Work

Electron Transport and Hot Phonons in Carbon Nanotubes

Year: 2005

Type: article

Abstract: We demonstrate the key role of phonon occupation in limiting the high-field ballistic transport in metallic carbon nanotubes. In particular, we provide a simple analytic formula for the electron transport scattering length, which we validate by accurate first principles calculations on (6, 6) and (11, 11) nanotubes. The comparison of our results with the scattering lengths fitted from experimental I-V curves indicates the presence of a nonequilibrium optical phonon heating induced by electron transport. We predict an effective temperature for optical phonons of thousands Kelvin.

Source: Physical Review Letters

DOI: 10.1103/physrevlett.95.236802

Authors: Michele Lazzeri, S. Piscanec, Francesco Mauri, A. C. Ferrari, J. Robertson

Institutions: Institut de minéralogie, de physique des matériaux et de cosmochimie, University of Cambridge

Language: English

Topic: Carbon Nanotubes in Composites

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2013239672

FWCI: 11.26

Cites: 26

Cited by: 275

Related to: 10