Enhanced pinning in mixed rare earth-123 films

Patent · Tue Jun 16 00:00:00 EDT 2009

OSTI ID:972291

Driscoll, Judith L ^[1]; Foltyn, Stephen R ^[1]

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1. Los Alamos, NM

An superconductive article and method of forming such an article is disclosed, the article including a substrate and a layer of a rare earth barium cuprate film upon the substrate, the rare earth barium cuprate film including two or more rare earth metals capable of yielding a superconductive composition where ion size variance between the two or more rare earth metals is characterized as greater than zero and less than about 10.times.10.sup.-4, and the rare earth barium cuprate film including two or more rare earth metals is further characterized as having an enhanced critical current density in comparison to a standard YBa.sub.2Cu.sub.3O.sub.y composition under identical testing conditions.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-36
• Assignee: Los Alamos National Security, LLC (Los Alamos, NM)
• Patent Number(s): 7,547,661
• Application Number: 10/925,479
• OSTI ID: 972291
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE