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London-silsbee state in magnetically textured dyba2cu307_x: Filamentary percolation
Sergeenkov, S; Ausloos, Marcel; Cloots, Rudi et al.
1993In Europhysics Letters, 24 (5), p. 397 - 402
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Abstract :
[en] A highly textured DyBa2Cu307_xsample has been grown by melting and cooling in an external magnetic field.V vs. Icharacteristics have been measured as a function oftemperature. The results are interpreted in terms of the so-called London model ofcurrent-induced destruction of superconductivity in a filamentary structure. The critical currentdeduced from theseI-Vcurves shows a linear temperature dependence which is consistent withthe so-called Silsbee state, and leads to a Silsbee critical current of ca. 380 mA atT =0, andcorresponds to a 0.5 T thermodynamic critical field. This field is in agreement with the structurededuced from microscopic observation and reveals that the percolation transition starts from afilamentary mechanism for the superconductivity destruction with increasing temperature. © 1993 IOP Publishing Ltd.
Disciplines :
Chemistry
Physics
Author, co-author :
Sergeenkov, S;  SUPRAS and Institute of Physics, B5, University of Liège Sart Tilman, Liège, B-k000, Belgium ; Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Ausloos, Marcel ;  Université de Liège - ULiège > Département de physique > S.U.P.R.A.S.
Cloots, Rudi ;  Université de Liège - ULiège > > Section chimie
Hannay, C;  SUPRAS and Institut d’Electricité Montefiore, B28, University of Liège Sart Tilman, Liège, B-b000, Belgium ; Institute of Chemistry, B6, University of Liège, Liège, B-4000, Sart Tilman, Belgium
Godelaine, P A;  SUPRAS and Institut d’Electricité Montefiore, B28, University of Liège Sart Tilman, Liège, B-b000, Belgium
Language :
English
Title :
London-silsbee state in magnetically textured dyba2cu307_x: Filamentary percolation
Publication date :
1993
Journal title :
Europhysics Letters
ISSN :
0295-5075
eISSN :
1286-4854
Publisher :
EDP Sciences, Fr
Volume :
24
Issue :
5
Pages :
397 - 402
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 September 2025

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