Table 2

Young’s modulus (E) and spring constant (k) of carbon nanocoils (CNCs) from TB and DFT (values in brackets) calculations
Nanocoil L0 (Å) S(Å2) d(Å) E(GPa) k(N/m)
(5,5) 13.61 369.79 26.38 5.40 (5.31) 15.37 (15.54)
(6,6) 12.64 470.54 28.85 4.49 16.65
(7,7) 12.11 662.10 33.58 3.43 18.66
(8,8) 12.27 924.98 39.21 4.52 44.36

L0 is the equilibrium pitch length of CNC in the spiral direction; S is the area of cross section from top view, d is the effective coil diameter

Liu et al.

Liu et al. Nanoscale Research Letters 2010 5:478-483   doi:10.1007/s11671-010-9545-x

Open Data