Measurement of the photorefractive space-charge field in a ferroelectric mesogen (Articolo in rivista)

Type
Label
  • Measurement of the photorefractive space-charge field in a ferroelectric mesogen (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1646762 (literal)
Alternative label
  • M. Talarico; R. Termine; G. Barberio; D. Pucci; M. Ghedini; A. Golemme (2004)
    Measurement of the photorefractive space-charge field in a ferroelectric mesogen
    in Applied physics letters (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Talarico; R. Termine; G. Barberio; D. Pucci; M. Ghedini; A. Golemme (literal)
Pagina inizio
  • 103 (literal)
Pagina fine
  • 1034 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 84 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Google Scholar (literal)
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Laboratory for the Synthesis, Characterisation and Applications of Molecular Materials (LASCAMM)-- Unita` INSTM della Calabria, Dipartimento di Chimica, Universita` della Calabria, 87030 Rende, Italy (literal)
Titolo
  • Measurement of the photorefractive space-charge field in a ferroelectric mesogen (literal)
Abstract
  • We report on the measurement of the photorefractive space-charge field in a chiral smectic C mesophase. The liquid crystal is intrinsically photoconducting and undoped. The space-charge field amplitude, obtained from a model connecting the induced refractive index modulation with the electric fields within the medium, is only 1% of the applied field. Nonetheless, high refractive index modulations Dn;1023 can be obtained because of the high spontaneous birefringence of the mesophase. The use of the standard models for inorganic crystalline photorefractive materials would have given a space-charge field amplitude two orders of magnitude higher. (literal)
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