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A new stable organic metal: -(BETS)C(CN). The first -type radical cation salt with a planar-triangular discrete organic anion

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The -(BETS)2C(CN)3 radical cation salt was prepared by electrocrystallization, and its crystal structure was determined by single crystal X-ray diffraction. The electronic structure of -(BETS)2C(CN)3 was studied by means of the extended Hückel tight binding method. The electrical conductivity of this salt as a function of temperature shows a metallic behaviour down to 1.3 K. Shubnikov-de Haas oscillations reveal both the classical and magnetic breakdown orbits on the Fermi surface typical of the -type organic conductors. In addition, a low frequency oscillation (250 T) which is not predicted by the band structure calculations has been found in the oscillation spectrum.

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Received: 11 March 1998 / Revised: 9 June 1998 / Accepted: 11 June 1998

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Narymbetov, B., Kushch, N., Zorina, L. et al. A new stable organic metal: -(BETS)C(CN). The first -type radical cation salt with a planar-triangular discrete organic anion. Eur. Phys. J. B 5, 179–185 (1998). https://doi.org/10.1007/s100510050432

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  • DOI: https://doi.org/10.1007/s100510050432

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