Open AccessVisible light emission produced by interaction of highly ionized Krq+ ions with a Al surface
Author(s) -
Yang Zhaorui,
Xiaoan Zhang,
Qiumei Xu,
Zhenhua Yang
Publication year - 2013
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.62.043401
Subject(s) - ion , excited state , atomic physics , projectile , ionization , range (aeronautics) , materials science , emission spectrum , spectral line , highly charged ion , electron ionization , physics , ion source , quantum mechanics , astronomy , metallurgy , composite material
The spectrum range from 300 to 600 nm is measured with low energy (V≈0.01 VBohr) highly charged Krq+ ions (q=8, 10, 13, 15, 17) impacted on Al surface. The results show that the spectral lines are induced by the impact of low-energy ions on Al surface, and that these lines belong to the sputtered atoms, ions, and the incident ions which are neutralized. The intensity of emission line increases with the projectile potential. The electron of Al can be efficiently excited to the 4s state by the higher potential energy compared with the excited state of 3d.