Article (Scientific journals)
AC susceptibility data on Dy2O3 seeded randomly oriented Dy-123 mono domains melt-textured superconductor
Vanderbemden, Philippe; Bougrine, Hassan; Ausloos, Marcel et al.
1998In Materials Science and Engineering: B, Solid-State Materials for Advanced Technology, 53 (1-2), p. 198-202
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Keywords :
DyBa2Cu3O7 superconductor; AC susceptibility; flux profiles; anisotropy
Abstract :
[en] Dy-123 superconducting ceramics have been grows using small Dy2O3 single-crystals as seeds. Randomly oriented large mono-domains have been observed in the vicinity of the seeding single crystal. These domains are one order of magnitude greater in volume than the seed. The AC susceptibility versus temperature curves have been measured in a polycrystalline cubic sample for different orientations of the magnetic field with respect to the sample and for amplitudes up to 20 G. Three measuring coils, each parallel to one side of the sample, were used to investigate the anisotropy of the properties. Electrical resistance versus temperature and flux profiles at 77 K were also explored. The results show good grain connectivity. A non negligible part of the magnetic shielding is due to currents flowing inside the grains. (C) 1998 Elsevier Science S.A. All rights reserved.
Research center :
SUPRATECS - Services Universitaires pour la Recherche et les Applications Technologiques de Matériaux Électro-Céramiques, Composites, Supraconducteurs - ULiège
Disciplines :
Materials science & engineering
Physics
Author, co-author :
Vanderbemden, Philippe  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques
Bougrine, Hassan  ;  Université de Liège - ULiège > CARE "Le Réseau des bibliothèques" > Bibliothèque des Sciences et Techniques
Ausloos, Marcel ;  Université de Liège - ULiège > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S.
Auguste, Françoise
Cloots, Rudi ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences
Language :
English
Title :
AC susceptibility data on Dy2O3 seeded randomly oriented Dy-123 mono domains melt-textured superconductor
Publication date :
1998
Journal title :
Materials Science and Engineering: B, Solid-State Materials for Advanced Technology
ISSN :
0921-5107
eISSN :
1873-4944
Publisher :
Elsevier Science, Lausanne, Switzerland
Volume :
53
Issue :
1-2
Pages :
198-202
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
FWB - Fédération Wallonie-Bruxelles [BE]
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since 02 September 2009

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