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Type: Artigo de periódico
Title: Resonant Raman scattering characterization of carbon nanotubes grown with different catalysts
Author: Corio, P
Temperini, MLA
Santos, PS
Romero, JV
Huber, JG
Luengo, CA
Brown, SDM
Dresselhaus, MS
Dresselhaus, G
Dantas, MSS
Leite, CF
Matinaga, F
Gonzalez, JC
Pimenta, MA
Abstract: Single-walled carbon nanotube samples produced in the presence of different combinations of metal catalysts have been studied by resonant Raman spectroscopy. The diameter distribution of different samples has been determined by analysis of the laser excitation energy dependence of the tangential modes associated with metallic nanotubes. These modes are resonantly enhanced over a narrow range of the exciting energies, which shifts for different samples. The Raman cross-section expression has been used to fit the experimental Raman excitation profiles. This procedure was used to determine the mean value and the width of the distribution of diameters within each sample. (C) 2001 Published by Elsevier Science B.V.
Country: Holanda
Editor: Elsevier Science Bv
Citation: Chemical Physics Letters. Elsevier Science Bv, v. 350, n. 41795, n. 373, n. 380, 2001.
Rights: fechado
Identifier DOI: 10.1016/S0009-2614(01)01268-4
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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