Home > Publications database > Flux periodic oscillations and phase-coherent transport in GeTe nanowire-based devices > print |
001 | 890587 | ||
005 | 20220930130307.0 | ||
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100 | 1 | _ | |a Zhang, Jinzhong |0 P:(DE-Juel1)172738 |b 0 |
245 | _ | _ | |a Flux periodic oscillations and phase-coherent transport in GeTe nanowire-based devices |
260 | _ | _ | |a [London] |c 2021 |b Nature Publishing Group UK |
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520 | _ | _ | |a Despite the fact that GeTe is known to be a very interesting material for applications in thermoelectrics and for phase-change memories, the knowledge on its low-temperature transport properties is only limited. We report on phase-coherent phenomena in the magnetotransport of GeTe nanowires. From universal conductance fluctuations measured on GeTe nanowires with Au contacts, a phase-coherence length of about 280 nm at 0.5 K is determined. The distinct phase-coherence is confirmed by the observation of Aharonov–Bohm type oscillations for parallel magnetic fields. We interpret the occurrence of these magnetic flux-periodic oscillations by the formation of a tubular hole accumulation layer. For Nb/GeTe-nanowire/Nb Josephson junctions we obtained a critical current of 0.2 μA at 0.4 K. By applying a perpendicular magnetic field the critical current decreases monotonously with increasing field, whereas in a parallel field the critical current oscillates with a period of the magnetic flux quantum confirming the presence of a tubular hole channel. |
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700 | 1 | _ | |a Kölzer, Jonas |0 P:(DE-Juel1)172619 |b 3 |
700 | 1 | _ | |a Rosenbach, Daniel |0 P:(DE-Juel1)167347 |b 4 |
700 | 1 | _ | |a Luysberg, Martina |0 P:(DE-Juel1)130811 |b 5 |
700 | 1 | _ | |a Panaitov, Gregory |0 P:(DE-Juel1)128715 |b 6 |
700 | 1 | _ | |a Lüth, Hans |0 P:(DE-Juel1)128608 |b 7 |
700 | 1 | _ | |a Hu, Zhigao |0 P:(DE-HGF)0 |b 8 |
700 | 1 | _ | |a Grützmacher, Detlev |0 P:(DE-Juel1)125588 |b 9 |
700 | 1 | _ | |a Lu, Jia Grace |0 P:(DE-HGF)0 |b 10 |
700 | 1 | _ | |a Schäpers, Thomas |0 P:(DE-Juel1)128634 |b 11 |e Corresponding author |
773 | _ | _ | |a 10.1038/s41467-021-21042-5 |g Vol. 12, no. 1, p. 754 |0 PERI:(DE-600)2553671-0 |n 1 |p 754 |t Nature Communications |v 12 |y 2021 |x 2041-1723 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/890587/files/s41467-021-21042-5.pdf |y OpenAccess |
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