Table 1

Mechanical properties of the single-layer graphene film from nanoindentation experiments
Indenter radius (Å)/speed (Å/ps) 2-D elastic modulus (N/m) 3-D elastic modulus (TPa) 2-D pre-tension (N/m) 3-D pre-tension (GPa) 2-D max stress (N/m) 3-D max stress (GPa)
10/0.10 375.0644 1.1196 38.8546 115.9840 72.4895 216.3866
10/0.20 375.0096 1.1194 38.8589 115.9966 72.4771 216.3496
20/0.10 335.0012 1.0000 28.5092 85.1021 66.1326 197.4106
20/0.20 335.2572 1.0008 28.4879 85.0385 66.0994 197.3115
30/0.10 349.1828 1.0423 22.7998 68.0590 67.4504 201.3445
30/0.20 348.8383 1.0413 23.0197 68.7154 67.6680 201.9940
Average 353.0589 1.0539 / / 68.7195 205.1328

Wang et al.

Wang et al. Nanoscale Research Letters 2014 9:41   doi:10.1186/1556-276X-9-41

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