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Authors: Gärtner, Stephan
Gogu, Emil
Heinen, Ilsabe
Keller, Heimo J.
Klutz, Thomas
Schweitzer, Dieter
Title: Superconductivity at 10 K and ambient pressure in the organic metal (BEDT-TTF)2Cu(SCN)2
Issue Date: 1988 Zeitschriftenartikel Solid state communications 65 (1988), S. 1531-1534. URL
Abstract: We confirm the observation of superconductivity at ambient pressure above 10 K in the organic metal (BEDT-TTF)2Cu(SCN)2 as reported recently by Urayama et al [12]. In addition we have measured ESR, ac-susceptibility and thermopower in crystals of (BEDT-TTF)2Cu(SCN)2 and have shown that in contrast to other organic superconductors here a relatively sharp superconducting transition even in the ac-susceptibility can be observed which saturates already around 8 K. The thermopower measurements indicate a clear metal-metal phase transition at 100 K and a possible second phase transition at around 50 K, while from the temperature dependence of the resistivity and susceptibility (ESR) these phase transitions cannot be observed.
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