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A method of forming a YBa2Cu3Oy single crystal, which comprises the following steps: (a) preparing a YBa2Cu3Oy powder in which y is 6 to 7; (b) adding silver or silver oxide to stoichiometric YBa2Cu3Oy powder at a ratio of about 1:0.2 ~ 0.4 and mixing; (c) pressing the mixture powder into a molded article; (d) sintering the molded article in air at 980 DEG C to 1010 DEG C for 8~24 hours; and (e) cooling the molded article at 6 DEG C/hour to 950 DEG C, maintaining at 950 DEG C for 6 hours, then slowly cooling the article to 500 DEG C, and maintaining at 500 DEG C for 10 to 60 hours.
TW084106952A1995-07-051995-07-05Method of forming YBa2Cu3Oy single crystals from a mixture of solid phase YBa2Cu3Oy and liquid-phase silver
TW353653B
(en)