Article (Scientific journals)
Magneto-transport characterization of Dy123 monodomain superconductors
Pekala, Marek; Mucha, Jan; Vanderbemden, Philippe et al.
2005In Applied Physics. A, Materials Science and Processing, 81 (5), p. 1001-1007
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Keywords :
superconductivity; electrical resistivity; thermal conductivity
Abstract :
[en] We consider textured materials of the DyBa2Cu3O7 type seeded with a Nd123 seed as initiator. They are grown with an excess 20% Dy211 phase on a Dy2O3 substrate. We report chemical characterization, electrical resistivity, thermoelectric power and thermal conductivity over a broad temperature range as a function of an applied magnetic field up to 6 T. We show that specific features appear in the magneto-thermal transport properties, different in these materials from those found in single crystals and polycrystalline samples. We propose that two vortex regimes can be distinguished in the mixed phase, due to the intrinsic microstructure. We calculate the viscosity, entropy and figure of merit of the samples.
Research center :
SUPRATECS - Services Universitaires pour la Recherche et les Applications Technologiques de Matériaux Électro-Céramiques, Composites, Supraconducteurs - ULiège
Disciplines :
Physics
Materials science & engineering
Author, co-author :
Pekala, Marek;  University of Warsaw
Mucha, Jan ;  Institute of Low Temperature & Structure Research, Wroclaw
Vanderbemden, Philippe  ;  Université de Liège - ULiège > Capteurs et systèmes de mesures électriques
Cloots, Rudi ;  Université de Liège - ULiège > Chimie inorganique structurale
Ausloos, Marcel ;  Université de Liège - ULiège > Département de physique > Physique statistique appliquée et des matériaux
Language :
English
Title :
Magneto-transport characterization of Dy123 monodomain superconductors
Publication date :
2005
Journal title :
Applied Physics. A, Materials Science and Processing
ISSN :
0947-8396
eISSN :
1432-0630
Publisher :
Springer, New York, United States - New York
Volume :
81
Issue :
5
Pages :
1001-1007
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
State Committee for Scientific Research in Poland (KBN)
CGRI - Commissariat général aux Relations internationales [BE]
Commentary :
The original publication is available at http://springerlink.com/content/lvmyh472mcf18q8k/.
Available on ORBi :
since 16 August 2009

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