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The drift response to a high-electric field in carbon nanotubes

Tan, Michael Loong Peng and Hashim , Abdul Manaf and Vidhi, Rachana and Arora, Vijay Kumar and Tanuj, Saxena (2010) The drift response to a high-electric field in carbon nanotubes. Current Nanoscience, 6 (5). 492 -495. ISSN 1573-4137

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Official URL: http://dx.doi.org/10.2174/157341310797575050


The carrier statistics in carbon nanotubes (CNTs) with nonparabolic energy spectrum is studied in order to predict the ultimate (intrinsic) drift velocity as a function of temperature, concentration, and chirality. The extremely high mobilities in CNTs do not necessarily lead to higher saturation velocity that is limited to the intrinsic velocity calculated using Arora's formalism [V. K. Arora, Current Nanoscience 5, 227(2009)]. The ballistic nature of the mobility when CNT length is smaller than the scattering-limited mean free path is delineated. The results are of enormous importance in extracting carrier transport properties from a variety of experiments performed on CNTs.

Item Type:Article
Uncontrolled Keywords:carbon nanotubes, CNT, carrier concentration, high-electric-field transport, intrinsic velocity, saturation velocity, drift response, high-electric-field, arora's formalism; high intrinsic transconductance, transistor (MOSFET); CNT transistors, arora's nonequilibrium distribution function, graphene nanostructures; monte carlo experiments, CNT devices, nonparabolic energy, double-wall CNT transistor, shur's model, ballistic mobility, fermi-dirac distribution function, field effect transistor (FET)
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:26560
Deposited By: Mrs Liza Porijo
Deposited On:18 Jul 2012 01:58
Last Modified:07 Feb 2017 03:02

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