Direct observation of band-gap closure for a semiconducting carbon nanotube in a large parallel magnetic field

Details Direct observation of band-gap closure for a semiconducting carbon nanotube in a large parallel magnetic field Direct observation of band-gap closure for a semiconducting carbon nanotube in a large parallel magnetic field

2010-11-15

arxiv.org/abs/1011.3330v1

Phys. Rev. Lett.106, 096802 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.106.096802

We have investigated the magnetoconductance of semiconducting carbon
nanotubes (CNTs) in pulsed, parallel magnetic fields up to 60 T, and report the
direct observation of the predicted band-gap closure and the reopening of the
gap under variation of the applied magnetic field. We also highlight the
important influence of mechanical strain on the magnetoconductance of the CNTs.

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