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Atomic simulation of helium trapping in displacement cascades

文献类型：期刊论文

作者Hu, Nengwen1; Deng, Huiqiu2; Wang, Canglong3; Hu, Wangyu1
刊名RSC ADVANCES
出版日期2016
卷号6页码:27113-27118
ISSN号2046-2069
DOI10.1039/c6ra00180g
英文摘要A molecular dynamics method is applied to simulate displacement cascades in He-doped alpha-Fe and predominant analytical attention is paid to the clustering of He-participating defect clusters to reveal the trapping behaviors of helium atoms in radiation processes. It is found that the radiation temperature, PKA energy and helium concentration play complex roles in defect production. An increase in helium atoms increases the number of defects and the increasing rate is greatly enhanced with the increase in PKA energy and initial radiation temperature. Cascade collisions significantly promote helium trapping through two types of mechanism, thermally activated self-trapping and cascade defect-created capture. Thermally activated self-trapping rather than cascade defect capturing causes helium trapping in displacement cascades.
WOS关键词BCC IRON ; ALPHA-IRON ; TEMPERATURE ; CLUSTERS ; IRRADIATION ; DYNAMICS ; BUBBLES ; METALS ; ENERGY
资助项目"Strategic Priority Research Program" of the Chinese Academy of Sciences[XDA03030100] ; National Natural Science Foundation of China[51471068] ; National Natural Science Foundation of China[51271075] ; National Natural Science Foundation of China[51371080] ; National Natural Science Foundation of China[11304324] ; National Natural Science Foundation of China[11505266] ; Shanghai Municipal Science and Technology Commission[13ZR1448000] ; Fundamental Research Funds for the Central Universities, Hunan University
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000372253700080
出版者ROYAL SOC CHEMISTRY
资助机构"Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Shanghai Municipal Science and Technology Commission ; Fundamental Research Funds for the Central Universities, Hunan University
源URL[http://119.78.100.186/handle/113462/42023]  
专题中国科学院近代物理研究所
通讯作者Hu, Wangyu
作者单位1.Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Hunan, Peoples R China
2.Hunan Univ, Sch Phys & Elect, Changsha 410082, Hunan, Peoples R China
3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714		 Hu, Nengwen,Deng, Huiqiu,Wang, Canglong,et al. Atomic simulation of helium trapping in displacement cascades[J]. RSC ADVANCES,2016,6:27113-27118.
APA Hu, Nengwen,Deng, Huiqiu,Wang, Canglong,&Hu, Wangyu.(2016).Atomic simulation of helium trapping in displacement cascades.RSC ADVANCES,6,27113-27118.
MLA Hu, Nengwen,et al."Atomic simulation of helium trapping in displacement cascades".RSC ADVANCES 6(2016):27113-27118.

入库方式： OAI收割

来源：近代物理研究所

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