METHOD FOR MANUFACTURING MULTIPLE-OXIDE SINGLE CRYSTAL BY USING CRUCIBLE MADE OF IRIDIUM, AND METHOD FOR MANUFACTURING MULTIPLE-OXIDE MATERIAL BY USING CRUCIBLE MADE OF PLATINUM

• Main Authors: DOBASHI DAISUKE, SHIMIZU JUICHI, SHO YOSHIHIKO
• Format: Patent
• Language: English; Japanese
• Published: 18.05.2015
• Subjects: AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR; CHEMISTRY; CRYSTAL GROWTH; METALLURGY; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE; REFINING BY ZONE-MELTING OF MATERIAL; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE; SINGLE-CRYSTAL-GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL

PROBLEM TO BE SOLVED: To provide a method or the like for manufacturing a multiple-oxide single crystal such as a garnet-group single crystal capable of suppressing the early formation of cracks in an iridium crucible, thereby to elongate the lifetime of the crucible.SOLUTION: In a method for manufa...