38 citations · 56 across the 6 of their papers we have counts for
6 papers
Local and Non-local Microwave Impedance of a Three-Terminal Hybrid Device
B. Harlech-Jones, S. J. Waddy, J. D. S. Witt +8
We report microwave impedance measurements of a superconductor-semiconductor hybrid nanowire device with three terminals (3T). Our technique makes use of transmission line resonato…
Josephson Junctions Via Anodization of Epitaxial Al on an InAs Heterostructure
A. Jouan, J. D. S. Witt, G. C. Gardner +5
We combine electron beam lithography and masked anodization of epitaxial aluminium to define tunnel junctions via selective oxidation, alleviating the need for wet-etch processing…
Spin-orbit Energies in Etch-Confined Superconductor-Semiconductor Nanowires
J. D. S. Witt, G. C. Gardner, C. Thomas +4
We report magneto-transport measurements of quasi-1-dimensional (1D) Al-InAs nanowires produced via etching of a hybrid superconductor-semiconductor two-dimensional electron gas (2…
Repairing the Surface of InAs-based Topological Heterostructures
S. J. Pauka, J. D. S. Witt, C. N. Allen +9
Candidate systems for topologically-protected qubits include two-dimensional electron gases (2DEGs) based on heterostructures exhibiting a strong spin-orbit interaction (SOI) and s…
Control of superconductivity with a single ferromagnetic layer in niobium/erbium bilayers
N. Satchell, J. D. S. Witt, M. G. Flokstra +5
Superconducting spintronics in hybrid superconductor/ferromagnet (S-F) heterostructures provides an exciting potential new class of device. The prototypical super-spintronic device…
Supra-oscillatory critical temperature dependence of Nb-Ho bilayers
F. Chiodi, J. D. S. Witt, R. G. J. Smits +7
We investigate the critical temperature Tc of a thin s-wave superconductor (Nb) proximity coupled to a helical rare earth ferromagnet (Ho). As a function of the Ho layer thickness,…