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Defects, Quasibound States, and Quantum Conductance in Metallic Carbon Nanotubes
Abstract
The effects of impurities and local structural defects on the conductance of metallic carbon nanotubes are calculated using an ab initio pseudopotential method within the Landauer formalism. Substitutionally doped boron or nitrogen produces quasibound impurity states of a definite parity and reduces the conductance by a quantum unit (2e(2)/h) via resonant backscattering. These resonant states show strong similarity to acceptor or donor states in semiconductors. The Stone-Wales defect also produces quasibound states and exhibits quantized conductance reduction. In the case of a vacancy, the conductance shows a much more complex behavior than the prediction from the widely used pi-electron tight-binding model.
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Citations
Cites
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Iijima, S. (1991) · Nature · doi:10.1038/354056a0 · Cited by 43,098
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Cited by
Theory of Electronic States and Transport in Carbon Nanotubes
Ando, T. (2005) · Journal of the Physical Society of Japan · doi:10.1143/jpsj.74.777 · Cited by 893
Hall conductivity of a two-dimensional graphite system
Zheng, Y., & Ando, T. (2002) · Physical Review B · doi:10.1103/physrevb.65.245420 · Cited by 717
Gómez-Navarro, C., Pablo, P. J. D., Gómez-Herrero, J., Biel, B., Garcia-Vidal, F. J., Rubio, A., & Flores, F. (2005) · Nature Materials · doi:10.1038/nmat1414 · Cited by 411
Anomalous Doping Effects on Charge Transport in Graphene Nanoribbons
Biel, B., Blase, X., Triozon, F., & Roche, S. (2009) · Physical Review Letters · doi:10.1103/physrevlett.102.096803 · Cited by 342
Metadata
- Authors
- Choi, H. J., Ihm, J., Louie, S. G., & Cohen, M. L.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2000-03-27
- Volume
- 84
- Issue
- 13
- Pages
- 2917-2920
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1998805516
- Cited by
- 527
- References
- 19
- FWCI
- 18.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Choi, H. J., Ihm, J., Louie, S. G., & Cohen, M. L. (2000). Defects, Quasibound States, and Quantum Conductance in Metallic Carbon Nanotubes. Physical Review Letters. https://doi.org/10.1103/physrevlett.84.2917
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
