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On the wurtzite to tetragonal phase transformation in ZnO nanowires
| Content Provider | Scilit |
|---|---|
| Author | Wang, Jun Shen, Yaogen Song, Fan Ke, Fujiu Liao, Xiaozhou Lu, Chunsheng |
| Copyright Year | 2017 |
| Description | Journal: Nanotechnology There is a long standing contradiction on the tensile response of zinc oxide nanowires between theoretical prediction and experimental observations. Although it is proposed that there is a ductile behavior dominated by phase transformation, only an elastic deformation and brittle fracture was witnessed in experiments. Using molecular dynamics simulations, we clarified that, as the lateral dimension of zinc oxide nanowires increases to a critical value, an unambiguous ductile-to-brittle transition occurs. The critical value increases with decreasing the strain rate. Factors including planar defects and surface contamination induce brittle fracture prior to the initiation of phase transformation. These findings are consistent with previous atomistic standpoints and experimental results. |
| Related Links | http://dspace.imech.ac.cn/bitstream/311007/60630/1/JouArt-2017-078.pdf |
| ISSN | 09574484 |
| e-ISSN | 13616528 |
| DOI | 10.1088/1361-6528/aa6566 |
| Journal | Nanotechnology |
| Issue Number | 16 |
| Volume Number | 28 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2017-03-23 |
| Access Restriction | Open |
| Subject Keyword | Journal: Nanotechnology Metallurgy and Metallurgical Engineering Surface Contamination Phase Transformation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Nanoscience and Nanotechnology Mechanics of Materials Mechanical Engineering Bioengineering Electrical and Electronic Engineering |
