| Copper Nanobelt Reorientation by Molecular Dynamics Simulation |
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| 引用本文： | 沈敏 魏合林 王键 刘祖黎. Copper Nanobelt Reorientation by Molecular Dynamics Simulation[J]. 中国物理快报, 2006, 23(10): 2721-2724 |
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| 作者姓名： | 沈敏 魏合林 王键 刘祖黎 |
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| 作者单位： | [1]Department of Physics, Huazhong University of Science and Technology, Wuhan 430074 [2]Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 10574047 and 20490210. |
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| 摘 要： | ![]()
Atomic simulations using embedded atom method （EAM） are performed for Cu （100） nanobelts to study the structural and mechanical behaviour. Cu （100） nanobelts are along[001] taken as the z-axis and have a rectangular cross section in the x - y plane, with [100] and [010] taken as x and y axes. The periodic boundary is used along the z-axis to simulate an infinitely long nanobelt, and other surfaces are free. The simulations are carried out under the mechanical loading with an elongation strain rate of 8.0×10^8 s^-1 along the z-axis. The results show that the nanobelt undergoes a transition from the initial structure with a （100） axis and {100} lateral surfaces to a new structure with the （112） as the z-axis and the lateral surfaces are {111} and {110} respectively, instead of the original {100} surfaces. The mechanism of the structural transition is ascribed to the dislocation propagation through the nanobelt under the external stresses.
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| 关 键 词： | 原子物理 植入原子法 纳米带 周期边界 |
| 收稿时间： | 2006-06-13 |
| 修稿时间： | 2006-06-13 |
Copper Nanobelt Reorientation by Molecular Dynamics Simulation |
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| SHEN Min, WEI He-Lin, WANG Jian, LIU Zu-Li. Copper Nanobelt Reorientation by Molecular Dynamics Simulation[J]. Chinese Physics Letters, 2006, 23(10): 2721-2724 |
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| Authors: | SHEN Min WEI He-Lin WANG Jian LIU Zu-Li |
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| Abstract: | ![]()
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