Nd L-shell x-ray emission induced by light ions

doi:10.1088/1674-1056/ac4488

中国物理B ›› 2022, Vol. 31 ›› Issue (6): 63204-063204.doi: 10.1088/1674-1056/ac4488

Nd L-shell x-ray emission induced by light ions

Xian-Ming Zhou(周贤明)^1,2,†, Jing Wei(尉静)¹, Rui Cheng(程锐)³, Yan-Hong Chen(陈燕红)³, Ce-Xiang Mei(梅策香)¹, Li-Xia Zeng(曾利霞)¹, Yu Liu(柳钰)¹, Yan-Ning Zhang(张艳宁)¹, Chang-Hui Liang(梁昌慧)¹, Yong-Tao Zhao(赵永涛)^2,3, and Xiao-An Zhang(张小安)^1,3

1 Ion Beam and Optical Physics Joint Laboratory of Xianyang Normal University and Insitite of Modern Physics, Chinese Academy of Sciences, Xianyang Normal University, Xianyang 712000, China;
2 School of Science, Xi'an Jiaotong University, Xi'an 710049, China;
3 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

收稿日期:2021-09-27 修回日期:2021-12-15 接受日期:2021-12-18 出版日期:2022-05-17 发布日期:2022-05-19
通讯作者: Xian-Ming Zhou E-mail:xmzhou19860208@163.com
基金资助:
Project supported by the National Key R&D Program of China (Grant No. 2017YFA0402300), the National Natural Science Foundation of China (Grant Nos. 11505248, 11775042, 11875096, and 11605147), the Scientific Research Program Funded by Shaanxi Provincial Education Department (Grant No. 20JK0975), Scientific Research Plan of Science and Technology Department of Shaanxi Province, China (Grant No. 2021JQ-812), Xianyang Normal University Science Foundation (Grant Nos. XSYK20024 and XSYK20009), and the academic leader of Xianyang Normal University (Grant No. XSYXSDT202108).

Nd L-shell x-ray emission induced by light ions

1 Ion Beam and Optical Physics Joint Laboratory of Xianyang Normal University and Insitite of Modern Physics, Chinese Academy of Sciences, Xianyang Normal University, Xianyang 712000, China;
2 School of Science, Xi'an Jiaotong University, Xi'an 710049, China;
3 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Received:2021-09-27 Revised:2021-12-15 Accepted:2021-12-18 Online:2022-05-17 Published:2022-05-19
Contact: Xian-Ming Zhou E-mail:xmzhou19860208@163.com
Supported by:
Project supported by the National Key R&D Program of China (Grant No. 2017YFA0402300), the National Natural Science Foundation of China (Grant Nos. 11505248, 11775042, 11875096, and 11605147), the Scientific Research Program Funded by Shaanxi Provincial Education Department (Grant No. 20JK0975), Scientific Research Plan of Science and Technology Department of Shaanxi Province, China (Grant No. 2021JQ-812), Xianyang Normal University Science Foundation (Grant Nos. XSYK20024 and XSYK20009), and the academic leader of Xianyang Normal University (Grant No. XSYXSDT202108).

摘要/Abstract

摘要： The L-shell x-ray of Nd has been obtained for 300-600 keV He²⁺ ions impacting, and compared with that produced by H⁺ and H₂⁺ ions. The threshold of projectile kinetic energy for L-shell ionization of Nd is crudely verified in the energy region of about 300-400 keV. It is found that the energy of the distinct L-subshell x-rays has a blue shift. The relative intensity ratios of Lβ_{1, 3, 4} and Lβ_{2, 15} to Lα_{1, 2} x-ray are enlarged compared to the atomic data, and they decrease with the increase of the incident energy, and increase with increasing the effective nuclear charge of the incident ions. That is interpreted by the multiple ionization of outer-shells induced by light ions.

关键词: light ions, ion-atom collision, L-shell x-ray, multiple ionization

Abstract: The L-shell x-ray of Nd has been obtained for 300-600 keV He²⁺ ions impacting, and compared with that produced by H⁺ and H₂⁺ ions. The threshold of projectile kinetic energy for L-shell ionization of Nd is crudely verified in the energy region of about 300-400 keV. It is found that the energy of the distinct L-subshell x-rays has a blue shift. The relative intensity ratios of Lβ_{1, 3, 4} and Lβ_{2, 15} to Lα_{1, 2} x-ray are enlarged compared to the atomic data, and they decrease with the increase of the incident energy, and increase with increasing the effective nuclear charge of the incident ions. That is interpreted by the multiple ionization of outer-shells induced by light ions.

Key words: light ions, ion-atom collision, L-shell x-ray, multiple ionization

中图分类号: (Atomic, molecular, and ion beam impact and interactions with surfaces)

79.20.Rf

32.80.Aa (Inner-shell excitation and ionization) 32.30.Rj (X-ray spectra) 32.80.Rm (Multiphoton ionization and excitation to highly excited states)

Xian-Ming Zhou(周贤明), Jing Wei(尉静), Rui Cheng(程锐), Yan-Hong Chen(陈燕红),Ce-Xiang Mei(梅策香), Li-Xia Zeng(曾利霞), Yu Liu(柳钰), Yan-Ning Zhang(张艳宁), Chang-Hui Liang(梁昌慧), Yong-Tao Zhao(赵永涛), and Xiao-An Zhang(张小安). Nd L-shell x-ray emission induced by light ions[J]. 中国物理B, 2022, 31(6): 63204-063204.

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Nd L-shell x-ray emission induced by light ions

Nd L-shell x-ray emission induced by light ions

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