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Visible light emission produced by interaction of highly ionized Krq+ ions with a Al surface

Yang Zhao-Rui Zhang Xiao-An Xu Qiu-Mei Yang Zhi-Hu

Visible light emission produced by interaction of highly ionized Krq+ ions with a Al surface

Yang Zhao-Rui, Zhang Xiao-An, Xu Qiu-Mei, Yang Zhi-Hu
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  • Received Date:  27 June 2012
  • Accepted Date:  18 September 2012
  • Published Online:  20 February 2013

Visible light emission produced by interaction of highly ionized Krq+ ions with a Al surface

  • 1. Ion Beam and Optical Physical Joint Laboratory of Xianyang NormalUniversity and Institute of Modern Physics, Chinese Academy of Sciences, Xianyang 712000, China;
  • 2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 11075135, 11174296), the Natural Science Foundation of Shaanxi Province, China (Grant No. 2012JM1009), and the Education Commission Foundation of Shaanxi Province, China (Grant No. 12JK0984).

Abstract: 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.

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