Laminated film and method for producing the same.

摘要

A laminated film comprising at least two thin films of single crystal LnBa2Cu3O7-x wherein Ln is Y or one of lanthanoids except Pr and Tb having the (001) plane in the direction parallel with the film surface and at least one continuous thin film of Y2O3 which is has the (001) plane in the direction parallel with the film surface and is interposed between a pair of said thin films of single crystal LnBa2Cu3O7-x, wherein the thin films of single crystal LnBa2Cu3O7-x has good superconductive properties.