Crystal Growth of Y Based Superconductors on Solidification Processing.
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概要
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As a result of improvement on melt/solidification processing, the critical current density (Jc) at 77K of YBCO bulk superconductors has been increased even in a magnetic field. Especially, QMG and MPMG method has become to give a Jc value high enough for practical use. Zonemelting method has been utilized to fabricate superconducting wires. Recently, a single crystal Y 123 has been also continuously fabricated by using a crystal pulling method. The growth mechanism of 123 crystal from the partial molten state is gradually clarified and the special peritectic reaction mechanism has been proposed. Applicable process (e.g. superconductiog wires, magnetic bearing) are expected to be developed.
- 公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)の論文
公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会) | 論文
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