Abstract
Measurements of the sound velocity c in water, heavy water, and water–ethanol mixtures have been carried out in a temperature range extending from room temperature to the supercooled region above -20 °C, by Brillouin light scattering technique. Pure H2O and D2O show a strong anomalous behavior which can be described by critical laws. The addition of ethanol to water decreases the importance of the anomalies, and the sound velocity c(T) is no longer described by critical laws. For some concentrations, a minimum in the curve c(T) is observed at low temperatures. The adiabatic compressibility is evaluated for all the samples and discussed for different theoretical models. Arguments are given in favor of a percolation model of supercooled water.
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (Feb. 28, 2003, 11:17 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 6:46 p.m.) |
Indexed | 2 weeks, 1 day ago (Aug. 6, 2025, 9:14 a.m.) |
Issued | 43 years, 4 months ago (April 1, 1982) |
Published | 43 years, 4 months ago (April 1, 1982) |
Published Print | 43 years, 4 months ago (April 1, 1982) |
@article{Conde_1982, title={Analysis of sound velocity in supercoled H2O, D2O, and water–ethanol mixtures}, volume={76}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.443413}, DOI={10.1063/1.443413}, number={7}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Conde, O. and Teixeira, J. and Papon, P.}, year={1982}, month=apr, pages={3747–3753} }