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Chin. Phys. B, 2022, Vol. 31(6): 063204    DOI: 10.1088/1674-1056/ac4488
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

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
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 1, 3, 4 and 2, 15 to 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.
Keywords:  light ions      ion-atom collision      L-shell x-ray      multiple ionization  
Received:  27 September 2021      Revised:  15 December 2021      Accepted manuscript online:  18 December 2021
PACS:  79.20.Rf (Atomic, molecular, and ion beam impact and interactions with surfaces)  
  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)  
Fund: 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).
Corresponding Authors:  Xian-Ming Zhou     E-mail:  xmzhou19860208@163.com

Cite this article: 

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 2022 Chin. Phys. B 31 063204

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