Arora, Vijay Kumar (2014) Band gap engineering of carbon allotropes. Facta Universitatis Series: Electronics And Energetics, 27 (1). pp. 113-127. ISSN 0353-3670
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Official URL: http://dx.doi.org/10.2298/FUEE1401113A
Abstract
Starting from the graphene layer, the bandgap engineering of carbon nanotubes (CNTs) and graphene nanoribbons (GNRs) is described by applying an appropriate boundary condition. Linear E-k relationship of graphene transforms to a parabolic one as momentum vector in the tube direction is reduced to dimensions smaller than inverse of the tube diameter of a CNT. Similar transition is noticeable for narrow width of a GNR. In this regime, effective mass and bandgap expressions are obtained. A CNT or GNR displays a distinctly 1D character suitable for applications in quantum transport.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | bandgap engineering, graphene, carbon nanotube, graphene nanoribbon |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 59636 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 23 Jan 2017 00:24 |
| Last Modified: | 23 Jan 2022 01:04 |
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