Brillouin scattering on H/sub 2/O above 70 GPa: transition to symmetric ice (ice X)
Conference
·
OSTI ID:5221624
H/sub 2/O and D/sub 2/O have been studied by Brillouin scattering under high pressure. Up to 35 GPa, the effective longitudinal elastic constants exhibit similar behavior in contrast with the behavior of the bulk modulus. H/sub 2/O was studied up to 74 GPa. A phase transition occurs around 46 GPa. This high pressure phase, ice X, is probably the hydrogen-symmetric centered cubic phase.
- Research Organization:
- Argonne National Lab., IL (USA); Paris-6 Univ., 75 (France). Lab. de Physique des Milieux tres Condenses
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5221624
- Report Number(s):
- CONF-840140-2; ON: DE84009162
- Country of Publication:
- United States
- Language:
- English
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