115 citations · 590 across the 18 of their papers we have counts for
18 papers
Buried germanium quantum well proximitised by magnetic field-resilient superconducting platinum iridium germanosilicide
Praveen Viswanathan, Erik Lemmens Sjöstrand, Davide Costa +8
Hybrid superconductor-semiconductor systems provide a versatile platform for quantum technologies, ranging from superconducting-spin interfaces to topological quantum devices. Prog…
Phase controlled multi-terminal Josephson junction in ternary hybrid nanowire
Sabbir A. Kahn, Lukas Stampfer, Sara Marti-Sanchez +7
This work presents multiterminal Josephson junctions in hybrid semiconductor-superconductor InAsSb-Al nanocrosses. Hybrid nanocrosses are grown using molecular beam epitaxy and are…
Cryogenic performance of field-effect transistors and amplifiers based on selective area grown InAs nanowires
Giulia Meucci, Dags Olšteins, Damon J. Carrad +6
Indium-Arsenide (InAs) nanowire field-effect transistors (NWFETs) are promising platforms for high-speed, low-power nanoelectronics operating at cryogenic conditions, relevant for…
Engineering Ge profiles in Si/SiGe heterostructures for increased valley splitting
Lucas E. A. Stehouwer, Merrit P. Losert, Maia Rigot +6
Electron spin qubits in Si/SiGe quantum wells are limited by the small and variable energy separation of the conduction band valleys. While sharp quantum well interfaces are pursue…
Reducing disorder in Ge quantum wells by using thick SiGe barriers
Davide Costa, Lucas E. A. Stehouwer, Yi Huang +4
We investigate the disorder properties of two-dimensional hole gases in Ge/SiGe heterostructures grown on Ge wafers, using thick SiGe barriers to mitigate the influence of the semi…
Artificial Intelligence-Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling
Marc Botifoll, Ivan Pinto-Huguet, Enzo Rotunno +17
(Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the…
Statistical Reproducibility of Selective Area Grown InAs Nanowire Devices
Dāgs Olšteins, Gunjan Nagda, Damon J. Carrad +5
New approaches such as selective area growth, where crystal growth is lithographically controlled, allow the integration of bottom-up grown semiconductor nanomaterials in large-sca…
Cryogenic Multiplexing with Bottom-Up Nanowires
Dāgs Olšteins, Gunjan Nagda, Damon J. Carrad +5
Bottom-up grown nanomaterials play an integral role in the development of quantum technologies. Among these, semiconductor nanowires (NWs) are widely used in proof-of-principle exp…
Epitaxially Driven Phase Selectivity of Sn in Hybrid Quantum Nanowires
Sabbir A. Khan, Sara Martí-Sánchez, Dags Olsteins +8
Hybrid semiconductor/superconductor nanowires constitute a pervasive platform for studying gate-tunable superconductivity and the emergence of topological behavior. Their low-dimen…
Hard superconducting gap in germanium
Alberto Tosato, Vukan Levajac, Ji-Yin Wang +9
The co-integration of spin, superconducting, and topological systems is emerging as an exciting pathway for scalable and high-fidelity quantum information technology. High-mobility…
Majorana-like Coulomb spectroscopy in the absence of zero bias peaks
Marco Valentini, Maksim Borovkov, Elsa Prada +7
Hybrid semiconductor-superconductor devices hold great promise for realizing topological quantum computing with Majorana zero modes (MZMs). However, multiple claims of Majorana det…
Doubling the mobility of InAs/InGaAs selective area grown nanowires
Daria V. Beznasyuk, Sara Martí-Sánchez, Jung-Hyun Kang +12
Selective area growth (SAG) of nanowires and networks promise a route toward scalable electronics, photonics and quantum devices based on III-V semiconductor materials. The potenti…
Enhancement of Proximity Induced Superconductivity in a Planar Ge Hole Gas
Kushagra Aggarwal, Andrea Hofmann, Daniel Jirovec +9
Hole gases in planar germanium can have high mobilities in combination with strong spin-orbit interaction and electrically tunable g-factors, and are therefore emerging as a promis…
Semiconductor - Ferromagnetic Insulator - Superconductor Nanowires: Stray Field and Exchange Field
Yu Liu, Saulius Vaitiekenas, Sara Marti-Sanchez +12
Nanowires can serve as flexible substrates for hybrid epitaxial growth on selected facets, allowing for design of heterostructures with complex material combinations and geometries…
Coherent Epitaxial Semiconductor-Ferromagnetic Insulator InAs/EuS Interfaces: Band Alignment and Magnetic Structure
Yu Liu, Alessandra Luchini, Sara Martí-Sánchez +16
Hybrid semiconductor-ferromagnetic insulator heterostructures are interesting due to their tunable electronic transport, self-sustained stray field and local proximitized magnetic…
Template-assisted scalable nanowire networks
Martin Friedl, Kris Cerveny, Pirmin Weigele +15
Topological qubits based on Majorana fermions have the potential to revolutionize the emerging field of quantum computing by making information processing significantly more robust…
Field effect enhancement in buffered quantum nanowire networks
Filip Krizek, Joachim E. Sestoft, Pavel Aseev +15
III-V semiconductor nanowires have shown great potential in various quantum transport experiments. However, realizing a scalable high-quality nanowire-based platform that could lea…
Selective Area Grown Semiconductor-Superconductor Hybrids: A Basis for Topological Networks
S. Vaitiekėnas, A. M. Whiticar, M. T. Deng +8
We introduce selective area grown hybrid InAs/Al nanowires based on molecular beam epitaxy, allowing arbitrary semiconductor-superconductor networks containing loops and branches.…