Structural studies of high pressure phases of C60
β Scribed by V.D Blank; B.A Kulnitskiy; Ye.V Tatyanin
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 277 KB
- Volume
- 204
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
Packing models of three polymeric phases of C 60 obtained through pressure-temperature treatments have been reconsidered through a lattice energy minimization method using atom-atom potentials. Orthorhombic phase O, previously assigned Immm symmetry, is best described by space group Pmnn. Whereas th
## Abstract Highβpressure Raman spectra of fullerite, a solid form of C~60~, were measured at pressures up to 4 GPa and room temperature. A change of slope (d__v__/d__P__) of the frequencyβpressure plots for the __A__~g~ pentagonal pinch mode and the __A__~g~ breathing mode was observed at 1.3 GPa,
## Raman spectroscopy, X-ray and electron diffractions have been applied to study samples of fullerene C,, after they have undergone pressure and temperature treatments up to 8 GPa and 1073 K. It is confirmed that mixtures of rhombohedral and tetragonal structures are formed in the 2-4 GPa and 673