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  A stable superconducting state at 8 K and ambient pressure inαt−(BEDT−TTF⋆)2I13

Schweitzer, D., Bele, P., Brunner, H., Gogu, E., Haeberlen, U., Hennig, I., et al. (1987). A stable superconducting state at 8 K and ambient pressure inαt−(BEDT−TTF⋆)2I13. Zeitschrift für Physik B, 67(4), 489-495. doi:10.1007/BF01304118.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-6835-8 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-6848-3
Genre: Journal Article
Alternative Title : A stable superconducting state at 8 K and ambient pressure inalphat−(BEDT−TTF)2I13

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ZsPhysikB_67_1987_489.pdf (Any fulltext), 613KB
 
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 Creators:
Schweitzer, D., Author
Bele, P.1, Author           
Brunner, H.1, Author           
Gogu, E.1, Author           
Haeberlen, U.1, Author           
Hennig, I.1, Author           
Klutz, T.1, Author           
Świetlik, R.1, Author           
Keller, H. J., Author
Affiliations:
1Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497705              

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 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.

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Language(s): eng - English
 Dates: 1987-03-301987-12-01
 Publication Status: Issued
 Pages: 7
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 Rev. Type: Peer
 Identifiers: DOI: 10.1007/BF01304118
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Title: Zeitschrift für Physik B
  Other : Zeitschrift für Physik B Condensed Matter
Source Genre: Journal
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Publ. Info: Springer-Verlag
Pages: - Volume / Issue: 67 (4) Sequence Number: - Start / End Page: 489 - 495 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/0722-3277
ISSN: 0340-224X