Current-carrying capacity of semiconducting carbon nanotubes

Yung Fu Chen, Michael S. Fuhrer

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A simple Boltzmann-equation model for charge transport in semiconducting single-walled carbon nanotubes (s-SWNTs) is developed with two adjustable parameters, the acoustic and optical phonon scattering lengths. The model predicts velocity saturation rather than current saturation in s-SWNTs at high bias, in agreement with a recent experiment. At moderate densities, the model predicts currents in s-SWNTs exceeding 25 μA, the limiting current in long metallic single-walled carbon nanotubes.

Original languageEnglish
Pages (from-to)3403-3407
Number of pages5
JournalPhysica Status Solidi (B) Basic Research
Volume243
Issue number13
DOIs
StatePublished - Nov 2006

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