Méthodes et outils de caractérisation électrique et magnétique des supraconducteurs

Abstract : The development of new superconducting materials and of new cables manufacturing processes such as YBaCuO films, allow to consider new application or to improve their performances. For the study of industrial applications, it is necessary to know the electromagnetic characteristics of these new materials. For superconductors, the difficulty lies in the reconstruction of the local electric law E(J), from measurements. This thesis therefore consists in the developing theoretical and experimental tools for characterization of high temperature superconductors. The work has mainly been carried out on two methods: - the MB method, which consists in making measurements on a coil and then extracting the properties of the superconducting tape. - the field mapping, based on the measurement of a map of the magnetic flux density. These methods have been tested and validated both experimentally and theoretically
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Julien Leclerc. Méthodes et outils de caractérisation électrique et magnétique des supraconducteurs. Autre. Université de Lorraine, 2013. Français. ⟨NNT : 2013LORR0208⟩. ⟨tel-01750508⟩

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