Curvature Effects on Electron States of Semiconducting Nanotubes

Abstract

Based on the generalized tight-binding model we study the electronic structure of all the semiconductor nanotubes with their diameters between 7.5 Å and 15.5 Å. We find that the van Hove peak separations versus nanotube diameters shows a qualitative difference from the well known plot based on zone-folding models. It has been clarified that the top of the… (More)

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