[HTML][HTML] Charge-4e supercurrent in a two-dimensional InAs-Al superconductor-semiconductor heterostructure

C Ciaccia, R Haller, ACC Drachmann… - Communications …, 2024 - nature.com
Superconducting qubits with intrinsic noise protection offer a promising approach to improve
the coherence of quantum information. Crucial to such protected qubits is the encoding of …

Gate‐Defined Josephson Weak‐Links in Monolayer WTe2

MD Randle, M Hosoda, RS Deacon… - Advanced …, 2023 - Wiley Online Library
Abstract Systems combining superconductors with topological insulators offer a platform for
the study of Majorana bound states and a possible route to realize fault tolerant topological …

[HTML][HTML] Supercurrent in Bi4Te3 Topological Material-Based Three-Terminal Junctions

J Kölzer, AR Jalil, D Rosenbach, L Arndt, G Mussler… - Nanomaterials, 2023 - mdpi.com
In this paper, in an in situ prepared three-terminal Josephson junction based on the
topological insulator Bi 4 Te 3 and the superconductor Nb the transport properties are …

Observation of half-integer Shapiro steps in graphene Josephson junctions

Z Huang, BH Elfeky, T Taniguchi, K Watanabe… - Applied Physics …, 2023 - pubs.aip.org
We study quantum transport and AC Josephson effect of hexagonal boron nitride
encapsulated graphene (BGB) Josephson junctions (JJs). Our experiments reveal the …

Charge-4e supercurrent in an InAs-Al superconductor-semiconductor heterostructure

C Ciaccia, R Haller, ACC Drachmann… - arXiv preprint arXiv …, 2023 - arxiv.org
Superconducting qubits with intrinsic noise protection offer a promising approach to improve
the coherence of quantum information. Crucial to such protected qubits is the encoding of …

Supercurrent, multiple Andreev reflections and Shapiro steps in InAs nanosheet Josephson junctions

S Yan, H Su, D Pan, W Li, Z Lyu, M Chen, X Wu… - Nano Letters, 2023 - ACS Publications
We report an experimental study of proximity induced superconductivity in planar Josephson
junction devices made from free-standing InAs nanosheets. The nanosheets are grown by …

Ballistic surface channels in fully in situ defined BiTe Josephson junctions with aluminum contacts

D Rosenbach, AR Jalil, TW Schmitt… - arXiv preprint arXiv …, 2023 - arxiv.org
In this letter we report on the electrical transport properties of Bi $ _4 $ Te $ _3 $ in a
Josephson junction geometry using superconducting Al electrodes with a Ti interdiffusion …

Vertical Josephson field-effect transistors based on black phosphorus

Z Xu, W Chen, J Huang, W Tian, S Chen, W Yue… - Applied Physics …, 2021 - pubs.aip.org
The gate-tunable Josephson junction, generally achieved in planar Josephson field-effect
transistors (JoFETs), is a key element for the applications of superconducting devices. At …

Bismuth nanowires with in situ shadow deposited Josephson junctions

H Wang, RS Deacon, K Ishibashi - Applied Physics Letters, 2022 - pubs.aip.org
Single crystal bismuth nanowires have been recently identified as a high-order topological
system, in which the crystal “hinges” host a one dimensional helical transport channel. To …

Probing Topological Superconductivity of oxide nanojunctions using fractional Shapiro steps

C Guarcello, A Maiellaro, J Settino, I Gaiardoni… - arXiv preprint arXiv …, 2024 - arxiv.org
We theoretically discuss the emergence of fractional Shapiro steps in a Josephson junction
created by confining a two-dimensional electron gas at an oxide interface. This …