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