Abstract
The effects of 2 at.% Ti addition on the microstructure of laser floating zone textured Bi-2212 thin rods have been analyzed. It has been found that Ti induces a great number of nucleation centers in the molten zone and, in consequence, it reduces the grain size one order of magnitude. In addition, using the same growth conditions, the texture of the sample is strongly degraded and the superconducting properties at 77 K deteriorate.
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