Low-temperature specific heats of agi-Ag2O-B2O3 glasses (Articolo in rivista)

Type
Label
  • Low-temperature specific heats of agi-Ag2O-B2O3 glasses (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1080/13642810208221312 (literal)
Alternative label
  • D'Angelo G., Carini G., Tripodo G., Bartolotta A., Di Marco G., Salvato G. (2002)
    Low-temperature specific heats of agi-Ag2O-B2O3 glasses
    in Philosophical magazine. B. Physics of condensed matter. Electronic, optical and magnetic properties
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • D'Angelo G., Carini G., Tripodo G., Bartolotta A., Di Marco G., Salvato G. (literal)
Pagina inizio
  • 331 (literal)
Pagina fine
  • 338 (literal)
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  • 82 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Messina, Dipartimento Fis, I-98166 Messina, Italy Univ Messina, Ist Nazl Fis Mat, I-98166 Messina, Italy (literal)
Titolo
  • Low-temperature specific heats of agi-Ag2O-B2O3 glasses (literal)
Abstract
  • Measurements of low-temperature specific heat (1.5-25 K) in glasses of the AgI-Ag2O-B2O3 system reveal that the AgI addition to the borate network enhances the deviations of C-p from a T-3 behaviour. An explanation for this is given by considering AgI as responsible for the decreasing coherence of a network where the borate host matrix preserves its local structure. The temperature dependences of C-p in the whole explored range are in qualitative agreement with the predictions of the soft-potential model: the specific heat appears to be regulated from extra vibrational states having a nearly fourth-order frequency dependence which tends to become linear with increasing frequency. (literal)
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