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Low resistivity contact to iron-pnictide superconductors

United States Patent

May 28, 2013
View the Complete Patent at the US Patent & Trademark Office
Low Resistivity Contact to Iron-Pnicitide Superconductors
Method of making a low resistivity electrical connection between an electrical conductor and an iron pnictide superconductor involves connecting the electrical conductor and superconductor using a tin or tin-based material therebetween, such as using a tin or tin-based solder. The superconductor can be based on doped AFe.sub.2As.sub.2, where A can be Ca, Sr, Ba, Eu or combinations thereof for purposes of illustration only.
Tanatar; Makariy (Ames, IA), Prozorov; Ruslan (Ames, IA), Ni; Ni (Ames, IA), Bud'ko; Sergey (Ames, IA), Canfield; Paul (Ames, IA)
Iowa State University Research Foundation, Inc. (Amos, IA)
12/ 931,999
February 15, 2011
CONTRACTUAL ORIGIN OF THE INVENTION This invention was made with government support under Contract No. DE-AC02-07CH11358 from the Department of Energy. The government has certain rights in the invention.