PURPOSE: To easily obtain a superconducting oxide composition useful to a superconducting magnet, etc., being high in density and having a uniform thin film by sintering a gel obtained by hydrolysis and polymerization of a sol produced from a specific solution under the O2-containing atmosphere.
CONSTITUTION: (A) A compound containing one kind or more cation ions selected from Y and rare-earth metals, (B) a compound containing one kind or more cation ions selected from Ba and Sr alkaline earth metals, and (C) a precursor of Cu oxide (e.g. Cu cyclohexane butylate), are mixed to be 1:2:3 at a mol ratio of A:B:C compound, and are dissolved into butanol to produce a sol of alkoxide. Next, this sol is applied on a substrate in a thin film, then is dried to obtain a gel film. Subsequently the gel film is sintered in the air atmosphere at a first stage and successively is sintered at 400-900°C under the O2 atmosphere at a second stage to obtain the superconducting composition.
UIRIAMU NOERU OSUBOON
UORUTAA KAARU TSUNITSUKAA
| JPS6418901A | 1989-01-23 | |||
| JPS6418916A | 1989-01-23 | |||
| JPS6465006A | 1989-03-10 | |||
| JPS63282118A | 1988-11-18 | |||
| JPS63270316A | 1988-11-08 | |||
| JPS63260819A | 1988-10-27 | |||
| JPS63257132A | 1988-10-25 | |||
| JPS63256517A | 1988-10-24 | |||
| JPS6322529A | 1988-01-30 |
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