Low-frequency Raman spectra of sintered Si3N4under gas pressure
β Scribed by A. Takase; E. Tani
- Publisher
- Springer
- Year
- 1987
- Tongue
- English
- Weight
- 158 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0261-8028
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The low-frequency Raman spectra as a function of hydrostatic pressure for 4,4'difluorobenzophenone and 4,4'-dibromobenzophenone are presented. The change observed in some of the Raman bands suggests that the pressure induces changes in the crystal structure.
## Abstract New techniques in laser Raman spectroscopy are used to obtain spectra of aqueous solutions of lysozylme for frequency shifts as small as 5 cm^β1^. In addition, Raman measurements are made on two crystalline forms of hen egg white lysozyme. The spectra obtained from the solution and from