Crossover from Josephson Effect to Single Interface Andreev Reflection in Asymmetric Superconductor/Nanowire Junctions

We report on the fabrication and characterization of symmetric nanowire-based Josephson junctions, that is, Al- and Nb-based junctions, and asymmetric junctions employing superconducting Al and Nb. In the symmetric junctions, a clear and pronounced Josephson supercurrent is observed. These samples a...

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Veröffentlicht in:	Nano letters 2014-09, Vol.14 (9), p.4977-4981
Hauptverfasser:	Günel, H. Y, Borgwardt, N, Batov, I. E, Hardtdegen, H, Sladek, K, Panaitov, G, Grützmacher, D, Schäpers, Th
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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