ORBi: Fagnard Jean-François - Intragranular and intergranular behaviour of multifilamentary Bi-2223/Ag tapes

Reference : Intragranular and intergranular behaviour of multifilamentary Bi-2223/Ag tapes


	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/2268/20969

Title :	Intragranular and intergranular behaviour of multifilamentary Bi-2223/Ag tapes
Language :	English
Author, co-author :	Fagnard, Jean-François [> > > >]
	Vanderbemden, Philippe [Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques >]
	Crate, David [> > > >]
	Misson, Vincent [> > > >]
	Ausloos, Marcel [Université de Liège - ULg > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S. >]
	Cloots, Rudi [Université de Liège - ULg > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences >]
Publication date :	2002
Journal title :	Physica C: Superconductivity
Publisher :	Elsevier Science
Volume :	372
Issue/season :	Part 2
Pages :	970-973
Peer reviewed :	Yes (verified by ORBi)
Audience :	International
ISSN :	0921-4534
City :	Amsterdam
Country :	The Netherlands
Keywords :	[en] critical current ; magnetic measurements ; multifilamentary tapes
Abstract :	[en] This communication aims at reporting the superconducting properties of Bi-2223/Ag tapes determined by using various measuring techniques. First. the original samples have been characterized by electrical resistance, AC susceptibility. and DC magnetization. The transport (intergranular) critical Current vs. magnetic field was also determined at T = 77 K using pulsed currents up to 40 A. Next. the same combination of experiments as performed oil bent tapes in order to bring out relevant information concerning the strength of the intergranular coupling. The results show that intergranular and intragranular currents differ by at least one order of magnitude, Finally, additional magnetic measurements were carried out in order to determine the anisotropy ratio Jc(ab)/Jc(c), which was found to lie around 30. (C) 2002 Elsevier Science B.V. All rights reserved.
Research units :	Services Universitaires Pour la Recherche et les Applications Technologiques de Matériaux Électro-Céramiques, Composites, Supraconducteurs - SUPRATECS
Funders :	Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Région wallonne : Direction générale des Technologies, de la Recherche et de l'Energie - DGTRE
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/2268/20969
DOI :	10.1016/S0921-4534(02)00947-4

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