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Título: | 13C NMR chemical shift of single-wall carbon nanotubes |
Autor: | Latil, Sylvain; Henrard, Luc; Goze-Bac, Christophe; Bernier, Patrick; Rubio, Angel CSIC ORCID | Fecha de publicación: | 2001 | Editor: | American Physical Society | Citación: | Physical Review Letters 86(14): 3160- 3163 (2001) | Resumen: | We compute the magnetic shielding tensor within the London approximation and estimate the Knight shift of single-wall carbon nanotubes. Our results indicate that high resolution 13C NMR should be able to separate the metallic and insulator character of the nanotubes since a 11 ppm splitting is predicted from the respective resonances. As a model for disorder, bending, and defects in these structures, we investigate the magnetic response of nanotubes with finite size. We get a small line broadening coming from an intrinsic length dependent resonance effect. The nanotube packing is also studied and leads to a 20 ppm broadening which disappears under experimental high-resolution conditions. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.86.3160 | URI: | http://hdl.handle.net/10261/98696 | DOI: | 10.1103/PhysRevLett.86.3160 | ISSN: | 0031-9007 | E-ISSN: | 1079-7114 |
Aparece en las colecciones: | (CFM) Artículos |
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13C NMR.pdf | 160,62 kB | Adobe PDF | Visualizar/Abrir |
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