Optical Emission From the Al Surface Bombarded by 260~520 keV Krq+(8≤q≤17) Ion

Qiu-mei XU

doi:10.3964/j.issn.1000-0593(2022)02-0544-05

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 2 >Page 544 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 2, 544 (2022)

Optical Emission From the Al Surface Bombarded by 260~520 keV Kr^q⁺(8≤q≤17) Ion

Qiu-mei XU^*

Author Affiliations

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

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DOI: 10.3964/j.issn.1000-0593(2022)02-0544-05 Cite this Article

Qiu-mei XU. Optical Emission From the Al Surface Bombarded by 260~520 keV Kr^q⁺(8≤q≤17) Ion[J]. Spectroscopy and Spectral Analysis, 2022, 42(2): 544 Copy Citation Text

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Fig. 1. Schematic diagram of measurement apparatus for light emission from the solid surface bombarded by highly charged ion

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Optical emission from the interaction of 0.49 vBohr Kr13+ ions with Al surface

Fig. 2. Optical emission from the interaction of 0.49 v_Bohr Kr¹³⁺ ions with Al surface

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Fig. 3. The intensity ratios of Y(309.0)/Y(395.9), Y(358.3)/Y(395.9) and Y(451.6)/Y(395.9) vs. kinetic energy (a) and the ratios of Y(309.0)/Y(395.9) vs. potential energy (b) measured in the interaction of Kr^q⁺ ions with Al surface

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粒子	谱线/nm	激发能/eV	电子跃迁
Al Ⅰ	309.0	4.02	3s²3p-3s²3d
Al Ⅰ	395.9	3.13	3s²3p-3s²4s
Al Ⅱ	358.3	15.30	3s3d-3s4f
Al Ⅲ	451.6	20.55	2p⁶4p-2p⁶4d

Table 1. Atomic excitation energy and electron transition^[10]

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动能/ keV	速度 v_Bohr	电子阻止本领/ [MeV·(mg·cm^-2)^-1]	核阻止本领/ [MeV·(mg·cm^-2)^-1]	Y(309.0)/Y(395.9)	Y(358.5)/Y(395.9)	Y(452.8)/Y(395.9)
260	0.35	1.588	5.075	0.233±0.005	0.089±0.003	0.041±0.003
390	0.42	2.114	4.556	0.317±0.017	0.150±0.013	0.067±0.008
520	0.49	2.484	4.137	0.352±0.012	0.195±0.008	0.089±0.020

Table 2. Electron stopping power and nuclear stopping power of Kr¹³⁺ ion in Al, and the intensity ratios of spectral line

Qiu-mei XU. Optical Emission From the Al Surface Bombarded by 260~520 keV Kr^q⁺(8≤q≤17) Ion[J]. Spectroscopy and Spectral Analysis, 2022, 42(2): 544

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