structures in the electron-energy-loss spectra for the long-lived 3p, 3d, and 4s core excitations in clean zirconium are accounted for by the unoccupied density of states. Transitions to final states with different angular momenta are observed. The short-lived 4p excitations can only be understood in terms of an atomic theory given by Fano that treats excitation and relaxation processes simultaneously. It is concluded that the spatial overlap of the atomic wave function of different initial states with those of the 4d-projected final states are responsible for these observations.