Physics – Condensed Matter – Materials Science
Scientific paper
2000-12-13
Physics
Condensed Matter
Materials Science
10 pages, 6 figures
Scientific paper
10.1103/PhysRevB.64.033412
The bending of a carbon nanotube is studied by considering the structural evolution of a carbon nanotorus from elastic deformation to the onset of the kinks and eventually to the collapse of the walls of the nanotorus. The changes in the electronic properties due to {\it non-local} deformation are contrasted with those due to {\it local} deformation to bring out the subtle issue underlying the reason why there is only a relatively small reduction in the electrical conductance in the former case even at large bending angles while there is a dramatic reduction in the conductance in the latter case at relatively small bending angles.
Jayanthi C. S.
Liu Lei
Wu Shang-Yu
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