Deep inelastic neutron scattering of H2 in single-walled carbon nanotubes

D. G. Narehood, M. K. Kostov, P. C. Eklund, Milton Walter Cole, P. E. Sokol

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


We report deep inelastic neutron scattering studies of H2 adsorbed on single-walled carbon nanotubes. The kinetic energy per molecule (77 K±8 K) is consistent with the bulk value, but the observed and calculated rotational spectra differ from those of bulk H2. These findings suggest an orientation-dependent interaction between the H2 and the carbon nanotubes and indicate that the hydrogen may be adsorbed in the interstitial channels or in the external grooves of the nanotubes. We present model calculations which indicate that the orientational potential is large.

Original languageEnglish (US)
Article number233401
Pages (from-to)2334011-2334014
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number23
StatePublished - Jun 15 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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