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Origin of the Breit-Wigner-Fano lineshape of the tangential G-band feature of metallic carbon nanotubes
Abstract
A detailed line-shape analysis of the tangential G-band feature attributable to metallic single-walled carbon nanotubes is presented. Only two components are needed to account for the entire G-band feature for metallic nanotubes. The higher-frequency component has a Lorentzian line shape, and the lower one has a Breit-Wigner-Fano (BWF) line shape. Through comparisons of the Raman tangential G-band spectra from three different diameter distributions of carbon nanotubes, we find that both the frequency and linewidth of the BWF component are diameter dependent and show functional forms consistent with theory. The nanotube curvature is responsible for both the frequency differences between the two components of the characteristic metallic G-band spectrum and the BWF coupling of the lower-frequency component. Surface-enhanced Raman spectroscopy studies provide supporting evidence that the phonon BWF coupling is to an electronic continuum.
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Citations
Cited by
Raman spectroscopy of carbon nanotubes
Dresselhaus, M. S., Dresselhaus, G., Saito, R., & Jorio, A. (2005) · Physics Reports · doi:10.1016/j.physrep.2004.10.006 · Cited by 4,499
Self-citationDNA-assisted dispersion and separation of carbon nanotubes
Zheng, M., Jagota, A., Semke, E. D., Diner, B. A., Mclean, R. S., Lustig, S. R., Richardson, R. E., & Tassi, N. G. (2003) · Nature Materials · doi:10.1038/nmat877 · Cited by 2,699
Characterizing Graphene, Graphite, and Carbon Nanotubes by Raman Spectroscopy
Dresselhaus, M. S., Jorio, A., & Saito, R. (2010) · Annual Review of Condensed Matter Physics · doi:10.1146/annurev-conmatphys-070909-103919 · Cited by 668
Self-citationUNUSUAL PROPERTIES AND STRUCTURE OF CARBON NANOTUBES
Dresselhaus, M. S., Dresselhaus, G., & Jorio, A. (2004) · Annual Review of Materials Research · doi:10.1146/annurev.matsci.34.040203.114607 · Cited by 507
Self-citationDubay, O., & Kresse, G. (2003) · Physical Review B · doi:10.1103/physrevb.67.035401 · Cited by 358
Metadata
- Authors
- Brown, S. D. M., Jorio, A., Corio, P., Dresselhaus, M. S., Dresselhaus, G., Saito, R., & Kneipp, K.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2001-03-29
- Volume
- 63
- Issue
- 15
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2019011995
- Cited by
- 551
- References
- 0
- FWCI
- 11.32
- Type
- journal article
- Language
- en
- Open access
- closed
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- Brown, S. D. M., Jorio, A., Corio, P., Dresselhaus, M. S., Dresselhaus, G., Saito, R., & Kneipp, K. (2001). Origin of the Breit-Wigner-Fano lineshape of the tangential G-band feature of metallic carbon nanotubes. Physical Review B. https://doi.org/10.1103/physrevb.63.155414
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