paper

High-Field Electrical Transport in Single-Wall Carbon Nanotubes

arXiv:cond-mat/9911186 · doi:10.1103/PhysRevLett.84.2941

Abstract

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.

4 pages, 3 eps figures

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