Journal
PHYSICAL REVIEW B
Volume 91, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.91.201413
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Funding
- Netherlands Organisation for Scientific Research (NWO)
- Foundation for Fundamental Research on Matter (FOM)
- Microsoft Corporation Station Q
- NWO through a Veni grant
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We use magnetoconductance measurements in dual-gated InSb nanowire devices, together with a theoretical analysis of weak antilocalization, to accurately extract spin-orbit strength. In particular, we show that magnetoconductance in our three-dimensional wires is very different compared to wires in two-dimensional electron gases. We obtain a large Rashba spin-orbit strength of 0.5-1 eV angstrom corresponding to a spin-orbit energy of 0.25-1 meV. These values underline the potential of InSb nanowires in the study of Majorana fermions in hybrid semiconductor-superconductor devices.
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