| Self-healing of fractured one-dimensional brittle nanostructures |
| Wang J(王军) ; Lu CS(卢春生); Wang Q; Xiao P(肖攀); Ke FJ(柯孚久); Bai YL(白以龙); Shen YG; Wang YB; Liao XZ; Gao HJ; Wang, J; Curtin Univ Technol, Dept Mech Engn, Perth, WA 6845, Australia.
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| 发表期刊 | EPL
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| 2012-04-01
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| 卷号 | 98期号:1页码:16010 |
| ISSN | 0295-5075
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| 摘要 | Recent experiments have shown that fractured GaAs nanowires can heal spontaneously inside a transmission electron microscope. Here we perform molecular-dynamics simulations to investigate the atomic mechanism of this self-healing process. As the distance between two fracture surfaces becomes less than 1.0 nm, a strong surface attraction is generated by the electrostatic interaction, which results in Ga-As re-bonding at the fracture site and restoration of the nanowire. The results suggest that self-healing might be prevalent in ultrathin one-dimensional nanostructures under near vacuum conditions. |
| 关键词 | Resolution Electron-microscopy
Zinc-oxide Nanocrystallites
Gaas Nanowires
Ambient-temperature
Molecular-dynamics
Behavior
Gold
Zno
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| 学科领域 | 损伤、破坏机理和微结构演化
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| URL | 查看原文
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| 收录类别 | SCI
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| 语种 | 英语
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| WOS记录号 | WOS:000302932900033
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| 项目资助者 | This work was supported by the Australian Research Council (Grant No. DP0985450), the National Natural Science Foundation of China (Grant Nos. 11172024, 11172305, 10932011, 11072014, 10972218 and 11021262), the National Basic Research Program of China (2012 CB937500), the China Postdoctoral Science Foundation (2011M500211), the Research Grant Council of the Hong Kong Special Administrative Region, China (Project No. 9041679 (CityU 120611)) and the U.S. National Science Foundation (CMMI-0758535). Computations were performed on computer clusters at the CNIC super-computing Center and iVEC through the use of advanced computing resources located at iVEC@ARRC. Partially computational resources were provided by Intersect Australia Ltd.
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| 课题组名称 | LNM材料的分子/细观统计力学行为
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| 论文分区 | 二类/Q2
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| 引用统计 |
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| 文献类型 | 期刊论文
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| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/46702
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| 专题 | 非线性力学国家重点实验室
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| 通讯作者 | Wang, J; Curtin Univ Technol, Dept Mech Engn, Perth, WA 6845, Australia. |
推荐引用方式
GB/T 7714 |
Wang J,Lu CS,Wang Q,et al. Self-healing of fractured one-dimensional brittle nanostructures[J]. EPL,2012,98,1,:16010.
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| APA |
王军.,卢春生.,Wang Q.,肖攀.,柯孚久.,...&Curtin Univ Technol, Dept Mech Engn, Perth, WA 6845, Australia..(2012).Self-healing of fractured one-dimensional brittle nanostructures.EPL,98(1),16010.
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| MLA |
王军,et al."Self-healing of fractured one-dimensional brittle nanostructures".EPL 98.1(2012):16010.
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