High-Field Electrical Transport in Single-Wall Carbon Nanotubes

Details High-Field Electrical Transport in Single-Wall Carbon Nanotubes High-Field Electrical Transport in Single-Wall Carbon Nanotubes

1999-11-12

arxiv.org/abs/cond-mat/9911186v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 eps figures

Scientific paper

10.1103/PhysRevLett.84.2941

Using low-resistance electrical contacts, we have measured the intrinsic high-field transport properties of metallic single-wall carbon nanotubes. Individual nanotubes appear to be able to carry currents with a density exceeding 10^9 A/cm^2. As the bias voltage is increased, the conductance drops dramatically due to scattering of electrons. We show that the current-voltage characteristics can be explained by considering optical or zone-boundary phonon emission as the dominant scattering mechanism at high field.

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