Dielectric spectra of manganese thiophosphate intercalated with sodium ions (Articolo in rivista)

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Label
  • Dielectric spectra of manganese thiophosphate intercalated with sodium ions (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3148271 (literal)
Alternative label
  • Letteria Silipigni; Lilla Schirò; Teresa Quattrone; Vincenzo Grasso; Gabriele Salvato; Luigi Monsù Scolaro; Giovanna De Luca (2009)
    Dielectric spectra of manganese thiophosphate intercalated with sodium ions
    in Journal of applied physics (online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Letteria Silipigni; Lilla Schirò; Teresa Quattrone; Vincenzo Grasso; Gabriele Salvato; Luigi Monsù Scolaro; Giovanna De Luca (literal)
Pagina inizio
  • 123703 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1063/1.3148271 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 105 (literal)
Rivista
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  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-4. Univ Messina, Dipartimento Fis Mat & Ingn Elettron, I-98166 Messina, Italy - Ctr Siciliano Ric Atmosfer & Fis Ambiente, I-98166 Messina, Italy 5. Ist Proc Chimicofis CNR, I-98158 Messina, Italy 6,7. Univ Messina, Dipartimento Chim Inorgan Chim Analit & Chim Fis, I-98166 Messina, Italy (literal)
Titolo
  • Dielectric spectra of manganese thiophosphate intercalated with sodium ions (literal)
Abstract
  • Sodium intercalated manganese thiophosphate Na(0.62)Mn(0.69)PS(3) powders have been synthesized by a two-step ion-exchange process. Dielectric measurements have been performed as a function of both temperature and frequency on the prepared samples in the 20-10(6) Hz frequency range over the 78-350 K temperature range by using the autobalancing bridge method. The temperature dependence of the dielectric constant imaginary part reveals the presence of a loss peak at the low temperatures together with a strong dispersion at the low frequencies and at the highest investigated temperatures. While the loss peak presence is characteristic for dipolar polarization processes, the strong low frequency dispersion at not very high temperatures, observed also in the dielectric constant real part, is typical for system with hopping charge carriers. A hypothesis about the nature of such carriers has been formulated on the basis of both the ion-exchange intercalation process and the comparison with the dielectric spectra previously observed for cesium intercalated manganese thiophosphate Na(0.46)Mn(0.77)PS(3) compounds. (literal)
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