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Authors: Rothaemel, Bernd
Forró, Laszlo
Cooper, John R.
Schilling, James S.
Weger, Meir
Bele, Petra
Brunner, Hermann
Schweitzer, Dieter
Keller, Heimo J.
Title: Magnetic susceptibility of α and β phases of di[bis(ethylenediothiolo)tetrathiafulvalene] tri-iodide [(BEDT-TTF)2I3] under pressure
Issue Date: 1986 Zeitschriftenartikel Physical review, B 34 (1986), S. 704-712. URL
Abstract: We report static magnetic susceptibility data, χ(T), for the α and β phases of the organic conductor di[bis(ethylenediothiolo)tetrathiafulvalene] tri-iodide [(BEDT-TTF)2I3] both at ambient pressure and under applied pressures of up to 10 kbar. Ambient pressure ESR data for both phases below 300 K are also presented. The temperature dependence of the spin susceptibility χsβ(T) for the superconductor β-(BEDT-TTF)2I3 is unusually small for organic conductors; the pressure derivative ∂lnχsβ/∂P is found to be only moderate in magnitude (-3.3% per kbar) and independent of temperature below 300 K. For the αq phase, ∂lnχsα/∂P≃-2.0%/Kbar at ambient temperature.
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