Transport Properties of Granular High-TC Superconductors

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dc.creatorda Luz, M. S.
dc.creatorSantos, C. A. M. dos
dc.creatorSandim, M. J. R.
dc.creatorMachado, A. J. S.
dc.date2006-04-19
dc.date.accessioned2026-07-07T07:05:37Z
dc.date.available2026-07-07T07:05:37Z
dc.descriptionWe report on the application of the Resistively Shunted Junction (RSJ) model to granular high-TC superconductors. Some derived predictions of the RSJ model are applied to a set of superconducting granular samples which can be considered as a network of Josephson junctions. The investigated samples belong to both hole-doped Y1-xPrxBa2Cu3O7-d (x = 0.0, 0.35, and 0.45) and the electron-doped Sm2-xCexCuO4-d (x = 0.18) systems which display the so-called double resistive superconducting transition. We have performed several transport measurements in these compounds including temperature and magnetic field dependence of the electrical resistance, R(T,H), and I-V characteristics. Several aspects of the I-V characteristics were quantitatively well described by the RSJ model. The combined results strongly suggest that dissipation in granular superconducting samples is a natural consequence of the normal current flowing in parallel with the supercurrent current.
dc.descriptionarticle with 25 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0604460
dc.identifierhttp://arxiv.org/abs/cond-mat/0604460
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/109728
dc.subjectSuperconductivity
dc.titleTransport Properties of Granular High-TC Superconductors
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