17 citations · 35 across the 15 of their papers we have counts for
15 papers
Highly crystalline superconducting TiN resonators grown on thermally reconstructed sapphire
Thomas J. Smart, Marc Neis, Janine Lorenz +15
High quality crystalline growth of a thin film on sapphire requires sufficient substrate preparation, often achieved via the use of aggressive chemical cleaning. Direct thermal rec…
Proximitized Topological Insulator Charge Island Fabricated via In Situ Multi-Angle Stencil Lithography
Benedikt Frohn, Tobias Schmitt, Vanessa Serrano +7
Hybrid superconductor-topological insulator (TI) nanostructures constitute a promising material platform for exploring proximity-induced superconductivity in systems with topologic…
Kinetics-Driven Selective Stoichiometric Shift and Structural Asymmetry in Nanostructures for Hybrid Quantum Architectures
Abdur Rehman Jalil, Helen Valencia, Christoph Ringkamp +6
Advances in hybrid quantum architectures hinge on topological materials that can be synthesized with precise stoichiometric and structural control at the nanoscale. While $Bi_4Te_3…
On-chip stencil lithography for superconducting qubits
Roudy Hanna, Sören Ihssen, Simon Geisert +22
Improvements in circuit design and more recently in materials and surface cleaning have contributed to a rapid development of coherent superconducting qubits. However, organic resi…
Controlling the magneto-transport properties of magnetic topological insulator thin films from Cr(BiSb)Te via molecular beam epitaxy
Jan Karthein, Jonas Buchhorn, Kaycee Underwood +5
In this work we present a systematic in-depth study of how we can alter the magneto-transport properties of magnetic topological insulator thin films by tuning the parameters of th…
Topological insulator based axial superconducting quantum interferometer structures
Erik Zimmermann, Abdur Rehman Jalil, Michael Schleenvoigt +10
Nanoscale superconducting quantum interference devices (SQUIDs) are fabricated in-situ from a single BiSbTe nanoribbon that is defined using selective-area…
Single in situ Interface Characterization Composed of Niobium and a Selectively Grown (BiSb)Te Topological Insulator Nanoribbon
Kevin Janßen, Philipp Rüßmann, Sergej Liberda +14
With increasing attention in Majorana physics for possible quantum bit applications, a large interest has been developed to understand the properties of the interface between a …
In-plane magnetic field driven conductance modulations in topological insulator kinks
Gerrit Behner, Kristof Moors, Yong Zhang +8
We present low-temperature magnetoconductance measurements on BiSbTeSe kinks with ribbon-shaped legs. The conductance displays a clear dependence on…
Aharonov-Bohm interference and phase-coherent surface-state transport in topological insulator rings
Gerrit Behner, Abdur Rehman Jalil, Dennis Heffels +9
We present low-temperature magnetotransport measurements on selectively-grown SbTe-based topological insulator ring structures. These topological insulator ring geometries…
Ballistic surface channels in fully in situ defined BiTe Josephson junctions with aluminum contacts
Daniel Rosenbach, Abdur R. Jalil, Tobias W. Schmitt +5
In this letter we report on the electrical transport properties of BiTe in a Josephson junction geometry using superconducting Al electrodes with a Ti interdiffusion barrie…
Supercurrent in BiTe Topological Material-Based Three-Terminal Junctions
Jonas Kölzer, Abdur Rehman Jalil, Daniel Rosenbach +6
In an in-situ prepared three-terminal Josephson junction based on the topological insulator BiTe and the superconductor Nb the transport properties are studied. The differe…
Spin coherence of near-surface ionised Te donors in silicon
Mantas Šimėnas, James O'Sullivan, Oscar W. Kennedy +8
Impurity spins in crystal matrices are promising components in quantum technologies, particularly if they can maintain their spin properties when close to surfaces and material int…
Integration of topological insulator Josephson junctions in superconducting qubit circuits
Tobias W. Schmitt, Malcolm R. Connolly, Michael Schleenvoigt +16
The integration of semiconductor Josephson junctions (JJs) in superconducting quantum circuits provides a versatile platform for hybrid qubits and offers a powerful way to probe ex…
Long-lived non-equilibrium superconductivity in a non-centrosymmetric Rashba semiconductor
V. Narayan, P. C. Verpoort, J. R. A. Dann +8
We report non-equilibrium magnetodynamics in the Rashba-superconductor GeTe, which lacks inversion symmetry in the bulk. We find that at low temperature the system exhibits a non-e…
Boosting Transparency in Topological Josephson Junctions via Stencil Lithography
Peter Schüffelgen, Daniel Rosenbach, Chuan Li +14
Hybrid devices comprised of topological insulator (TI) nanostructures in proximity to s-wave superconductors (SC) are expected to pave the way towards topological quantum computati…