Hauptseite > Publikationsdatenbank > Crossover from Josephson Effect to Single Interface Andreev Reflection in Asymmetric Superconductor/Nanowire Junctions > print |
001 | 156101 | ||
005 | 20210129214209.0 | ||
024 | 7 | _ | |a 10.1021/nl501350v |2 doi |
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024 | 7 | _ | |a 1530-6984 |2 ISSN |
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037 | _ | _ | |a FZJ-2014-04975 |
041 | _ | _ | |a English |
082 | _ | _ | |a 540 |
100 | 1 | _ | |a Günel, H. Y. |0 P:(DE-HGF)0 |b 0 |e Corresponding Author |
245 | _ | _ | |a Crossover from Josephson Effect to Single Interface Andreev Reflection in Asymmetric Superconductor/Nanowire Junctions |
260 | _ | _ | |a Washington, DC |c 2014 |b ACS Publ. |
336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1412249135_24560 |2 PUB:(DE-HGF) |
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336 | 7 | _ | |a article |2 DRIVER |
520 | _ | _ | |a 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 also show clear signatures of subharmonic gap structures. At zero magnetic field, a Josephson coupling is found for theasymmetric Al/InAs-nanowire/Nb junctions as well. By applying a magnetic field above the criticalfield of Al or by raising the temperature above the critical temperature of Al the junction can be switched to an effective singleinterface superconductor/nanowire structure. In this regime, a pronounced zero-bias conductance peak due to reflectionless tunneling has been observed. |
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700 | 1 | _ | |a Schäpers, Thomas |0 P:(DE-Juel1)128634 |b 7 |u fzj |
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856 | 4 | _ | |u http://pubs.acs.org/doi/abs/10.1021/nl501350v |
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