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The Electronic Structure of Carbon Nanotubes with inite Length : Tight Binding Theory
- Authors
- Won-HaMoon; Won-WooKim; Ho-JungHwang
- Issue Date
- 2002
- Publisher
- 한국전기전자재료학회
- Keywords
- Carbon Nanotube; Tight Binding Method; Brenner hydrocarbon potential
- Citation
- Transactions on Electrical and Electronic Materials, v.3, no.1
- Journal Title
- Transactions on Electrical and Electronic Materials
- Volume
- 3
- Number
- 1
- ISSN
- 1229-7607
2092-7592
- Abstract
- The electronic properties of Carbon Nanotube(CNT) are currently the focus of considerable interest. In this paper, the electronic properties of finite length effect in CNT for the carbon nano-scale device is presented. To Calculate the electronic properties of CNT, Empirical potential method (the extended Brenner potential for C-Si-H) for carbon and Tight Binding molecular dynamic (TBMD) simulation are used. As a result of study, we have known that the value of the band gap decreases with increasing the length of the tube. The energy band gap of (6,6) armchair CNT have the ranges between 0.3 eV and 2.5 eV. Also, our results are in agreements with the result of the other computational techniques.
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