Process for producing an oxide superconductor from alkoxides
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsToshio Kobayashi, Fusaoki Uchikawa, Kenji Nomura, Fumio Fujiwara, Sigeru Matsuno, Masao Morita, Shouichi Yokoyama
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Abstract
A process for producing a superconductor of an oxide system, which comprises uniformly mixing metal elements for constituting the oxide system at least partly in the form of alkoxides having CN.sup.--, X.sup.-- wherein A is a halogen atom and/or an amine, with the rest, if any, being in the form of acetylacetonates, carboxylates and/or water-soluble inorganic compounds to obtain a homogeneous mixture, and sintering the mixture.
Claims10
A process for producing an oxide superconductor, which comprises uniformly mixing metal elements for constituting the oxide superconductor in the form of alkoxides, at least a part of the alkoxides having CN.sup.--, X.sup.--, wherein X is a halogen atom and /or an amine, with the rest, if any, being in the form selected from the group consisting of acetylacetonates, carboxylates, carbonates, sulfates, hydroxides, sulfides and mixtures thereof, to obtain a homogeneous mixture, dissolving the alkoxides to form a solution of said alkoxides, hydrolyzing the alkoxides in said solution and sintering the resulting hydrolyzate, wherein the metal elements for constituting the oxide superconductor are at least one element selected from the group consisting of Mg, Ca, Sr and Ba of Group IIa of the Periodic Table, at least one element selected from the group consisting of Sc, Y and lanthanoids of Group IIIa of the Periodic Table, and Cu.
Dependencies are inferred from the claim text.