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Mechanical deformations and coherent transport in carbon nanotubes

Marco Buongiorno Nardelli and J. Bernholc
Phys. Rev. B 60, R16338(R) – Published 15 December 1999
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Abstract

We have investigated the conductance of carbon nanotubes under mechanical distortions likely to occur when forming nanoscale electronic devices. Using a realistic tight-binding Hamiltonian, several structure-dependent classes of electrical behavior in deformed nanotubes have been discovered. Bending, defects, and tube-tube contacts are shown to strongly modify transport in individual nanotubes, and to induce, in some cases, metal-semiconductor transitions. These results provide a clear interpretation of recent experimental findings and suggest avenues for their use in devices.

  • Received 23 July 1999

DOI:https://doi.org/10.1103/PhysRevB.60.R16338

©1999 American Physical Society

Authors & Affiliations

Marco Buongiorno Nardelli and J. Bernholc

  • Department of Physics, North Carolina State University, Raleigh, North Carolina 27695-8202

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Vol. 60, Iss. 24 — 15 December 1999

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