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Elastic Moduli of H2O: Liquid, Ice VI and Ice VII*

Published online by Cambridge University Press:  21 February 2011

M. Grimsditch ,
A. Rahman  and
A. Poliant
M. Grimsditch
Affiliation:
Materials Science and Technology Division, Argonne National laboratory, Argonne, Illinois 60439;
A. Rahman
Affiliation:
Materials Science and Technology Division, Argonne National laboratory, Argonne, Illinois 60439;
A. Poliant
Affiliation:
Laboratoire de Physique des Milieux trés Condenses Université Piere et Marie Curie, Paris, F-75230
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Abstract

The results of a Brillouin scattering study of the room temperature phases of H2;O (liquid, ice VI and ice VII) up to 30 GPa are presented. Longitudinal elastic moduli thus obtained are compared with values of the bulk modulus obtained from density measurements [1] and with both static and molecular dynamics calculations of the bulk modulus using potentials which have been proposed in studies of the liquid state. The calculations indicate that the potentials are not capable of describing the high pressure region of ice VII.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 22: Symposium NY – High Pressure in Science and Technology , 1983 , 143
Copyright
Copyright © Materials Research Society 1984

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Footnotes

*

Work supported by the U.S. Department of Energy.

References

REFERENCES

1. Munro, R. G., Block, S., Mauer, F. A. and Piermarini, G., J. Appl. Phys. 53, 6174 (1982).CrossRefGoogle Scholar
2. Stillinger, F. H. and Rahman, A., J. Chem. Phys. 68, 666 (1978).Google Scholar
3. Parrinello, M. and Rahman, A., J. Appl. Phys. 52, 7182 (1981).CrossRefGoogle Scholar
4. Rahman, A. and Stillinger, F., J. Chem. Phys. 57, 4009 (1972).Google Scholar