期刊
PHYSICAL REVIEW B
卷 80, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.80.081402
关键词
carbon nanotubes; chirality; Fermi level; phonons; Raman spectra
资金
- MEXT, Japan NSF [20241023]
- NSF [DMR 07-04197]
- Czech Ministry of Education, Youth and Sports [LC-510, ME090600]
- Grants-in-Aid for Scientific Research [20241023] Funding Source: KAKEN
The Fermi energy dependence of the G-band resonance Raman spectra of single-wall carbon nanotubes (SWNTs) is calculated, including the Kohn anomaly effect for metallic tubes. The gate voltage dependence of the G-band Raman spectra for SWNTs shows chirality-dependent G(+)/G(-) spectra, reflecting their dependence on the eigenvector direction of the optical (LO and TO) phonon modes and the nanotube chirality.
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