Observation of asymmetric transverse voltage in granular high-Tc superconductors

This work reports the influence of the granularity on the transverse voltage as a function of the temperature, VXY(T), in polycrystalline samples of Bi2Sr2Ca0.8Pr0.2Cu2O8+δ composition. It is observed nonzero transverse voltage at zero external magnetic field in the vicinity of the superconducting t...

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Veröffentlicht in:	Physica. C, Superconductivity Superconductivity, 2005-03, Vol.419 (3-4), p.71-78
Hauptverfasser:	da Luz, M.S., de Carvalho, F.J.H., dos Santos, C.A.M., Shigue, C.Y., Machado, A.J.S., Ricardo da Silva, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Cuprates superconductors (high tc and insulating parent compounds) Double superconducting transition Exact sciences and technology Granular, melt-textured, amorphous and composite superconductors Granularity Hall effect Inhomogeneous superconductors and superconducting systems Magnetic properties and materials Physics Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions Superconductivity
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