科研之友
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摘要
A coated infiltration growth technique was proposed to fabricate single-grain Y?Ba?Cu?O bulk superconductor, in which a liquid source coated Y2BaCuO5 (Y-211) preform was employed and the liquid source composition was 3BaO+5CuO. Experimental results indicated that, the sample exhibited a single-grain morphology on the top surface, and the liquid source coating always existed surrounding the bulk which contributed to the complete growth of the sample.
