Relevant energy scale in hybrid mesoscopic Josephson junctions
Franco Carillo, Detlef Born, Vittorio Pellegrini, Francesco Tafuri, Giorgio Biasiol, Lucia Sorba, Fabio Beltram
DOI 10.1103/PhysRevB.78.052506 · Physical Review B
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Abstract
Transport properties of high quality Nb/semiconductor/Nb long Josephson junctions based on metamorphic In0.75Ga0.25As epitaxial layers are reported. Different junction geometries and fabrication procedures are presented that allow a systematic comparison with quasiclassical theory predictions. The impact of junction transparency is highlighted and a procedure capable of yielding a high junction quality factor is identified.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 8.7 | Pressure not reported | unknown |
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