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Molecular conductors from bis(ethylenedithio)tetrathiafulvalene with tris(oxalato)rhodate

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Abstract

This article reports a family of new radical-cation salts of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) with tris(oxalato)rhodate: three salts with the formula β′′-(BEDT-TTF)4[(cation)Rh(C2O4)3]·solvent (solvent = fluorobenzene, chlorobenzene, or bromobenzene) and one with the formula pseudo-κ-(BEDT-TTF)4[(NH4)Rh(C2O4)3]·benzonitrile. We report here the syntheses, crystal structures, electrical properties and Raman spectroscopy of these new molecular conductors. The bromobenzene salt shows a decrease in resistivity below 2.5 K indicative of a superconducting transition and a Shubnikov–de Haas oscillation with a frequency of 232 T and effective mass m* of 1.27me.

Graphical abstract: Molecular conductors from bis(ethylenedithio)tetrathiafulvalene with tris(oxalato)rhodate

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Publication details

The article was received on 10 Mar 2017, accepted on 02 Jul 2017 and first published on 12 Jul 2017


Article type: Paper
DOI: 10.1039/C7DT00881C
Citation: Dalton Trans., 2017, Advance Article
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    Molecular conductors from bis(ethylenedithio)tetrathiafulvalene with tris(oxalato)rhodate

    L. Martin, A. L. Morritt, J. R. Lopez, Y. Nakazawa, H. Akutsu, S. Imajo, Y. Ihara, B. Zhang, Y. Zhang and Y. Guo, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT00881C

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