From the same paper as the previous 5 images.
Figure 12. (a) Deformation energy U for a 23.6-nm-long (30,30) SWNT as a function of the bending angle θ. The symbols a–e attached to the curve indicate the points for which the tube shape and cross section at the buckling point are shown in the images (b)–(f) on the right. “TBR” denotes the transient bending regime. Reprinted from Reference [68]:
68. Kutana, A.; Giapis, K.P. Transient deformation regime in bending of single-walled carbon nanotubes. Phys. Rev. Lett. 2006, 97, 245501
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