Shift of the optical absorption edge in C60 clathrate single crystals |
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| Authors: | K. Kamarás A. Breitschwerdt S. Pekker K. Fodor-Csorba G. Faigel M. Tegze |
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| Affiliation: | (1) Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, W-7000 Stuttgart 80, Germany;(2) Research Institute for Solid State Physics, Hungarian Academy of Sciences, P.O. Box 49, H-1525 Budapest, Hungary |
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| Abstract: | We measured the transmission between 1.6–2.2 eV of pure C60 and three clathrate single crystals containing different aliphatic guest molecules. The absorption edge in the clathrates shows a blue shift of 0.1 eV irrespective of the guest molecule, indicating that C60 is electronically isolated in these compounds. |
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| Keywords: | 78.20.Dj |
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