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Traits communs et divergents dans les dynamiques de vortex des LTS, HTS et MgB2.

Common and different features in vortex dynamics of LTS, HTS and MgB2.

Auteurs : ADESSO M. G., POLICHETTI M., PACE S., et al.

Résumé

The magnetic response of several type-II superconductors, namely low-Tc (Nb3Sn and Nb), high-Tc (YBCO) and MgB2 polycrystalline samples, has been investigated by using the harmonics of the alternating current magnetic susceptibility. The data have been analysed in terms of Cole-Cole plots. A similar behaviour as a function of the amplitude of the alternating current magnetic field has been observed in the 1st harmonics Cole-Cole plots, whereas a different non-linear magnetic response has been detected, in the analysed materials. Numerical techniques are necessary to individuate the different vortex dynamic regimes as responsible of the magnetic behaviour in the samples.

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Pages : 2006-3/ICMC-D3

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    20 €

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    Gratuit

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Détails

  • Titre original : Common and different features in vortex dynamics of LTS, HTS and MgB2.
  • Identifiant de la fiche : 2008-1148
  • Langues : Anglais
  • Source : Multiconference CryoPrague 2006 (9th Cryogenics 2006, ICEC 21, ICMC'06)
  • Date d'édition : 17/07/2006

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