Molecular conductors from bis(ethylenedithio)tetrathiafulvalene with tris(oxalato)rhodate
- Martin, L
- Morritt, AL
- Lopez, JR
- Nakazawa, Y
- Akutsu, H
- Imajo, S
- Ihara, Y
- Zhang, B
- Zhang, Y
- Guo, Y
Publication date
July 2017
DOI Publisher
Royal Society of Chemistry (RSC) ISSN
1477-9226Abstract
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
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