Neutralization of low keV Ne+ ions at a LiF(001) surface is studied in a grazing incidence geometry. The combination of energy loss and electron spectroscopy in coincidence reveals two neutralization channels of comparable importance. Besides the Auger process, the Ne+ neutralization can proceed via peculiar target excitation, corresponding to the formation of an electron bihole complex termed trion.
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Electron bihole complex formation in neutralization of Ne+ on LiF(001).
Phys Rev Lett
June 2001
Laboratoire des Collisions Atomiques et Moléculaires (CNRS UMR 8625), Bat. 351, Université Paris Sud, F-91405, Orsay Cedex, France.
Neutralization of low keV Ne+ ions at a LiF(001) surface is studied in a grazing incidence geometry. The combination of energy loss and electron spectroscopy in coincidence reveals two neutralization channels of comparable importance. Besides the Auger process, the Ne+ neutralization can proceed via peculiar target excitation, corresponding to the formation of an electron bihole complex termed trion.
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