Abstract
We have calculated the energy distribution of electrons produced by ionization of the ionic crystal electrons in grazing fast ion–insulator surface collision. The ionized electrons originate in the 2p F − orbital. We observe that the binary peak appears as a double change in the slope of the spectra, in the high energy region. The form of the peak is determined by the initial electron distribution and its position will be affected by the binding energy of the 2p F − electron in the crystal. This BEP in insulator surfaces will appear slightly shifted to the low energy side with respect the ion–atom one.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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