Tunneling into Multiwalled Carbon Nanotubes: Coulomb Blockade and Fano Resonance

Preprint

20 March 2003

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/0303430

Abstract

Tunneling spectroscopy measurements of single tunnel junctions formed between multiwalled carbon nanotubes (MWNTs) and a normal metal are reported. Intrinsic Coulomb interactions in the MWNTs give rise to a strong zero-bias suppression of a tunneling density of states (TDOS) that can be fitted numerically to the environmental quantum-fluctuation (EQF) theory. An asymmetric conductance anomaly near zero bias is found at low temperatures and interpreted as Fano resonance in the strong tunneling regime.

Keywords

MULTIWALLED CARBON NANOTUBES
DENSITY OF STATES
COULOMB BLOCKADE
FANO RESONANCE
TUNNELING

All Related Versions

Version 1, 2003-03-20, ArXiv
Published version: Physical Review Letters, 91 (7), 076801.

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