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Origin of the complex dielectric relaxation spectra of molecular glass formers

AuthorsBermejo, Francisco Javier CSIC ORCID; Howells, W. S.; Jiménez-Ruiz, M. CSIC; González, M. A.; Price, D. L.; Saboungi, M. L.; Cabrillo García, Carlos CSIC ORCID
Issue Date3-May-2004
PublisherAmerican Physical Society
CitationPhysical Review B 69: 174201-1-174201-7 (2004)
AbstractThe origin of the three broad bands appearing in the dielectric spectra of molecular glass formers is tracked down to microscopic scales by means of neutron-scattering and molecular-dynamics simulations. Three distinct regimes are also seen in the neutron quasielastic spectrum and are shown to arise from well-separated time regions appearing in the single-particle dipole autocorrelation function derived from simulations. ©2004 American Physical Society
Description7 págs.; 9 figs. ; PACS number (s): 67.20.1k, 61.12.2q, 61.20.Ja
Publisher version (URL)https://doi.org/10.1103/PhysRevB.69.174201
Identifiersdoi: 10.1103/PhysRevB.69.174201
issn: 0163-1829
Appears in Collections:(CFMAC-IEM) Artículos
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