Density of vibrational states of a hyperquenched glass (Articolo in rivista)

Type
Label
  • Density of vibrational states of a hyperquenched glass (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Monaco, A; Chumakov, AI; Yue, YZ; Monaco, G; Comez, L; Fioretto, D; Crichton, WA; Ruffer, R (2006)
    Density of vibrational states of a hyperquenched glass
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Monaco, A; Chumakov, AI; Yue, YZ; Monaco, G; Comez, L; Fioretto, D; Crichton, WA; Ruffer, R (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 96 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • European Synchrotron Radiat Facil, F-38043 Grenoble, France; Univ Aalborg, Sect Chem, DK-9000 Aalborg, Denmark; Univ Roma La Sapienza, INFM, CRS, SOFT, I-00185 Rome, Italy; Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy (literal)
Titolo
  • Density of vibrational states of a hyperquenched glass (literal)
Abstract
  • The vibrational density of states of a hyperquenched and an annealed glass has been measured using nuclear inelastic scattering. The hyperquenched sample shows a higher number of vibrational states in the low-energy region with respect to the annealed glass. It reveals, however, lower density and sound velocity and, therefore, smaller Debye energy. After rescaling the energy axes in Debye energy units and area renormalization, the density of states of both samples becomes identical. Thus, the effect of quenching is described by the transformation of the continuous medium. (literal)
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