Quantum conductance of carbon nanotubes with defects

Journal Article · Mon Jul 01 00:00:00 EDT 1996 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.54.2600· OSTI ID:286376

Chico, L; Benedict, L X; Louie, S G; Cohen, M L ^[1]

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1. Department of Physics, University of California at Berkeley, Berkeley, California 94720 (United States)

We study the conductance of metallic carbon nanotubes with vacancies and pentagon-heptagon pair defects within the Landauer formalism. Using a tight-binding model and a Green{close_quote}s function technique to calculate the scattering matrix, we examine the one-dimensional to two-dimensional crossover in these systems and show the existence of metallic tube junctions in which the conductance is suppressed for symmetry reasons. {copyright} {ital 1996 The American Physical Society.}

• Research Organization: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 286376
• Journal Information: Physical Review, B: Condensed Matter, Vol. 54, Issue 4; Other Information: PBD: Jul 1996
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
CARBON
ELECTRIC CONDUCTIVITY
CRYSTAL DEFECTS
ELECTRONIC STRUCTURE
QUANTIZATION
NANOSTRUCTURES
HETEROSTRUCTURES
TIGHT BINDING APPROXIMATION
TRANSPORT PROCESSES