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The Vibrational Density-of-States of Nanobundles of Single Wall Carbon Nanotubes: An Inelastic Neutron Scattering Study

  • S. Rols (a1) (a2), Z. Benes (a3), J.L. Sauvajol (a1), P. Papanek (a4), E. Anglaret (a1), G. Coddens (a5), A.J. Dianoux (a2) and J.E. Fischer (a3)...

Abstract

The phonon density of states of single-wall carbon nanotubes (SWNT) was measured by inelastic neutron scattering (INS) in a large energy range (0 to 120 meV). New information on the vibrational dynamics of SWNT is reported and compared with calculated density-of-sates. At lower frequencies (< 12 meV) we observe a peculiar energy dependence which we attribute to contributions from inter-tube modes in the 2D lattice of SWNT bundles, and also from effects of intertube coupling on the intra-tube excitations.

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The Vibrational Density-of-States of Nanobundles of Single Wall Carbon Nanotubes: An Inelastic Neutron Scattering Study

  • S. Rols (a1) (a2), Z. Benes (a3), J.L. Sauvajol (a1), P. Papanek (a4), E. Anglaret (a1), G. Coddens (a5), A.J. Dianoux (a2) and J.E. Fischer (a3)...

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