Phys. Rev. E 48, 2300 (1993) - Neutron scattering from polycrystalline ice (Ih): Some keys to understanding the collective behavior of liquid water

Neutron scattering from polycrystalline ice (Ih): Some keys to understanding the collective behavior of liquid water

F. J. Bermejo, E. Frikkee, M. García-Hernández, J. L. Martínez, and A. Criado

Phys. Rev. E 48, 2300 – Published 1 September 1993

Abstract

The phonon dispersion in the second Brillouin zone of polycrystalline ice (Ih) has been measured. The results confirm the predictions of a previous lattice-dynamics calculation [A. Criado, F.J. Bermejo, M. García-Hernández, and J.L. Martínez, Phys. Rev. E 47, 3516 (1993)] where anomalously steep dispersion curves of an apparent acoustic origin were found. The relevance of the present findings for explaining some apparently anomalous features concerning the collective dynamics of liquid water is finally discussed.

Received 4 March 1993

DOI:https://doi.org/10.1103/PhysRevE.48.2300

©1993 American Physical Society

Authors & Affiliations

Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas, Serrano 123, E-28006 Madrid, Spain

Energieonderzoek Centrum Nederland, P.O. Box 1, 1755 ZG Petten, The Netherlands

M. García-Hernández

Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas, Serrano 123, E-28006 Madrid, Spain

J. L. Martínez

Instituto de Ciencia de Materiales, Sede B, Facultad de Ciencias, C-IV, Universidad Autónoma de Madrid, Cantoblanco, E-28049, Spain

Instituto de Ciencia de Materiales y Departamento de Fisica de la Materia Condensada, Universidad de Sevilla, P.O. Box 1065, E-41080, Spain

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Vol. 48, Iss. 3 — September 1993

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