Figure 3.

Variation of average C–C bond length in carbon nanocoils (CNCs) under elongation (positive) and compressive (negative) strains. The insert plot shows the comparison of percentages of bond length variation with regard to the equilibrium state for a (5, 5) CNC from DFT and TB calculations

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