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The energy and stability of helium-related cluster in nickel: A study of molecular dynamics simulation
Gong, HF; Wang, CB; Zhang, W; Xu, J; Huai, P; Deng, HQ; Hu, WY; Huai, P (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Div Nucl Mat & Engn, Shanghai 201800, Peoples R China.
2016
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
ISSN0168-583X
Volume368Issue:-Pages:75—80
Subtype期刊文献
AbstractUsing molecular dynamics simulation, we investigated the energy and stability of helium-related cluster in nickel. All the binding energies of the He-related clusters are demonstrated to be positive and increase with the cluster sizes. Due to the pre-existed self-interstitial nickel atom, the trapping capability of vacancy to defects becomes weak. Besides, the minimum energy configurations of He-related clusters exhibit the very high symmetry in the local atomistic environment. And for the He-N and He(N)V(1)SIA(1) clusters, the average length of He-He bonds shortens, but it elongates for the HeNV1I clusters with helium cluster sizes. The helium-to-vacancy ratio plays a decisive role on the binding energies of HeNVM cluster. These results can provide some excellent clues to insight the initial stage of helium bubbles nucleation and growth in the Ni-based alloys for the Generation-IV Molten Salt Reactor. (C) 2015 Elsevier B.V. All rights reserved.
KeywordVacancy Clusters Thermal-stability Grain-boundaries Metals Potentials Behavior Defects Fe Embrittlement Impurities
DOI10.1016/j.nimb.2015.11.036
Indexed BySCI
Language英语
WOS IDWOS:000369680700012
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25865
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorGong, HF; Huai, P (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Div Nucl Mat & Engn, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Gong, HF,Wang, CB,Zhang, W,et al. The energy and stability of helium-related cluster in nickel: A study of molecular dynamics simulation[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2016,368(-):75—80.
APA Gong, HF.,Wang, CB.,Zhang, W.,Xu, J.,Huai, P.,...&Huai, P .(2016).The energy and stability of helium-related cluster in nickel: A study of molecular dynamics simulation.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,368(-),75—80.
MLA Gong, HF,et al."The energy and stability of helium-related cluster in nickel: A study of molecular dynamics simulation".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 368.-(2016):75—80.
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