1974Physical Review LettersRequires access

Temperature Dependence of Conductivity of Tetrathiafulvalene-Tetracyanoquinodimethane (TTF-TCNQ) Single Crystals

R. P. Groff, A. Suna, R. E. Merrifield

Open publisher page 104 citations

Abstract

The conductivity of single crystals of tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) was measured over the temperature range 40-300 K. The maximum low-temperature conductivity parallel to the $b$ axis ranged from 12-35 times the corresponding room-temperature value. The temperature dependence of the intrinsic conductivity (after residual resistivities were excluded) was the same for all crystals measured and was fitted by a ${T}^{\ensuremath{-}2.33\ifmmode\pm\else\textpm\fi{}0.14}$ dependence for $60<~T<~300$ K.

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What this paper is about

The conductivity of single crystals of tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) was measured over the temperature range 40-300 K. The maximum low-temperature conductivity parallel to the $b$ axis ranged from 12-35 times the corresponding room-temperature value. The temperature dependence of the intrinsic conductivity (after residual resistivities were excluded) was the same for all crystals measured and was fitted by a ${T}^{\ensuremath{-}2.33\ifmmode\pm\else\textpm\fi{}0.14}$ dependence for $60<~T<~300$ K.

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Available abstract

The conductivity of single crystals of tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) was measured over the temperature range 40-300 K. The maximum low-temperature conductivity parallel to the $b$ axis ranged from 12-35 times the corresponding room-temperature value. The temperature dependence of the intrinsic conductivity (after residual resistivities were excluded) was the same for all crystals measured and was fitted by a ${T}^{\ensuremath{-}2.33\ifmmode\pm\else\textpm\fi{}0.14}$ dependence for $60<~T<~300$ K.

Key concepts: Tetrathiafulvalene, Tetracyanoquinodimethane, Materials science, Conductivity, Atmospheric temperature range, Electrical resistivity and conductivity, Condensed matter physics, Analytical Chemistry (journal)

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