Raman spectra of lithium doped single-walled 0.4 nm carbon nanotubes

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	Raman spectra of lithium doped single-walled 0.4 nm carbon nanotubes
	Ye J.T.1; Li Z.M.1; Tang Z.K.1 ; Saito R.2
	2003-03-01
Source Publication	Physical Review B - Condensed Matter and Materials Physics
ISSN	01631829
Volume	67 Issue:11 Pages:1134041-1134044
Abstract	Using the vapor phase adsorption method, we show that it is possible to intercalate lithium atoms into 0.4-nm diameter single-walled carbon nanotubes. The charge-transfer behavior is studied by resonant Raman spectra. With increasing doping concentration, the radial breathing mode of these tubes shifts to higher frequency by about 18 cm because the vibration perpendicular to the tube axis is depressed. The G band exhibits conventional softening and downshift behavior. By decomposing the G band by one Breit-WignerFano line shape and three Lorentzians, we found that the softening and downshift is due to the intensity competition between four components. The BWF component at 1558 cm couples with the electronic continuum and survives until the saturated doping stage.
URL	View the original
Language	英語English
Fulltext Access	View Full-Text via Scopus
Document Type	Journal article
Collection	University of Macau
Affiliation	1.Hong Kong University of Science and Technology, William Mong Institute of Nano Science & Technology 2.University of Electro-Communications
Recommended Citation GB/T 7714	Ye J.T.,Li Z.M.,Tang Z.K.,et al. Raman spectra of lithium doped single-walled 0.4 nm carbon nanotubes[J]. Physical Review B - Condensed Matter and Materials Physics, 2003, 67(11), 1134041-1134044.
APA	Ye J.T.., Li Z.M.., Tang Z.K.., & Saito R. (2003). Raman spectra of lithium doped single-walled 0.4 nm carbon nanotubes. Physical Review B - Condensed Matter and Materials Physics, 67(11), 1134041-1134044.
MLA	Ye J.T.,et al."Raman spectra of lithium doped single-walled 0.4 nm carbon nanotubes".Physical Review B - Condensed Matter and Materials Physics 67.11(2003):1134041-1134044.

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