Abstract
We analyze the effects of sp2/sp3 bond aspect ratio on the transport properties of amorphous carbon quasi-1D structures where structural disorder varies in a very non-linear manner with the effective band gap. Using a tight-binding approach the calculated electron transmission showed a high probability over a wide region around the Fermi level for sp2-rich carbon and also distinct peaks close to the band edges for sp3-rich carbon structures. This model shows a sharp rise of the structure resistance with the increase of sp3-C % followed by saturation in the wide band gap regime for carbon superlattice-like structures and suggests the tuneable characteristic time of carbon-based devices.
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