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Title

Correlated atomic motions in liquid deuterium fluoride studied by coherent quasielastic neutron scattering

AuthorsFernandez-Alonso, F.; McLain, S. E.; Taylor, J. W.; Bermejo, Francisco Javier ; Bustinduy, Ibón ; Ruiz-Martí­n, M. D.; Turner, J. F. C.
Issue Date19-Jun-2007
PublisherAmerican Institute of Physics
CitationJournal of Chemical Physics 126: 234509 (2007)
AbstractThe collective dynamics of liquid deuterium fluoride are studied by means of high-resolution quasielastic and inelastic neutron scattering over a range of four decades in energy transfer. The spectra show a low-energy coherent quasielastic component which arises from correlated stochastic motions as well as a broad inelastic feature originating from overdamped density oscillations. While these results are at variance with previous works which report on the presence of propagating collective modes, they are fully consistent with neutron diffraction, nuclear magnetic resonance, and infrared/Raman experiments on this prototypical hydrogen-bonded fluid. © 2007 American Institute of Physics.
Description8 pags., 7 figs.,
Publisher version (URL)http://dx.doi.org/10.1063/1.2743021
URIhttp://hdl.handle.net/10261/216180
DOIhttp://dx.doi.org/10.1063/1.2743021
Identifiersdoi: 10.1063/1.2743021
issn: 0021-9606
Appears in Collections:(CFMAC-IEM) Artículos
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