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|Type:||Artigo de periódico|
|Title:||Resonant Raman scattering characterization of carbon nanotubes grown with different catalysts|
|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.|
|Editor:||Elsevier Science Bv|
|Citation:||Chemical Physics Letters. Elsevier Science Bv, v. 350, n. 41795, n. 373, n. 380, 2001.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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