Spontaneous Raman scattering from shocked water

Details Spontaneous Raman scattering from shocked water Spontaneous Raman scattering from shocked water

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrvl..55.2433h&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 55, Nov. 25, 1985, p. 2433-2436.

Physics

47

Hydrogen Bonds, Molecular Spectra, Raman Spectra, Shock Tests, Water, Density (Mass/Volume), Electrical Resistivity, Hydroxyl Radicals, Intermolecular Forces, Laser Spectroscopy

Scientific paper

The OH-stretch Raman band of liquid water has been observed for the first time at high pressures and temperatures. A new single-pulse spontaneous Raman technique was used to obtain spectra from H2O shocked up to 26 GPa and 1700 K. Band-shape changes over the range 7.5-26 GPa are fitted well by a two-component mixture model. Intermolecular hydrogen bonding, dominant at 12 GPa, is nearly absent at 26 GPa. The spectra indicate that transport of H(+) and OH(-) ions is most probably the mechanism for the electrical conductivity of shocked water.

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