 | Nanotech 2002 Vol. 2
Technical Proceedings of the 2002 International Conference on Computational Nanoscience and Nanotechnology
Chapter 12: Molecular and Nanoelectronics |
Effects of Structural Deformation and Tube Chirality on Electronic Conductance of Carbon Nanotubes | |
| Authors: | A. Svizhenko, A. Maiti and M.P. Anantram |
| Affilation: | NASA Ames Research Center, US |
| Pages: | 314 - 317 |
| Keywords: | nanotube, molecular dynamics, tight-binding, Green’s function, sensor |
| Abstract: | A combination of large scale classical force-field (UFF), density functional theory (DFT) and tight-binding Green’s function transport calculations is used to study the electronic properties of carbon nanotubes under the twist, bending and AFM-tip deformation. We found that in agreement with experiment a significant change in electronic conductance can be induced by AFM-tip deformation of metallic zigzag tubes and by twist deformation of armchair tubes. The effect is explained in terms of bandstructure change under deformation. followed by a simple p-orbital analysis of nanotube bandstructure under deformation. |
 | View PDF of paper |
| ISBN: | 0-9708275-6-3 |
| Pages: | 504 |
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