Effects of Finite Deformed Length in Carbon Nanotubes

Details Effects of Finite Deformed Length in Carbon Nanotubes Effects of Finite Deformed Length in Carbon Nanotubes

2003-12-27

arxiv.org/abs/cond-mat/0312655v1

Appl. Phys. Lett. 84, 4203 (2004).

Physics

Condensed Matter

Materials Science

4 pages, 4 figures

Scientific paper

10.1063/1.1751608

The effect of finite deformed length is demonstrated by squashing an armchair (10,10) single-walled carbon nanotube with two finite tips. Only when the deformed length is long enough, an effectual metal-semiconductor-metal heterojunction can be formed in the metallic tube. The effect of finite deformed length is explained by the quantum tunnelling effect. Furthermore, some conceptual designs of nanoscale devices are proposed from the metal-semiconductor-metal heterojunction.

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