The properties of five highly conducting salts: (TMTSF)2X, X = PF6-, AsF6-, SbF6-, BF4- and NO3-, derived from tetramethyltetraselenafulvalene (TMTSF) |
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Authors: | K Bechgaard CS Jacobsen K Mortensen HJ Pedersen N Thorup |
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Institution: | Department of General and Organic Chemistry, University of Copenhagen, The H.C. Ørsted Institute, Universitetsparken 5, DK-2100 Copenhagen, Denmark;Physics Laboratory III, The Technical University of Denmark, DK-2800 Lyngby, Denmark;Chemistry Department B, The Technical University of Denmark, DK-2800 Lyngby, Denmark |
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Abstract: | The properties of five new highly conducting salts of TMTSF, (TMTSF)2X, X = PF6-, AsF6-, SbF6-, BF4- and NO3- are reported. The measurements include d.c. and m.w. conductivity, thermopower, optical reflectivity, magnetic susceptibility and 19F-NMR. Preliminary structural data indicate uniform donor stacks. Metal to insulator transitions in four materials occur below 20 K, where specific conductivities higher than 105 (Ω-cm)?1 are observed for two salts (X = PF6- and NO3-). |
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