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Authors: Schwenk, Helmut
Gross, Frieder
Heidmann, Claus Peter
Andres, Klaus
Schweitzer, Dieter
Keller, Heimo J.
Title: α- and β-(BEDT-TTF)2I3 - two modifications with contrasting groundstate properties: insulator and volume superconductor
Issue Date: 1985 Zeitschriftenartikel Molecular crystals and liquid crystals 119 (1985), S. 329-335. URL
Abstract: The α-modification of (BEDT-TTF)2I3 undergoes a metal-to-insulator transition at T = 135 K. Application of hydrostatic pressure shifts the transition temperature to lower values. Above 12 kbar semimetallic behavior is observed, but no superconductivity is detected up to a pressure of 17 kbar and temperatures down to l00 mK. The β-modifcation, on the other hand, exhibits ambient pressure volume superconductivity below Tc = 1.05 K. Measurements of the anisotropy of the diamagnetic shielding- as well as the Meissner-magnetization are presented.
Appears in Collections:15 Fakultätsübergreifend / Sonstige Einrichtung

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