C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
C01F 17/00 (2006.01) C01F 11/02 (2006.01) C01G 3/02 (2006.01) C04B 35/45 (2006.01) C04B 35/50 (2006.01) C23C 14/08 (2006.01) C30B 23/02 (2006.01) C30B 29/22 (2006.01) C30B 29/68 (2006.01) H01B 1/08 (2006.01) H01L 39/12 (2006.01) H01L 39/22 (2006.01)
Patent
CA 2043710
A CUBIC PEROVSKITE CRYSTAL STRUCTURE, A PROCESS OF PREPARING THE CRYSTAL STRUCTURE, AND ARTICLES CONSTRUCTED FROM THE CRYSTAL STRUCTURE Abstract of the Disclosure A cubic perovskite crystal structure is disclosed satisfying the unit cell formula: R0.33+zA0.67C1-yO3-x where R, A and C represent rare earth, alkaline earth and copper atoms, respectively, capable of forming a superconductive R1A2C3 orthorhombic perovskite crystal structure; x is 0.67 to 1.0; y is up to 0.2; and z is up to 0.1. The crystal structure can be used to form superconductive superlattices and weak links for Josephson junction devices. The crystal structure can be produced by laser ablation deposition at a temperature below that required for the formation of a superconductive R1A2C3 orthorhombic perovskite crystal structure. The crystal structure can be used as a substrate for the subsequent deposition of an R1A2C3 orthorhombic perovskite crystal structure.
Agostinelli John Alfonse
Chen Samuel
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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