Fabricación y caracterización de cintas superconductoras de alta temperatura crítica

M. López, A. Mariño
2006 Momento  
From the superconductor compound (Bi0,8Pb0,2)2Sr2 - Ca2Cu3O10+γ (BSCCO-2223), BSCCO - 2223 superconducting tapes were prepared using the oxide power-in-tube (OPIT) method, using different thermal treatments. By submitting the tapes to high temperatures, high current densities relative to bulk material Jc ≈ 10 A/cm2 - 77 K and B = 0 T and high grain connectivity were obtained, which could be attributed to partial fusion of the compound. Morphology and composition of the packed material were
more » ... ed by Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray spectroscopy (EDX) respectively, observing a composition close to nominal and good grain connectivity, responsible of their electrical properties.
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