Abstract

Epitaxial YSZ film was deposited directly on biaxially-textured (001) Ni tapes using pulsed-laser deposition. Nucleation of the YSZ film on Ni is achieved without the intentional removal of the native oxide from the Ni (001) surface. The epitaxial YSZ layer grown on the Ni (001) surface was used as a single buffer layer for a high temperature superconducting coated conductor architecture, yielding YBa 2Cu 3O 7 films with critical current density of 1 MA/cm 2 at 77 K. This architecture eliminates the necessity for a multilayer buffer architecture, as high J c superconducting films are achieved with no intermediate buffer layer between the (001) YSZ and the biaxially textured metal.

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