Abstract
A revised picture of the infrared and far infrared properties of single crystal TTF-TCNQ at 300K and ∼100K is given. The far infrared mobility gap in the crystallographic b-direction is not as pronounced as reported in earlier work, but deviations from simple Drude behaviour are apparent. At 300K a maximum in the frequency dependent conductivity is found near 700 cm−1 with indentations on both sides. At 100K the maximum is shifted to 400 cm−1. The overall halfwidth is about 1800 cm−l at 300K and 900 cm−1 at 100K. The reflectivity in the transverse a-direction shows strong molecular lines with normal shape both in the intermediate and far infrared.
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Jacobsen, C.S. (1979). IR reflectance of TTF-TCNQ in the conducting phase. In: Bariŝić, S., Bjeliŝ, A., Cooper, J.R., Leontić, B.A. (eds) Quasi One-Dimensional Conductors I. Lecture Notes in Physics, vol 95/1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0052798
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DOI: https://doi.org/10.1007/BFb0052798
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