The solid state transition in pyrene
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R. Zallen; C.H. Griffiths; M.L. Slade; M. Hayek; O. Brafman
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Article
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1976
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Elsevier Science
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English
β 417 KB
## Raman -scattering experiments on crystalline pyrene have been used to determine lattice frequencies as a functio? of pressure up to 10 kbar and of temperature down to 10 K. The solid state transition from the normal dimer-structure form (pyrene I) to the unknown hi&-density form (pyrene IL) is