Theoretical Simulations of Irradiation-Induced Sputtering at Tungsten Surface

doi:10.1063/1674-0068/30/cjcp1607138

	Theoretical Simulations of Irradiation-Induced Sputtering at Tungsten Surface
	Hua, Xue-min 1,2; He, Hai-yan 1,2; Ding, Wen-yi 1,2; Ding, Ru 3; Chen, Jun-ling3 ; Pan, Bi-cai 1,2
	2017-02-01
发表期刊	CHINESE JOURNAL OF CHEMICAL PHYSICS
摘要	The irradiation-induced sputtering and the structural damage at tungsten surface are investigated by using molecular dynamics simulations at the level of quantum mechanics. Our simulations indicate that the sputtered atoms appear when the energy of incident primary knock-on atom (PKA) is more than 200 eV and the incident angle of the PKA is larger than 65 degrees. Meanwhile, the irradiation-induced vacancies are less when the incident angle of PKA is in the range of 45 degrees-65 degrees. So, the optimum incident angles of PKA are suggested to reduce the irradiation-induced damage of the W surface. Furthermore, we find that the interstitials contained in the systems accelerate the sputtering whereas the intrinsic vacancies suppress the sputtering when the PKA is near the defects.
文章类型	Article
关键词	Sputtering w Surface Plasma Facing Material Tight-binding Molecular Dynamics Simulations
WOS标题词	Science & Technology ; Physical Sciences
DOI	10.1063/1674-0068/30/cjcp1607138
关键词[WOS]	ION IRRADIATION ; ENERGY ; DAMAGE
收录类别	SCI
语种	英语
项目资助者	National Magnetic Confinement Fusion Program(2013GB107004) ; National Magnetic Confinement Fusion Program(2013GB107004) ; National Magnetic Confinement Fusion Program(2013GB107004) ; National Magnetic Confinement Fusion Program(2013GB107004) ; National Magnetic Confinement Fusion Program(2013GB107004) ; National Magnetic Confinement Fusion Program(2013GB107004) ; National Magnetic Confinement Fusion Program(2013GB107004) ; National Magnetic Confinement Fusion Program(2013GB107004) ; National Natural Science Foundation of China(11275191) ; National Natural Science Foundation of China(11275191) ; National Natural Science Foundation of China(11275191) ; National Natural Science Foundation of China(11275191) ; National Natural Science Foundation of China(11275191) ; National Natural Science Foundation of China(11275191) ; National Natural Science Foundation of China(11275191) ; National Natural Science Foundation of China(11275191)
WOS研究方向	Physics
WOS类目	Physics, Atomic, Molecular & Chemical
WOS记录号	WOS:000397206700011
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/31767
专题	中科院等离子体物理研究所
作者单位	1.Univ Sci & Technol China, Key Lab Strongly Coupled Quantum Matter Phys, Dept Phys, Hefei 230026, Peoples R China 2.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China 3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式 GB/T 7714	Hua, Xue-min,He, Hai-yan,Ding, Wen-yi,et al. Theoretical Simulations of Irradiation-Induced Sputtering at Tungsten Surface[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2017,30(1):77-82.
APA	Hua, Xue-min,He, Hai-yan,Ding, Wen-yi,Ding, Ru,Chen, Jun-ling,&Pan, Bi-cai.(2017).Theoretical Simulations of Irradiation-Induced Sputtering at Tungsten Surface.CHINESE JOURNAL OF CHEMICAL PHYSICS,30(1),77-82.
MLA	Hua, Xue-min,et al."Theoretical Simulations of Irradiation-Induced Sputtering at Tungsten Surface".CHINESE JOURNAL OF CHEMICAL PHYSICS 30.1(2017):77-82.

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