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
Abstract
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 01:58 |
| Last Modified: | 31 Oct 2018 12:30 |
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