Collective high frequency motions in liquid deuterium fluoride

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dc.contributor.authorDemmel, Fen_AU
dc.contributor.authorHeusel, Gen_AU
dc.contributor.authorWaldner, Ien_AU
dc.contributor.authorStride, JAen_AU
dc.contributor.authorBertagnolli, Hen_AU
dc.date.accessioned2009-06-16T06:34:55Zen_AU
dc.date.accessioned2010-04-30T05:07:17Zen_AU
dc.date.available2009-06-16T06:34:55Zen_AU
dc.date.available2010-04-30T05:07:17Zen_AU
dc.date.issued2008-10en_AU
dc.date.statistics2008-10en_AU
dc.description.abstractThe collective motions in liquid deuterium fluoride (DF) have been investigated by neutron scattering motivated by a MD simulation, which predicted an optic-type mode at small momentum transfers. Spectra of the measured longitudinal current correlation function show two modes. The lower frequency one originates from acoustic-type movements. The intensity of the higher frequency excitation can be attributed to an out of phase motion of neighboring DF molecules, an optic-type mode. Both, the frequencies and the intensity distribution in momentum space agree well with the MD simulation. The widths of the experimental spectra exceed the widths from the MD simulation and indicate missing relaxation processes in the simulation. © 2008, Oldenbourg Verlagen_AU
dc.identifier.citationDemmel, F., Heusel, G., Waldner, I., Stride, J., & Bertagnolli, H. (2008). Collective high frequency motions in liquid deuterium fluoride. Zeitschrift Fur Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physics, 222(10), 1551-1558. doi:10.1524/zpch.2008.5414en_AU
dc.identifier.govdoc1466en_AU
dc.identifier.issn0942-9352en_AU
dc.identifier.issue10en_AU
dc.identifier.journaltitleZeitschrift Fur Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physicsen_AU
dc.identifier.pagination1551-1558en_AU
dc.identifier.urihttp://dx.doi.org/10.1524/zpch.2008.5414en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1383en_AU
dc.identifier.volume222en_AU
dc.language.isoenen_AU
dc.publisherOldenbourg Verlagen_AU
dc.subjectFrequency modulationen_AU
dc.subjectBondingen_AU
dc.subjectNeutron spectroscopyen_AU
dc.subjectDeuteriumen_AU
dc.subjectFluoridesen_AU
dc.subjectSimulationen_AU
dc.titleCollective high frequency motions in liquid deuterium fluorideen_AU
dc.typeJournal Articleen_AU
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