Growth of YBa2Cu3Oy single crystals from a mixture of YBa2Cu3Oy and Ag2O.

Analyzes the growth of single crystals of the superconductor YBa[sub2]Cu[sub3]O[suby] from a mixture of solid phase YBa[sub2]Cu[sub3]O[suby] and liquid phase silver. Details of the process involved in growing high J[subc] superconducting yttrium (Y)-123 crystals from a mixture of stoichiometric Y-123 and Ag[sub2]; Description of stoichiometric Y-123 powder; Comparison between single and cube-like crystals; Effect of the addition of Ag[sub2]O on the stoichiometric Y-123 powder.