Ensemble Monte Carlo transport simulations for semiconducting carbon nano-tubes

A. Verma, M. Z. Kauser, B. W. Lee, K. F. Brennan, P. P. Ruden

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

In this study we present results of ensemble Monte Carlo simulations for carbon nano-tubes, focusing particularly on semiconducting, single wall, zigzag (n,0) structures of relatively small diameter. The basis for the Monte Carlo simulations is provided by electronic structure calculations in the framework of a tight binding model. The principal scattering mechanism considered is due to the electron-phonon interaction involving longitudinal acoustic and optical phonons. From the ensemble Monte Carlo simulation we determine the electron distribution function as a function of position and time. We explore steady state and transient characteristics. An intriguing result is the oscillatory behavior of the average drift velocity, which we attribute to the optical phonon scattering within the limited phase space of the dynamically one-dimensional band structure.

Original languageEnglish (US)
Title of host publicationPHYSICS OF SEMICONDUCTORS
Subtitle of host publication27th International Conference on the Physics of Semiconductors, ICPS-27
Pages1049-1050
Number of pages2
DOIs
StatePublished - Jun 30 2005
EventPHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors, ICPS-27 - Flagstaff, AZ, United States
Duration: Jul 26 2004Jul 30 2004

Publication series

NameAIP Conference Proceedings
Volume772
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

OtherPHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors, ICPS-27
Country/TerritoryUnited States
CityFlagstaff, AZ
Period7/26/047/30/04

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