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Showing 1–8 of 8 results
Advanced filters: Author: Peter Schüffelgen Clear advanced filters

  • An in situ only fabrication process for networks of topological insulator–superconductor Josephson junctions with high interface transparency is introduced, which holds some potential for the production of future topological quantum computing networks.

    • Peter Schüffelgen
    • Daniel Rosenbach
    • Detlev Grützmacher
    Research
    Nature Nanotechnology
    Volume: 14, P: 825-831

  • Exploiting topological insulator surface states in electronic devices requires an understanding of the factors that affect transport. Here, the authors use scanning tunnelling potentiometry to determine the contributions of different kinds of surface defects to the electrical resistance.

    • Felix Lüpke
    • Markus Eschbach
    • Bert Voigtländer
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Coexistence of a topological insulator phase and a topological crystalline insulator phase helps to maintain topological properties under a controlled symmetry breaking perturbation. Here, Eschbacket al. report a superlattice of Bi and Bi2Te3to be such a dual topological insulator.

    • Markus Eschbach
    • Martin Lanius
    • Claus M. Schneider
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-9

  • The standard current–phase relation in tunnel Josephson junctions involves a single sinusoidal term, but real junctions are more complicated. The effects of higher Josephson harmonics have now been identified in superconducting qubit devices.

    • Dennis Willsch
    • Dennis Rieger
    • Ioan M. Pop
    ResearchOpen Access
    Nature Physics
    Volume: 20, P: 815-821

  • A deep understanding of low-temperature transport properties of GeTe material remains a challenge. Here, the authors investigate phase-coherent phenomena in GeTe nanowire structures where the occurrence of magnetic flux-periodic oscillations come from the formation of a tubular hole accumulation layer.

    • Jinzhong Zhang
    • Pok-Lam Tse
    • Thomas Schäpers
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Topological surface states of three-dimensional topological insulators exhibit distinct magnetotransport properties. Here, a steering effect is demonstrated for three-terminal junctions, which is driven by an in-plane magnetic field and makes the junction act as a topoelectric current switch.

    • Jonas Kölzer
    • Kristof Moors
    • Thomas Schäpers
    ResearchOpen Access
    Communications Materials
    Volume: 2, P: 1-7