Reference : Magnetic properties of melt-textured DyBCO single domains
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Magnetic properties of melt-textured DyBCO single domains
Vanderbemden, Philippe mailto [Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques >]
Ausloos, Marcel [Université de Liège - ULiège > Département de physique > Département de physique >]
Cloots, Rudi [Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences >]
Materials Research Society Symposium Proceedings
High-Temperature Superconductors - Crystal Chemistry, Processing and Properties. Symposium
MRS Fall meeting 2000
27 November-1 December 2000
Materials Research Society
Boston, MA
[en] critical current ; magnetic properties ; melt-textured YBCO
[en] This communication aims at reporting the superconducting properties of several bulk melt-processed DyBa2Cu3O7-x samples determined by using various measuring techniques. The original single domain material was first cut into 9 similar cubic samples which have been characterized by AC susceptibility, flux profiles and DC magnetization. The results indicate good quality melt-processed (RE)BCO materials with Tc = 89 K. Next, the effect of post oxygen annealing treatments on these samples was studied. The influence of the non-uniformity of the oxygen content on the magnetic property anisotropy is discussed. Finally, additional magnetic measurements were carried out by using a couple of parallel pick-up coils wound on the same sample. From the results we conclude that geometric effects have to be taken into account in order to extract the critical current density from the magnetic properties.
Services Universitaires Pour la Recherche et les Applications Technologiques de Matériaux Électro-Céramiques, Composites, Supraconducteurs - SUPRATECS
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Communauté française de Belgique - CfB
Researchers ; Professionals

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