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Resonance Raman Scattering of Multi-Walled Carbon Nanotubes

Published online by Cambridge University Press:  10 February 2011

H. Kataura ,
Y Achiba ,
X. Zhao  and
Y Ando
H. Kataura
Affiliation:
Department of Physics, Faculty of Science, Tokyo Metropolitan University, Tokyo 192-0397, JAPAN, [email protected]
Y Achiba
Affiliation:
Department of Chemistry, Faculty of Science, Tokyo Metropolitan University, Tokyo 192-0397, JAPAN
X. Zhao
Affiliation:
Department of Physics, Meijo University, Nagoya 468-8502, Japan
Y Ando
Affiliation:
Department of Physics, Meijo University, Nagoya 468-8502, Japan
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Abstract

Multi-walled carbon nanotubes synthesized by the carbon arc in hydrogen gas have very thin core channels. We have measured resonance Raman scattering of some samples synthesized in different conditions, and have observed radial breathing mode (RBM) peaks from 200 to 500 cm−1. Resonance effect of each peak is similar to that of single-walled nanotube. However, the peak frequencies are about 5 % higher than those of single-walled nanotubes, which is probably due to the inter-layer interaction. Further, the highest RBM peak splits in three peaks. The result on the resonance effect and the zone-folding band calculation suggest that the thinnest core nanotube is (4,3) that have four candidates of second outer nanotubes. This suggests that the different outer nanotube gives different degree of the interlayer interaction.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 593: Symposium U – Amorphous & Nanostructured Carbon , 1999 , 113
Copyright
Copyright © Materials Research Society 2000

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References

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