NMR relaxation rate in metallic carbon nanotubes |
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| Institution: | 1. Department of Chemical & Petroleum Engineering, Faculty of Engineering, Technology & Built Environment, UCSI University, Cheras, Kuala Lumpur 56000, Malaysia.;2. School of Chemical Engineering, Universiti Sains Malaysia, Nibong Tebal, Penang 14300, Malaysia. |
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| Abstract: | NMR relaxation rate, T1−1, of the metallic carbon nanotube is discussed based on Tomonaga–Luttinger-liquid theory. It is found that the Coulomb interaction leads to increase of (T1T)−1 by a power law with decreasing temperature, T. The dependence on temperature of (T1T)−1 in the multi-wall nanotube (MWNT) is shown to be strongly suppressed by existence of the metallic shells in the MWNTs. |
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