Variable and reversible quantum structures on a single carbon nanotube

Details Variable and reversible quantum structures on a single carbon nanotube Variable and reversible quantum structures on a single carbon nanotube

2000-11-17

arxiv.org/abs/cond-mat/0011309v1

Phys. Rev. B 62, 16345 (2000)

Physics

Condensed Matter

Materials Science

7 pages, 4 figures, To be appear in PRB

Scientific paper

10.1103/PhysRevB.62.R16345

The band gap of a semiconducting single wall carbon nanotube decreases and eventually vanishes leading to metalization as a result of increasing radial deformation. This sets in a band offset between the undeformed and deformed regions of a single nanotube. Based on the superlattice calculations, we show that these features can be exploited to realize various quantum well structures on a single nanotube with variable and reversible electronic properties. These quantum structures and nanodevices incorporate mechanics and electronics.

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