This work reports a successful electron-electron coincidence experiment performed in grazing-angle reAection geometry. (e,2e) measurements with a 300-eV impact energy have been carried out on a clean highly oriented pyrolytic graphite surface and the feasibility of binding-energy spectroscopy with quasimornentum discrimination has been established. Evidence is given that direct impact ionization of the valence electrons is the dominant ionization mechanism in the highly asymmetric kinematics used here
REFLECTION (E,2E) SPECTROSCOPY ON SURFACES
IACOBUCCI S;CAMILLONI R;
1995
Abstract
This work reports a successful electron-electron coincidence experiment performed in grazing-angle reAection geometry. (e,2e) measurements with a 300-eV impact energy have been carried out on a clean highly oriented pyrolytic graphite surface and the feasibility of binding-energy spectroscopy with quasimornentum discrimination has been established. Evidence is given that direct impact ionization of the valence electrons is the dominant ionization mechanism in the highly asymmetric kinematics used hereFile in questo prodotto:
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