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Neutron Spectroscopy of Carbon nano-Materials

Published online by Cambridge University Press:  01 February 2011

Alexander I. Kolesnikov ,
Chun-K. Loong ,
Alexander P. Moravsky ,
Raouf O. Loutfy  and
Christian J. Burnham
Alexander I. Kolesnikov
Affiliation:
Argonne National Laboratory, Intense Pulsed Neutron Source Division, 9700 South Cass Avenue, Argonne, IL 60439
Chun-K. Loong
Affiliation:
Argonne National Laboratory, Intense Pulsed Neutron Source Division, 9700 South Cass Avenue, Argonne, IL 60439
Alexander P. Moravsky
Affiliation:
MER Corporation, 7960 South Kolb Road, Tucson, AZ 85706, USA
Raouf O. Loutfy
Affiliation:
MER Corporation, 7960 South Kolb Road, Tucson, AZ 85706, USA
Christian J. Burnham
Affiliation:
Henry Eyring Center for Theoretical Chemistry, University of Utah, Salt Lake City, Utah, 84112–0850, USA.
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Abstract

Vibrational spectra for single wall carbon nanotubes, double wall carbon nanotubes, single wall carbon nanohorns and C60-peapods have been measured with inelastic neutron scattering in a wide range of energy transfer, 5–220 meV. A decrease in intensity around 75–100 meV and the appearance of two peaks around 120–125 meV and 150 meV in the double wall nanotubes and C60-peapods spectra compared to single wall carbon nanotubes and nanohorns were observed. These findings indicate the possibility of strong interaction between the walls of the double wall carbon nanotube, and between C60 molecules and carbon nanotube of the peapod. Alternatively, a possible contamination of the samples by hydrogen (even in microscopic quantities) covalently bonded to the carbon also can account for the observed phenomena.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 840: Symposium Q – Neutron and X-Ray Scattering as Probes of Multiscale Phenomena , 2004 , Q2.3
Copyright
Copyright © Materials Research Society 2005

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References

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