Universiti Teknologi Malaysia Institutional Repository

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

Vidhi, Rachana and Tan, Michael Loong Peng and Saxena, Tanuj and Hashim, Abdul Manaf and Arora, Vijay Kumar (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
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:26560
Deposited By: Widya Wahid
Deposited On:18 Jul 2012 09:58
Last Modified:31 Oct 2018 20:30

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