The buckling of single-layer MoS2 under uniaxial compression

被引:37
|
作者
Jiang, Jin Wu [1 ]
机构
[1] Shanghai Univ, Shanghai Inst Appl Math & Mech, Shanghai Key Lab Mech Energy Engn, Shanghai 200072, Peoples R China
关键词
molybdenum disulphide; buckling; uniaxial compression; NANOTUBES; DYNAMICS; ELEMENT;
D O I
10.1088/0957-4484/25/35/355402
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Molecular dynamics simulations are performed to investigate the buckling of single-layer MoS2 under uniaxial compression. The strain rate is found to have an important effect on the critical buckling strain, where higher strain rate leads to larger critical strain. The critical strain is almost temperature-independent for T < 50 K, and it increases with increasing temperature for T > 50 K owing to the thermal vibration assisted healing mechanism on the buckling deformation. The length-dependence of the critical strain from our simulations is in good agreement with the prediction of the Euler buckling theory.
引用
收藏
页数:6
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