Pressure-induced phase transition in tetracene crystals
β Scribed by J. Kalinowski; J. Godlewski; R. Jankowiak
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 309 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The magnetic field dcpcndcncc of the fluorescence of tctraccnc single crystals has been measured at hi& pressures of up to a 5 kbar. A discontinuous change in the spatial anisotropy of this magnetic field effect occurs ne;Lr 3 kbar signifying the occurrcncc of a phase transition.
π SIMILAR VOLUMES
Raman spectra of C60 single crystals, in the pentagon pinch mode frequency region, have been measured as a function of hydrostatic pressure up to 7.2 GPa at room temperature. The softening of the Ag(2) and Hg(8) modes in the pressure region up to 0.4 GPa indicate the orientational ordering phase tra
The effects of pressure on the frequencies and band structures of the Raman active inter-and intramolecular vibrations of 1,2,4,5-tetrafluorobenzene crystal were studied under hydrostatic pressures from 1 atm to 4 GPa at 300 K in a gasketed diamond anvil cell. Changes of the Raman frequencies and ba