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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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Keywords:
- highly charged ion /
- visible light emission /
- ion-surface interaction
[1] Hu B T, Wang L L, Song Y S 2006 Nucl. Techniq. 29 499
[2] Han L H, Zhang C H, Zhang L Q, Yang Y T, Song Y, Sun Y M 2010 Acta Phys. Sin. 59 4584 (in Chinese) [韩录会, 张崇宏, 张丽卿, 杨义涛, 宋银, 孙友梅 2010 59 4584 ]
[3] Lapicki G, Murty G A V, Naga Raju G J 2004 Phys. Rev. A 70 062718
[4] Yang Z H, Song Z Y, Chen X M, Zhang X A, Zhang Y P 2006 Acta Phys. Sin. 55 2221 (in Chinese) [杨治虎, 宋张勇, 陈熙盟, 张小安, 张艳萍 2006 55 2221]
[5] Zhang X A, Yang Z H, Wang D C, Mei C X, Niu C Y, Wang W, Dai B, Xiao G Q 2009 Acta Phys. Sin. 58 6920 (in Chinese) [张小安, 杨治虎, 王党朝, 梅策香, 牛超英, 王伟, 戴斌, 肖国青 2009 58 6920]
[6] Lorente N, Cazalilla M A, Gauyacq J P, Teillet-Billy D, Echenique P M 1998 Sur. Sci. 411 L888
[7] Baird W E, Zivitz M, Thomas E W 1975 Phys. Rev. A 12 876
[8] Стриганов А Р， Свентицкии НС 1966 Neutral and Ionized Atoms. Table of Spectral Lines (Moscow: the Atom Press)
[9] Reinke S, Hippler R 1992 Nucl. Instr. Meth. B 67 620
[10] Qayyum A, Akhtar M N, Riffat T 2005 Radiat. Phys. Chem. 72 66
[11] Institute of Metallurgical Information 1971 Wavelength Table of Spectrum Line (Beijing: China Industry Press) (in Chinese) [冶金工业部科技情报产品标准研究所编译 1971 光谱线波长表 (北京: 中国工业出版社)]
[12] Hattass M, Schenkel T, Barnes A V 1999 Phys. Rev. Lett. 82 4795
[13] Hagstrum H D 1954 Phys. Rev. 2 336
[14] Yang J F 1985 The Atom Physics (Beijing: Higher Education Press) p215 (in Chinese) [杨家福 1985原子物理学 (北京: 高等教育出版社) 第215页]
[15] Sigmund P 1969 Phys. Rev. 184 383
[16] Burgdörfer J, Lerner P, Meyer F W 1991 Phys. Rev. A 44 5674
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[1] Hu B T, Wang L L, Song Y S 2006 Nucl. Techniq. 29 499
[2] Han L H, Zhang C H, Zhang L Q, Yang Y T, Song Y, Sun Y M 2010 Acta Phys. Sin. 59 4584 (in Chinese) [韩录会, 张崇宏, 张丽卿, 杨义涛, 宋银, 孙友梅 2010 59 4584 ]
[3] Lapicki G, Murty G A V, Naga Raju G J 2004 Phys. Rev. A 70 062718
[4] Yang Z H, Song Z Y, Chen X M, Zhang X A, Zhang Y P 2006 Acta Phys. Sin. 55 2221 (in Chinese) [杨治虎, 宋张勇, 陈熙盟, 张小安, 张艳萍 2006 55 2221]
[5] Zhang X A, Yang Z H, Wang D C, Mei C X, Niu C Y, Wang W, Dai B, Xiao G Q 2009 Acta Phys. Sin. 58 6920 (in Chinese) [张小安, 杨治虎, 王党朝, 梅策香, 牛超英, 王伟, 戴斌, 肖国青 2009 58 6920]
[6] Lorente N, Cazalilla M A, Gauyacq J P, Teillet-Billy D, Echenique P M 1998 Sur. Sci. 411 L888
[7] Baird W E, Zivitz M, Thomas E W 1975 Phys. Rev. A 12 876
[8] Стриганов А Р， Свентицкии НС 1966 Neutral and Ionized Atoms. Table of Spectral Lines (Moscow: the Atom Press)
[9] Reinke S, Hippler R 1992 Nucl. Instr. Meth. B 67 620
[10] Qayyum A, Akhtar M N, Riffat T 2005 Radiat. Phys. Chem. 72 66
[11] Institute of Metallurgical Information 1971 Wavelength Table of Spectrum Line (Beijing: China Industry Press) (in Chinese) [冶金工业部科技情报产品标准研究所编译 1971 光谱线波长表 (北京: 中国工业出版社)]
[12] Hattass M, Schenkel T, Barnes A V 1999 Phys. Rev. Lett. 82 4795
[13] Hagstrum H D 1954 Phys. Rev. 2 336
[14] Yang J F 1985 The Atom Physics (Beijing: Higher Education Press) p215 (in Chinese) [杨家福 1985原子物理学 (北京: 高等教育出版社) 第215页]
[15] Sigmund P 1969 Phys. Rev. 184 383
[16] Burgdörfer J, Lerner P, Meyer F W 1991 Phys. Rev. A 44 5674
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