Structural Trends Interpretation of the Metal-to-Semiconductor Transition in Deformed Carbon Nanotubes

Details Structural Trends Interpretation of the Metal-to-Semiconductor Transition in Deformed Carbon Nanotubes Structural Trends Interpretation of the Metal-to-Semiconductor Transition in Deformed Carbon Nanotubes

2004-05-25

arxiv.org/abs/cond-mat/0405592v1

J. Appl. Phys. 97, 114314 (2005)

Physics

Condensed Matter

Materials Science

4 pages, 4 figures

Scientific paper

10.1063/1.1923160

Two mechanisms that drive metal-to-semiconductor transitions in single-walled carbon nanotubes are theoretically analyzed through a simple tight-binding model. By considering simple structural trends, the results demonstrate that metal-to-semiconductor transitions can be induced more readily in metallic zigzag nanotubes than in armchair nanotubes. Furthermore, it is shown that both mechanisms have the effect of making the two originally equivalent sublattices physically distinguishable.

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