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Conductive and robust nitride buffer layers on biaxially textured substrates

United States Patent

March 31, 2009
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
The present invention relates to epitaxial, electrically conducting and mechanically robust, cubic nitride buffer layers deposited epitaxially on biaxially textured substrates such as metals and alloys. The invention comprises of a biaxially textured substrate with epitaxial layers of nitrides. The invention also discloses a method to form such epitaxial layers using a high rate deposition method as well as without the use of forming gases. The invention further comprises epitaxial layers of oxides on the biaxially textured nitride layer. In some embodiments the article further comprises electromagnetic devices which may have superconducting properties.
Sankar; Sambasivan (Chicago, IL), Goyal; Amit (Knoxville, TN), Barnett; Scott A. (Evanston, IL), Kim; Ilwon (Skokie, IL), Kroeger; Donald M. (Knoxville, TN)
Applied Thin Films, Inc. (Evanston, IL), UT-Battelle, LLC (Oak Ridge, TN)
10/ 919,630
August 17, 2004
The United States Government has rights to this invention pursuant to Contract No. DE-ACO5-000R22725 between the United States Department of Energy and UT-Battelle, LLC and Contract No. F33615.99.C.2967 between the Department of Defense and Applied Thin Films, Inc.