Shape effects on the yield stress and deformation of silicon nanowires: A molecular dynamics simulation
文献类型：期刊论文
| 作者 | Yang ZY(杨振宇) ; Lu ZX(卢子兴); Zhao YP(赵亚溥)
|
| 刊名 | Journal of Applied Physics
 |
| 出版日期 | 2009 |
| 卷号 | 106期号:2页码:023537 |
| 通讯作者邮箱 | yzhao@imech.ac.cn |
| ISSN号 | 0021-8979 |
| 通讯作者 | 赵亚溥 |
| 合作状况 | 其它 |
| 中文摘要 | The tension and compression of single-crystalline silicon nanowires (SiNWs) with different cross-sectional shapes are studied systematically using molecular dynamics simulation. The shape effects on the yield stresses are characterized. For the same surface to volume ratio, the circular cross-sectional SiNWs are stronger than the square cross-sectional ones under tensile loading, but reverse happens in compressive loading. With the atoms colored by least-squares atomic local shear strain, the deformation processes reveal that the failure modes of incipient yielding are dependent on the loading directions. The SiNWs under tensile loading slip in {111} surfaces, while the compressive loading leads the SiNWs to slip in the {110} surfaces. The present results are expected to contribute to the design of the silicon devices in nanosystems. |
| 学科主题 | 固体力学 |
| 类目[WOS] | Physics, Applied |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | SEMICONDUCTOR NANOWIRES ; ELASTIC PROPERTIES ; STRENGTH ; SURFACES ; STRAIN |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000268613000063 |
| 公开日期 | 2009-12-28 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/28812]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Yang ZY,Lu ZX,Zhao YP. Shape effects on the yield stress and deformation of silicon nanowires: A molecular dynamics simulation[J]. Journal of Applied Physics,2009,106(2):023537. |
| APA | 杨振宇,卢子兴,&赵亚溥.(2009).Shape effects on the yield stress and deformation of silicon nanowires: A molecular dynamics simulation.Journal of Applied Physics,106(2),023537. |
| MLA | 杨振宇,et al."Shape effects on the yield stress and deformation of silicon nanowires: A molecular dynamics simulation".Journal of Applied Physics 106.2(2009):023537. |
入库方式： OAI收割
来源：力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。