“School of Nano-Sciences”
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| Paper IPM / Nano-Sciences / 11684 |
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| Abstract: | |||||
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Nonlinear quantum conductance in finite metallic single-wall carbon nanotubes due to presence
of a single defect has been studied theoretically using Ï-orbital tight-binding model. The correction to
the conductance induced by defects is sensitively dependent on wavefunction amplitudes of contributing
electronic states. It has been shown that by calculating this correction to the first order, we can delineate
the position of carbon atoms on tubular surface. It can also be used to specify the SWCNT at hand and
its level spacing.
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