Patent ID: 6649570
Filing Date: 2003-11-18
Classification: H01L,Y10T

Abstract:
A conductor structure comprising:a metallic substrate tape over which there is provided at least one buffer layer comprising a CeO2 layer doped with a dopant, and having a superconductive layer of YBCO on said CeO2 layer, wherein said at least one buffer layer comprises: said doped CeO2 layer which is a lattice matching layer, a first layer, between said metallic substrate and said lattice matching layer, being a diffusion barrier against said metallic substrate, and a second layer, between said first layer and said lattice matching layer, which is bi-axially textured for transferring its texture to said YBCO layer at a proper deposition temperature, said second layer being an MgO layer having a thickness substantially less than or equal to 10 nm, wherein said YBCO layer has a thickness substantially more than or equal to 1 &mgr;m and exhibits high current density values.