LOCAL-STRUCTURE AND DYNAMICS IN AGI STUDIED BY EXAFS AND MOLECULAR-DYNAMICS (Articolo in rivista)

Type
Label
  • LOCAL-STRUCTURE AND DYNAMICS IN AGI STUDIED BY EXAFS AND MOLECULAR-DYNAMICS (Articolo in rivista) (literal)
Anno
  • 1994-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/0167-2738(94)90444-8 (literal)
Alternative label
  • DALBA, G; FORNASINI, P; GOTTER, R; COZZINI, S; RONCHETTI, M; ROCCA, F (1994)
    LOCAL-STRUCTURE AND DYNAMICS IN AGI STUDIED BY EXAFS AND MOLECULAR-DYNAMICS
    in Solid state ionics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • DALBA, G; FORNASINI, P; GOTTER, R; COZZINI, S; RONCHETTI, M; ROCCA, F (literal)
Pagina inizio
  • 13 (literal)
Pagina fine
  • 19 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 69 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); IST TRENTINO CULTURA (literal)
Titolo
  • LOCAL-STRUCTURE AND DYNAMICS IN AGI STUDIED BY EXAFS AND MOLECULAR-DYNAMICS (literal)
Abstract
  • EXAFS of AgI from 20 to 450 K has been analyzed by the cumulant method. The distribution of Ag-I distances agrees with the excluded-volume model of Boyce and Hayes. It is however suggested that in beta phase the distribution can be accounted for by an anharmonic effective pair potential with temperature-independent shape. EXAFS reveals a high degree of correlation of vibrational motion of silver and iodine, both in beta and a phases. I-Ag and I-I distributions obtained from EXAFS in beta phase are compared with molecular dynamics (MD) calculations; the observed discrepancies suggest that EXAFS could be utilized to check the MD interatomic potentials. (literal)
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