论文摘要
Graphene-like（GL） materials have enriched the application prospects of two-dimensional materials by virtue of their various structures and properties. However, the following theoretical issues remain unsolved: how can stable GL materials exist and is plate idealization valid for any GL materials? Here we answer these questions based on an atomistic potential-based approach.The existence criteria for GL materials with three common structures, including planar honeycomb（PH）, buckled honeycomb（BH）, and honeycomb MX2（2 H-MX2） structures, were established. Moreover, the validity of classic linear-elastic plate models for these materials was examined. A validity factor, which represents the validity of using thin plate models to investigate the overall mechanical response of GL sheets, was defined. We determined that 2 H-MX2 sheets can approximately be modeled as thin plates for arbitrary loadings, unlike PH and BH sheets.
论文目录
文章来源
类型: 期刊论文
作者: JiaPeng Chen,Biao Wang
来源: Science China(Physics,Mechanics & Astronomy) 2019年05期
年度: 2019
分类: 基础科学,工程科技Ⅰ辑
专业: 无机化工
单位: School of Electronics and Information Technology, Sun Yat-Sen University,School of Physics, Sun Yat-Sen University,Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University
基金: supported by the National Natural Science Foundation of China(Grant Nos.11832019,11472313,and 11572355)
分类号: TQ127.11
页码: 88-102
总页数: 15
文件大小: 2276K
下载量: 11