High pressure study of the intramolecular vibrational modes in sexithiophene single crystals (Articolo in rivista)

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Label
  • High pressure study of the intramolecular vibrational modes in sexithiophene single crystals (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0379-6779(00)00430-6 (literal)
Alternative label
  • M.A. Loi, Q. Cai, H.R. Chandrasekhar, M. Chandrasekhar, W. Graupner, G. Bongiovanni, A. Mura, C. Botta and F. Garnier (2001)
    High pressure study of the intramolecular vibrational modes in sexithiophene single crystals
    in Synthetic metals; ELSEVIER SCIENCE SA LAUSANNE, PO BOX 564, 1001 LAUSANNE 1 (Svizzera)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M.A. Loi, Q. Cai, H.R. Chandrasekhar, M. Chandrasekhar, W. Graupner, G. Bongiovanni, A. Mura, C. Botta and F. Garnier (literal)
Pagina inizio
  • 321 (literal)
Pagina fine
  • 326 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=1&SID=Z1K@ENjooBL14k55@ic&page=3&doc=21 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 116 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Q. Cai, H.R. Chandrasekhar, M. Chandrasekhar,- Univ Missouri; W. Graupner - Univ. Virginia; G. M.A. Loi, Bongiovanni, A. Mura- univ Cagliari C. Botta - Ismac- CNR and F. Garnier- Univ. Thiais (literal)
Titolo
  • High pressure study of the intramolecular vibrational modes in sexithiophene single crystals (literal)
Abstract
  • We report on the effects of a high hydrostatic pressure on the intra-molecular modes of a sexithiophene (T6) single crystal. Raman experiments were performed at low temperature up to a pressure of 80 kbar. We find that intermolecular interaction gives rise to a sizeable redistribution of the intensities of the strongest intra-molecular Raman lines. These changes are due to a slight deformation occurring in the terminal rings of the sexithiophene molecule. The frequencies of the bending modes involving sulfur atoms are the most affected by pressure. A Davydov doublet and a mixed inter/intra-molecular mode are observed. These results confirm the role played by the sulfur atoms in modulating the electronic overlap between chains. (literal)
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