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Poster (Scientific congresses and symposiums)
Measurement and modeling of macroscopic ferromagnetic/high-Tc superconductor hybrid structures: applications to drilled bulk HTS with ferromagnetic materials inserted inside the holes.
Lousberg, Gregory; Regnier, J.-H.; Ausloos, M et al.
2008ASC 2008 - Applied Superconductivity Conference
 

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Keywords :
Drilled bulk superconductors; ferromagnetic materials
Abstract :
[en] Hybrid ferromagnetic/high-Tc superconductors (F/S) structures are realized by inserting iron cylinders inside the macroscopic columnar holes of drilled bulk high-Tc superconductors. The ferromagnetic material, with its tendency to concentrate the magnetic flux lines, modifies the magnetic properties of HTS that are characterized by a repulsion of the flux lines. In particular, the trapped field distribution of hybrid F/S results from a trade-off between the opposite magnetic properties of both materials. With the help of a 3-axis Hall probe mapping experiment, we characterize both vertical and transverse components of the trapped magnetic field. The distribution of the magnetic field trapped in the neighborhood of a hole inside which a ferromagnetic material is inserted is further investigated by high-resolution magneto-optic images. Experimental results are discussed with the help of a 3D finite-element model of hybrid F/S structure.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Lousberg, Gregory;  Université de Liège - ULiège
Regnier, J.-H.;  Université de Liège - ULiège
Ausloos, M;  Université de Liège - ULiège
Vanderbemden, Philippe  ;  Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques
Vanderheyden, Benoît  ;  Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Electronique et microsystèmes
Language :
English
Title :
Measurement and modeling of macroscopic ferromagnetic/high-Tc superconductor hybrid structures: applications to drilled bulk HTS with ferromagnetic materials inserted inside the holes.
Publication date :
August 2008
Event name :
ASC 2008 - Applied Superconductivity Conference
Event place :
Chicago, United States
Event date :
from 16-08-2008 to 22-08-2008
Audience :
International
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since 02 November 2016

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