Abstract
Nb-(fine Nb wires)-NbN short weak links (SWLs) have been reproducibly fabricated by the field evaporation technique. By this method, one could continuously vary the I-V curve from insulator type to tunnel-type to metallic-contact type. The quasiparticle characteristics are qualitatively very similar to the prediction of Klapwijk, Blonder, and Tinkham (KBT) theory for the simple case of two independent normal metal-superconductor interfaces in the clean contact limit.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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