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

journal contribution
posted on 2023-06-08, 08:13 authored by F Fernandez-Alonso, S E McLain, J W Taylor, FJ Bermejo, I Bustinduy, M D Ruiz-Martin, John TurnerJohn Turner
The 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.

History

Publication status

  • Published

Journal

Journal of Chemical Physics

ISSN

0021-9606

Publisher

AIP

Issue

23

Volume

126

Department affiliated with

  • Chemistry Publications

Notes

Article Number: 234509

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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