Spatial dependence of electron interactions in carbon nanotubes

Nicholas Bronn, Nadya Mason

Research output: Contribution to journalArticle

Abstract

We report measurements of the spatial dependence of the electron energy distribution in carbon nanotubes, from which electron interactions are determined. Using nonequilibrium tunneling spectroscopy with multiple superconducting probes, we characterize electron transport as ballistic or diffusive, and interactions as elastic or inelastic. We find that transport in nanotubes is generally diffusive, caused by elastic scattering from a few defects. However, local inelastic scattering can be tuned "on" or "off" with a gate voltage.

Original languageEnglish (US)
Article number161409
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume88
Issue number16
DOIs
StatePublished - Oct 29 2013

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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