Electron Emission from Polycrystalline Lithium Fluoride Induced by Slow Multicharged Ions
- 1 January 1995
- journal article
- Published by IOP Publishing in Europhysics Letters
- Vol. 29 (1) , 55-60
- https://doi.org/10.1209/0295-5075/29/1/010
Abstract
Total electron yields have been determined from electron emission statistics measured for impact of H+, Nq+ (q = 1, 5, 6) and Arq+ (q = 1, 3, 6, 9) on clean, polycrystalline lithium fluoride, by varying the impact energy from almost zero up to (10 × q) keV. Dependences of the electron emission statistics and yields on projectile charge and impact energy deviate strongly from the corresponding properties for clean metal surfaces, because of grossly different contributions of potential and kinetic emission and, in particular, a more efficient secondary electron emission if fast electrons are ejected from neutralising projectiles inside the LiF bulk.Keywords
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