Method of preparing metal oxide crystal

Details Method of preparing metal oxide crystal Method of preparing metal oxide crystal

1993-05-21

1995-04-18

Kunemund, Robert

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

With melting

505729, 117 33, 117 36, C30B 1502

Patent

active

054079071

ABSTRACT:
A method of pulling a crystal of a metal oxide is disclosed, in which the growth of the crystal is performed in a liquid phase having a composition which is different from the metal oxide and which contains components constituting the metal oxide. The liquid phase is in contact with a solid phase located at a position separated from the position at which the crystal of the metal oxide grows. The solid phase has a composition different from that of the metal oxide and supplies components constituting the metal oxide to the liquid phase.

REFERENCES:
patent: 4545849 (1985-10-01), d'Aragona
patent: 5057492 (1991-10-01), Oka et al.
Melt Processing of YBaCuO Oxide Superconductors, Fujimoto et al Japanese Journal of Applied Physics, vol. 28, No. 7, Jul. 1989, pp. 1125-1127 Physica C 190 (1991) 64-66, Asaoka et al.
Asaoka, et al, "Growth and Characterization of Polyhedral YBa.sub.2 Cu.sub.3 O.sub.x Single Crystals," Physica C. Superconductivity, vol. 190, pp. 64-66 (1991).
Takekawa et al, "Single Crystal Preparation of Ba.sub.2 YCu.sub.3 O.sub.x from Nonstoichiometric Melts," Japanese Journal of Applied Physics, vol. 26, No. 5, May 1987 pp. L851-L853.

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