Temperature Dependence of the Near-Infrared Optical Properties of Tetrathiofulvalinium Tetracyanoquinodimethane (TTF-TCNQ)
- 19 November 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 31 (21), 1311-1314
- https://doi.org/10.1103/physrevlett.31.1311
Abstract
We report the near-normal-incidence reflectivity spectrum of single-crystal TTF-TCNQ in the range 0.2-2.0 μm. A Drude-like edge, persisting through the metal-insulator transition at 60°K, is observed near 1.3 μm for light polarized parallel to the conducting axis. The temperature dependence of the optical parameters , , and are discussed in conjunction with Hopfield's relation for the electron-phonon coupling constant.
Keywords
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