Abstract
By applying non-equilibrium Green's functions in combination with density functional theory, we investigate the transport behaviours of single wall nanotubes based on group14 elements. The transmission spectrum and density of states for single wall nanotubes such as Lead nanotube(PbNT), Germanium nanotube(GeNT), Silicon nanotube(SiNT), Tin nanotube(SnNT) and Carbon nanotube(CNT) are compared.
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