Absorption spectra of fullerite C70 at pressures up to 10 GPa

The absorption spectra of thin polycrystalline C70 specimens have been measured in the energy range 1–3 eV at T = 300 K and pressures up to 10 GPa. The pressure dependence of the fundamental absorption edge position has been defined. A mean rate of the pressure shift is found to be −(0.1 ± 0.005) eV...

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Bibliographic Details
Published in:Solid state communications 1993, Vol.87 (7), p.639-641
Main Authors: Meletov, K.P., Dolganov, V.K., Ossipyan, Yu.A.
Format: Article
Language:English
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Summary:The absorption spectra of thin polycrystalline C70 specimens have been measured in the energy range 1–3 eV at T = 300 K and pressures up to 10 GPa. The pressure dependence of the fundamental absorption edge position has been defined. A mean rate of the pressure shift is found to be −(0.1 ± 0.005) eV GPa in the starting range and −(0.029 ± 0.005) eV GPa −1 at 10 GPa.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(93)90129-B