Temperature dependence of the reflectance spectrum of the single crystal of tetrathiafulvalene-chloranil |
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| Authors: | Koichi Kikuchi Kyuya Yakushi Haruo Kuroda |
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| Affiliation: | Department of Chemistry, Faculty of Science, The University of Tokyo, Hongo, Tokyo 113, Japan |
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| Abstract: | Near-infrared and visible reflectance spectrum was measured on the tetrathiafulvalene-chloranil (TTF-CA) crystal at temperatures in the range of 40–290 K. An abrupt change of reflectivity was found at about 80 K, and new dispersions associated with the intramolecular transitions of TTF+ and CA? gradually grew up on lowering temperature below 80 K, indicating the increase of the ionized fraction. |
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