Patent ID: 7445808

Claim:
A method of forming a superconducting article comprising: providing a substrate; forming a buffer layer to overlie the substrate, the buffer layer including a first buffer film and a second buffer film, said first buffer film deposited in the presence of an ion beam assist source, being an anti-epitaxial film, and having a uniaxial crystal texture characterized by (i) texture in a first crystallographic direction that extends out-of-plane of the first buffer film with no significant texture in a second direction that extends in-plane of the first buffer film, or (ii) texture in a first crystallographic direction that extends in-plane of the first buffer film with no significant texture in a second direction that extends out-of-plane of the first buffer film, said second buffer film deposited in the presence of an ion assist source and having a biaxial crystal texture, and wherein the anti-epitaxial film has a crystal structure to inhibit crystallographic templating of the second buffer film; and forming a superconducting layer to overlie the buffer layer.