The effect of B2O3 addition on La2−xSrxCuO4 single-crystal growth
2000
Abstract The effect of B 2 O 3 addition on La 2− x Sr x CuO 4 (LSCO) single-crystal growth by traveling solvent floating zone technique was examined. Experimentally, it was found that addition of boron oxide to the solvent provides a reduction of the solvent penetration into the feed rod and better seeding. No influence of boron on the superconductivity characteristics of grown LSCO single crystals was found. As a result high-quality, subgrain and inclusion-free La 2− x Sr x CuO 4 single crystals with x =0.0, 0.09 and 0.13 were prepared.
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