Pressure effects on surfactant solubilized single-wall carbon nanotubes

Raman scattering investigations of surfactant solubilized SWCNTs under hydrostatic pressure were performed. The wave number dependence on pressure for the tangential bands was observed to be discontinuous at 2 GPa, with change of slope for higher pressures. This change coincides with the calculated...

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Veröffentlicht in:	Physica Status Solidi (b) 2007-01, Vol.244 (1), p.105-109
Hauptverfasser:	Freire, P. T. C., Lemos, V., Lima Jr, J. A., Saraiva, G. D., Pizani, P. S., Nascimento, R. O., Ricardo, N. M. P. S., Mendes Filho, J., Souza Filho, A. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	61.46.Fg 62.50.+p 63.22.+m 78.30.Na Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Nanotubes Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures Physics
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Zusammenfassung:	Raman scattering investigations of surfactant solubilized SWCNTs under hydrostatic pressure were performed. The wave number dependence on pressure for the tangential bands was observed to be discontinuous at 2 GPa, with change of slope for higher pressures. This change coincides with the calculated critical pressure for collapse of the tubes. Therefore, it could be considered as indicative of deformation of the tube along the radial direction. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:	0370-1972 1521-3951
DOI:	10.1002/pssb.200672569