Please use this identifier to cite or link to this item: http://dx.doi.org/10.18419/opus-5022
Authors: Schweitzer, Dieter
Bele, Petra
Brunner, Hermann
Gogu, Emil
Haeberlen, Ulrich
Hennig, Ingolf
Klutz, Thomas
Swietlik, Roman
Keller, Heimo J.
Title: A stable superconducting state at 8K and ambient pressure in αt-(BEDT-TTF)2I3
Issue Date: 1987
metadata.ubs.publikation.typ: Zeitschriftenartikel
metadata.ubs.publikation.source: Zeitschrift für Physik, B 67 (1987), S. 489-495. URL http://dx.doi.org./10.1007/BF01304118
URI: http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-64809
http://elib.uni-stuttgart.de/handle/11682/5039
http://dx.doi.org/10.18419/opus-5022
Abstract: We report bulk superconductivity at 8 K and ambient pressure in crystals of α t (BEDT-TTF)2I3. In contrast to the earlier observed metastable superconducting state at 8 K in crystals of β-(BEDT-TTF)2I3 here the superconducting state is stable and the crystals can be prepared by tempering α-(BEDT-TTF)2I3 above 70 °C for several days. ac-susceptibility measurements show that the observed superconducting state at 8 K is a bulk property of the crystals. Resistivity measurements indicate a sharp superconducting transition at 8 K with an onset temperature of about 9 K. The upper critical fields Hc2 at 1.3 K lie between 3 and 11 T depending on the direction of the magnetic field with respect to the crystal axes. ESR- as well as NMR-measurements indicate a total transformation of the α-phase crystals into the new superconducting α t -crystals after tempering.
Appears in Collections:08 Fakultät Mathematik und Physik

Files in This Item:
File Description SizeFormat 
schw106.pdf615,91 kBAdobe PDFView/Open


Items in OPUS are protected by copyright, with all rights reserved, unless otherwise indicated.