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SUMMARY:Interference between an s-wave superconductor and Sr2RuO4 - Taketo
 mo Nakamura\, Kyoto University
DTSTART:20100225T111500Z
DTEND:20100225T114500Z
UID:TALK22301@talks.cam.ac.uk
CONTACT:Michael Sutherland
DESCRIPTION: We have fabricated superconducting proximity junctions with a
 n s-wave superconductor Pb and a eutectic crystal of Sr2RuO4-Ru. We have r
 eproducibly found that the critical current Ic appears above 1.5 K but it 
 is sharply suppressed just below 1.5 K (the bulk Tc of pure Sr2RuO4). Curi
 ously\, Ic becomes strong again below about 1.2 K. In this presentation\, 
 I will discuss possible mechanisms to explain this unusual behavior of Ic.
  The collaborators in this work are Ryoji NAKAGAWA\, Shingo YONEZAWA\, Tak
 ahito TERASHIMA\, and Yoshiteru MAENO.
LOCATION:TCM Seminar Room
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