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Showing 1–5 of 5 results
Advanced filters: Author: Felix Lüpke Clear advanced filters

  • 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

  • Accurately characterizing the noise influencing quantum devices is instrumental to improve coherence properties and design more robust control protocols. Sung et al. demonstrate non-Gaussian noise spectroscopy with a superconducting qubit, enabling the detection and characterization of dephasing noise without assuming Gaussian statistics.

    • Youngkyu Sung
    • Félix Beaudoin
    • William D. Oliver
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8

  • MnBi2-xSbxTe4 is a promising host for exotic quantum phenomena but its electronic properties crucially depend on intrinsic disorder, which is difficult to quantify. Here, the roles of nanoscale defects in MnBi2-xSbxTe4 are disentangled by statistical analysis using scanning tunnelling microscopy and spectroscopy.

    • Felix Lüpke
    • Marek Kolmer
    • An-Ping Li
    ResearchOpen Access
    Communications Materials
    Volume: 4, P: 1-7