Table 1

Young’s modulus (E) of different armchair carbon nanotubes from DFT (EDFT) and TB (ETB) calculations
Nanotube r(Ǻ) EDFT (GPa) ETB (GPa)
(5,5) 3.40 969.7 983.4
(6,6) 4.08 929.1 984.7
(7,7) 4.76 941.6 986.0
(8,8) 5.44 962.3 989.9

r is the tube radius

Liu et al. Nanoscale Research Letters 2010 5:478   doi:10.1186/1556-276X-5-478

Open Data