RAMAN SPECTRUM STUDY OF PHONON MODES FOR SINGLE-WALL CARBON NANOTUBES
Author(s) -
Hong-Nian Li,
XU YA-BO,
Haiyang Li,
HE PEI-MO,
Shining Bao
Publication year - 1999
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.48.273
Subject(s) - raman spectroscopy , phonon , carbon nanotube , materials science , spectral line , molecular physics , coherent anti stokes raman spectroscopy , raman scattering , optics , condensed matter physics , physics , nanotechnology , quantum mechanics
The first and second-order Raman spectra were measured for single-wall carbon nanotubes (SWNTs). Eighteen first-order Raman spectral lines and seven second-order Raman spectral lines were observed. Spectral lines predicted by theory were almost fully detected. Positions of the spectral lines observed are well coincident with theoretical values. The number of Raman active phonon modes and the second-order Raman spectral lines for high-purity SWNTs observed is the biggest up to date.
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