13C NMR chemical shift of single-wall carbon nanotubes

S. Latil, L. Henrard, C. Gose Bac, P. Bernier, A. Rubio

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A systematic study of the 13C NMR chemical shifts of single-walled carbon nanotubes (SWNT) was presented. Results show that the Knight shift and the intra-atomic part of the orbital contribution can be removed without losing the physical relevance of the computations. The ring currents' contribution to the NMR shift of perfect and isolcated SWNT shows a 11 ppm splitting between the isotropic lines of semiconducting and metallic nanotubes. This distinct response could be used to characterize the electronic structure of a bulk nanotube sample.

langue originaleAnglais
Pages (de - à)3160-3163
Nombre de pages4
journalPhysical review letters
Numéro de publication14
Les DOIs
étatPublié - 2 avr. 2001

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