Volume 93, Number 4, February 2011
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||28 February 2011|
Phonon-drag thermopower of ballistic semiconducting single-wall carbon nanotubes and comparison with the semiclassical result
Materials Science Department, University of Patras - Patras 26 504, Greece, EU
Accepted: 31 January 2011
We theoretically investigate the phonon-drag thermopower, Sg, of semiconducting single-wall carbon nanotubes in the ballistic transport regime. Detailed derivations and numerical calculations for Sg as a function of temperature, tube radius and doping are presented. We find a striking similarity between the behavior of Sg in the ballistic regime and the one reported earlier in the diffusive transport regime.
PACS: 72.20.Pa – Thermoelectric and thermomagnetic effects / 73.63.Fg – Nanotubes / 63.20.kd – Phonon-electron interactions
© EPLA, 2011
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