| Surface Plasmon—Assisted Excitation of Atomic Visible Light Spectral Lines in the Impact of Highly Charged Ions 126Xeq＋ on Solid Surfaces |
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| 引用本文： | 张小安,赵永涛,李福利,杨治虎,肖国青,詹文龙.Surface Plasmon—Assisted Excitation of Atomic Visible Light Spectral Lines in the Impact of Highly Charged Ions 126Xeq＋ on Solid Surfaces[J].中国物理快报,2003,20(8):1372-1375. |
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| 作者姓名： | 张小安 赵永涛 李福利 杨治虎 肖国青 詹文龙 |
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| 作者单位： | [1]DepartmentofAppliedPhysics,Xi‘anJiaoTongUniversity,Xi’an710049;InstituteofModernPhysics,ChineseAcademyofSciences,Lanzhou730000 [2]DepartmentofAppliedPhysics,Xi‘anJiaoTongUniversity,Xi’an710049; [3]InstituteofModernPhysics,ChineseAcademyofSciences,Lanzhou730000 |
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| 摘 要： | We measured the visible light spectral lines of sputtering atoms from solid surfaces orAl, Ti, Ni, Ta and Au which are impacted by 150 keV 126Xeq (6 ≤q ≤ 30). It is found that intensities of the light spectral lines are greatly and suddenly enhanced when the charge state of the ion is raised up to a critical value. If assuming that potential energy released from the incident ion due to capturing one electron is enough to excite a surface plasmon, we can estimate the critical charge states and obtain the results very well consistent with the measurements for the above-mentioned target materials. This means that a surface plasmon induced by one electron capture can enhance the excitation of atomic visible light spectral lines in the impact of a highly charged ion on a solid surface.
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| 关 键 词： | 原子物理学 可见光谱线 溅射 电子回旋加速器谐振 离子源 带电离子 等离子体激光 固体表面 |
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