Abstract
Low frequency translational spectra of 15 M NaOD heavy water solutions are analyzed in both liquid and amorphous phases. Confirming the results of previous findings in KOH water solutions, the analysis suggests that the spectra reflect in both phases the translational density of the states of the system. In agreement with inelastic neutron scattering experiments, these can be thought of as propagating quasi-phonon excitations. A polarization analysis of the spectra based on the results of a model recently developed for orientationally disordered crystals, allows a separation between acoustic-like and optic-like modes and clearly shows the presence of a low frequency relaxation process. The presence of this feature is also related to radiation coupling coefficients of the acoustic-like modes.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
