Magnetic topological insulators

Y Tokura, K Yasuda, A Tsukazaki - Nature Reviews Physics, 2019 - nature.com
The importance of global band topology is unequivocally recognized in condensed matter
physics, and new states of matter, such as topological insulators, have been discovered …

Opportunities in topological insulator devices

O Breunig, Y Ando - Nature Reviews Physics, 2022 - nature.com
Topological insulators (TIs) hold promise as a platform for unique quantum phenomena.
However, realizing these phenomena experimentally requires sophisticated devices. In this …

Selective area growth and stencil lithography for in situ fabricated quantum devices

P Schüffelgen, D Rosenbach, C Li, TW Schmitt… - Nature …, 2019 - nature.com
The interplay of Dirac physics and induced superconductivity at the interface of a 3D
topological insulator (TI) with an s-wave superconductor (S) provides a new platform for …

Revealing Intrinsic Superconductivity of the Nb/BiSbTe2Se Interface

A Kudriashov, I Babich… - Advanced Functional …, 2022 - Wiley Online Library
Typically, topological superconductivity is reachable via proximity effect by a direct
deposition of superconductor (S) on top of a topological insulator (TI) surface. Here, the …

Robust and fragile Majorana bound states in proximitized topological insulator nanoribbons

D Heffels, D Burke, MR Connolly, P Schüffelgen… - Nanomaterials, 2023 - mdpi.com
Topological insulator (TI) nanoribbons with proximity-induced superconductivity are a
promising platform for Majorana bound states (MBSs). In this work, we consider a detailed …

Engineering Epitaxial Interfaces for Topological Insulator—Superconductor Hybrid Devices with Al Electrodes

AR Jalil, TW Schmitt, P Rüßmann… - Advanced Quantum …, 2024 - Wiley Online Library
Proximity‐induced superconductivity in hybrid devices of topological insulators and
superconductors offers a promising platform for the pursuit of elusive topological …

Anomalous temperature dependence of multiple Andreev reflections in a topological insulator Josephson junction

TW Schmitt, B Frohn, W Wittl, AR Jalil… - Superconductor …, 2022 - iopscience.iop.org
As a promising platform for unconventional superconductivity, Josephson junctions (JJs) of
tetradymite topological insulators (TIs) and s-wave superconductors have been investigated …

Low-damage electron beam lithography for nanostructures on B i 2 T e 3-class topological insulator thin films

MP Andersen, LK Rodenbach, IT Rosen… - Journal of Applied …, 2023 - pubs.aip.org
Nanostructured topological insulators (TIs) have the potential to impact a wide array of
condensed matter physics topics, ranging from Majorana physics to spintronics. However …

Magnetotransport signatures of three-dimensional topological insulator nanostructures

K Moors, P Schüffelgen, D Rosenbach, T Schmitt… - Physical Review B, 2018 - APS
We study the magnetotransport properties of patterned 3D topological insulator
nanostructures with several leads, such as kinks or Y-junctions, near the Dirac point with …

Exploiting topological matter for Majorana physics and devices

P Schüffelgen, T Schmitt, M Schleenvoigt… - Solid-State …, 2019 - Elsevier
Quantum computing promises to solve problems, which are impossible for classical
computers. Among the different schemes of how to design a quantum computer, one …