Localized large superconducting critical currents in Ba2Y1Cu3O9-y

Kumakura, H.; Uehara, M.; Togano, K.
November 1987
Applied Physics Letters;11/9/1987, Vol. 51 Issue 19, p1557
Academic Journal
Magnetization measurements of powder and sintered samples of Ba2Y1Cu3O9-y have been made at 77 K. Excellent critical current densities Jc’s of about 3×104 A/cm2 at 10 kOe were estimated for the powder samples, which consisted of single-crystal particles of ∼3 μm in dimension. These Jc’s were about two orders of magnitdue larger than those of the sintered sample.


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