Abstract
In order to evaluate the effect of the microstructure on E– J properties, the E– J properties for Bi2212 thick films prepared under three different conditions were measured. The measured E– J properties were analyzed based on the percolation model, and the local J c ( J cl) distribution was evaluated. The distribution of the local J c was much affected by its microstructures. For the well aligned sample with large plate-like grains, which is similar to Ag-sheathed Bi2212 tape, the distribution of the local J c at percolation transition field B GL was found to be asymmetric and reached the high J cl region.
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