Effects of various defects on the mechanical properties of black phosphorene
| Autor: | Minh-Quy Le, Van-Trang Nguyen, Thanh-Lam Bui, Danh-Truong Nguyen |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
Uniaxial tension Modulus 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences 0104 chemical sciences Stress (mechanics) Phosphorene chemistry.chemical_compound chemistry Fracture (geology) General Materials Science Electrical and Electronic Engineering Composite material 0210 nano-technology |
| Zdroj: | Superlattices and Microstructures. 112:186-199 |
| ISSN: | 0749-6036 |
| Popis: | The present work investigates the effects of seven types of defects on the mechanical properties of black phosphorene. Molecular dynamics finite element method with Stillinger-Weber potential is used to simulate the uniaxial tensile tests of the pristine and defective black phosphorene sheets. Young's modulus, fracture stress, and fracture strain of the pristine and defective black phosphorene sheets are estimated. Comparison of the influence of different types of defects on the mechanical response of black phosphorene is considered. Fracture mechanism of various defective black phosphorene sheets is also analyzed. It is found that effect of the defects on Young's modulus of black phosphorene is insignificant. In contrast, due to defects fracture stress and fracture strain can reduce up to 53% and 69%, respectively. Results provide a landscape on the mechanical properties of defective black phosphorene and are useful for the design of nanodevices with black phosphorene in future applications. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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