Tensile and compressive mechanical behavior of twinned silicon carbide nanowires
文献类型：期刊论文
| 作者 | Wang, Z. G.1,2; Li, J. B.2; Gao, F.3; Weber, W. J.3 |
| 刊名 | Acta materialia
 |
| 出版日期 | 2010-04-01 |
| 卷号 | 58期号:6页码:1963-1971 |
| 关键词 | Twinning Nanotructures Fracture Buckling Molecular dynamics |
| ISSN号 | 1359-6454 |
| DOI | 10.1016/j.actamat.2009.11.039 |
| 通讯作者 | Wang, z. g.(zgwang@uestc.edu.cn) |
| 英文摘要 | Molecular dynamics simulations with the tersoff potential were used to study the response of twinned sic nanowires under tensile and compressive strain. the critical strain of the twinned nanowires can be enhanced by twin stacking faults, and their critical strains are larger than those of perfect nanowires with the same diameters. under axial tensile strain, the bonds of the nanowires are stretched just before failure. the failure behavior is found to depend on the twin segment thickness and the diameter of the nanowires. an atomic chain is observed for thin nanowires with small twin segment thickness under tension strain. under axial compressive strain, the collapse of twinned sic nanowires exhibits two different failure modes, depending on the length and diameter of the nanowires, i.e., shell buckling for short nanowires and columnar buckling for longer nanowires. (c) 2009 acta materialia inc. published by elsevier ltd. all rights reserved. |
| WOS关键词 | CHEMICAL-VAPOR-DEPOSITION ; AB-INITIO CALCULATIONS ; BETA-SIC NANOWIRES ; LOW-TEMPERATURE ; THIN-FILMS ; SIMULATION ; ELASTICITY ; NANOTUBES ; POLYTYPES ; GROWTH |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS类目 | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000275511700007 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2427796 |
| 专题 | 半导体研究所 |
| 通讯作者 | Wang, Z. G. |
| 作者单位 | 1.Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China 2.Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China 3.Pacific NW Natl Lab, Richland, WA 99352 USA |
| 推荐引用方式 GB/T 7714 | Wang, Z. G.,Li, J. B.,Gao, F.,et al. Tensile and compressive mechanical behavior of twinned silicon carbide nanowires[J]. Acta materialia,2010,58(6):1963-1971. |
| APA | Wang, Z. G.,Li, J. B.,Gao, F.,&Weber, W. J..(2010).Tensile and compressive mechanical behavior of twinned silicon carbide nanowires.Acta materialia,58(6),1963-1971. |
| MLA | Wang, Z. G.,et al."Tensile and compressive mechanical behavior of twinned silicon carbide nanowires".Acta materialia 58.6(2010):1963-1971. |
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来源：半导体研究所
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