Einstein and Debye models for EXAFS parallel and perpendicular mean-square relative displacements (Articolo in rivista)

Type
Label
  • Einstein and Debye models for EXAFS parallel and perpendicular mean-square relative displacements (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Vaccari, M; Fornasini, P (2006)
    Einstein and Debye models for EXAFS parallel and perpendicular mean-square relative displacements
    in Journal of synchrotron radiation
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Vaccari, M; Fornasini, P (literal)
Pagina inizio
  • 321 (literal)
Pagina fine
  • 325 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 13 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Trent, Ist Nazl Fis Mat, I-38050 Trento, Italy; Univ Trent, Dipartimento Fis, I-38050 Trento, Italy (literal)
Titolo
  • Einstein and Debye models for EXAFS parallel and perpendicular mean-square relative displacements (literal)
Abstract
  • The correlated Einstein and Debye models for EXAFS parallel mean-square relative displacement (MSRD) are derived from the general expression in terms of eigenfrequencies and eigenvectors of the dynamical matrix, without ad hoc assumptions. The two models are generalized to parameterize also the EXAFS perpendicular MSRD. The physical meaning of Einstein frequencies, as well as the application of the Debye model to crystals with more than one atom per cell, are critically discussed. (literal)
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