High-temperature evolution of linear carbon chains inside multiwalled nanotubes (Articolo in rivista)

Type
Label
  • High-temperature evolution of linear carbon chains inside multiwalled nanotubes (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Cazzanelli, E; Castriota, M; Caputi, LS; Cupolillo, A; Giallombardo, C; Papagno, L (2007)
    High-temperature evolution of linear carbon chains inside multiwalled nanotubes
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cazzanelli, E; Castriota, M; Caputi, LS; Cupolillo, A; Giallombardo, C; Papagno, L (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 75 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Calabria, Dipartimento Fis, I-87036 Cosenza, Italy; INFM, CNR, LYCRIL, I-87036 Cosenza, Italy; CEMIF, CAL, I-87036 Cosenza, Italy; Ist Nazl Fis Nucl, Grp Coll Cosenza, I-87036 Cosenza, Italy (literal)
Titolo
  • High-temperature evolution of linear carbon chains inside multiwalled nanotubes (literal)
Abstract
  • Multiwalled carbon nanotubes have been deposited on graphite cathodes by the arc discharge technique in a He atmosphere. A micro-Raman mapping, performed after scanning electron microscopy, reveals, in some regions of the sample, strong bands in the 1780-1860 cm(-1) range due to linear carbon chains inside the nanotubes. A temperature-dependent Raman study, up to about 1000 K, shows a strong but reversible decrease in their intensity. This phase transition behavior is explained as a temperature-driven reduction of the Peierls distortion of the linear carbon chain. (literal)
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