Publication | Closed Access
Experimental Analysis of YBa<sub>2</sub>Cu<sub>3</sub>O<sub>x</sub>/Ag Proximity Interfaces
28
Citations
9
References
1990
Year
Superconducting MaterialEngineeringNanoelectronicsSuperconductivityHigh Tc SuperconductorsSuperconducting DevicesMaterials ScienceHigh-tc SuperconductivityPhysicsExperimental AnalysisYbco FilmsSemiconductor MaterialJosephson-like BehaviorInterface PropertySurface ScienceApplied PhysicsCondensed Matter PhysicsYbco ComponentsTopological HeterostructuresInterface Phenomenon
We have fabricated SNS (superconductor-normal metal-superconductor) junctions consisting of YBa 2 Cu 3 O x (YBCO)/Ag/Nb trilayers in order to probe surface properties of the YBCO films. The trilayers are in situ deposited, and patterned by a photolithographic technique. These junctions exhibit Josephson-like behavior. The contact resistivity and its temperature dependence suggest that the weaklinks are formed inside YBCO and that the junction properties depend on the area of surface non-superconducting phases consisting of the YBCO components.
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