Valence force field model for graphene and fullerenes |
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| Authors: | Carlos Lobo José Luís |
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| Institution: | 111. Departamento de Física, Instituto Superior Técnico, Avenida Rovisco Pais 1, P-1096, Lisboa, Portugal
211. Instituto de Engenharia de Sistemas de Computadores, Rua Alves Redol 9, Apartado 13069, P-1000, Lisboa, Portugal
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| Abstract: | We present two Valence Force Field models for sp 2 bonded carbon sheets with three and five parameters adjusted to the phonon frequencies of graphite. The transferability of the force constants is checked for the vibrations of C60, where we compare our results to other theoretical and experimental results. |
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