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Pressure-induced resonance raman effect in shocked carbon disulfide

โœ Scribed by C.S. Yoo; Y.M. Gupta; P.D. Horn

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
529 KB
Volume
159
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Time-resolved Raman spectroscopy to study shock-induced processes in condensed materials has been developed and used to examine solid carbon disulfide subjected to stepwise shock wave loading to a peak pressure of 8 GPa. Pressure shifts of the symmetric stretching mode, v,, and the first overtone of the bending mode, 215, have been measured, and the separation between the two bands is observed to decrease with pressure. These results are in agreement with the static high-pressure measurements.

Enhancement of the Raman cross section of carbon disulfide is observed at pressures higher than 7 GPa and can be understood in terms ofa pressure-induced resonance Raman effect.

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