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One-Dimensional Energy Dispersion of Single-Walled Carbon Nanotubes by Resonant Electron Scattering

Min Ouyang·Jin-Lin Huang·Charles M. Lieber
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Abstract

We characterized the energy band dispersion near the Fermi level in single-walled carbon nanotubes using low-temperature scanning tunneling microscopy. Analysis of energy dependent standing wave oscillations, which result from quantum interference of electrons resonantly scattered by defects, yield a linear energy dispersion near EF, and indicate the importance of parity in scattering for armchair single-walled carbon nanotubes. Additionally, these data provide values of the tight-binding overlap integral and Fermi wavevector in good agreement with previous work, but indicate that the electron coherence length is substantially shortened.

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Min Ouyang, Jin-Lin Huang, Charles M. Lieber. 2001-07-27. One-Dimensional Energy Dispersion of Single-Walled Carbon Nanotubes by Resonant Electron Scattering. https://doi.org/10.1103/physrevlett.88.066804

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