Volume 70, Number 6, June 2005
|Page(s)||768 - 774|
|Section||Atomic and molecular physics|
|Published online||11 May 2005|
Ion-induced kinetic electron emission from HOPG with different surface orientation
Institut für Allgemeine Physik, TU Wien Wiedner Haupstr. 8, A-1040 Vienna, Austria
Corresponding author: email@example.com
Accepted: 18 April 2005
Total electron emission yields for impact of , , , , and ions (impact energy 2–10) on clean highly oriented pyrolytic graphite (HOPG) have been measured. An enhancement in the electron yield of more than a factor of 2 is found when comparing results for differently oriented HOPG surfaces (orientation of the graphite layers with respect to the surface). By analyzing these data we elucidate the influence of electron transport on kinetic electron emission and derive direction-dependent mean escape depths for low-energy electrons.
PACS: 34.50.Dy – Interactions of atoms and molecules with surfaces; photon and electron emission; neutralization of ions / 79.20.Rf – Atomic, molecular, and ion beam impact and interactions with surfaces
© EDP Sciences, 2005
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