Near-surface InAs two-dimensional electron gas on a GaAs substrate: Characterization and superconducting proximity effect

M Sütő, T Prok, P Makk, M Kirti, G Biasiol, S Csonka… - Physical Review B, 2022 - APS
We have studied a near-surface two-dimensional electron gas based on an InAs quantum
well on a GaAs substrate. In devices without a dielectric layer we estimated large electron …

Growth variations and scattering mechanisms in metamorphic In0. 75Ga0. 25As/In0. 75 Al0. 25As quantum wells grown by molecular beam epitaxy

C Chen, I Farrer, SN Holmes, F Sfigakis… - Journal of Crystal …, 2015 - Elsevier
Abstract Modulation doped metamorphic In 0.75 Ga 0.25 As/In 0.75 Al 0.25 As quantum
wells (QW) were grown on GaAs substrates by molecular beam epitaxy (MBE) with step …

[HTML][HTML] Repairing the surface of InAs-based topological heterostructures

SJ Pauka, JDS Witt, CN Allen… - Journal of Applied …, 2020 - pubs.aip.org
Candidate systems for topologically-protected qubits include two-dimensional electron
gases (2DEGs) based on heterostructures exhibiting a strong spin–orbit interaction and …

[HTML][HTML] Optimization of In-Situ Growth of Superconducting Al/InAs Hybrid Systems on GaAs for the Development of Quantum Electronic Circuits

M Kirti, M Sütő, E Tóvári, P Makk, T Prok, S Csonka… - Materials, 2025 - mdpi.com
Hybrid systems consisting of highly transparent channels of low-dimensional
semiconductors between superconducting elements allow the formation of quantum …

Influence of an Overshoot Layer on the Morphological, Structural, Strain, and Transport Properties of InAs Quantum Wells

O Arif, L Canal, E Ferrari, C Ferrari, L Lazzarini, L Nasi… - Nanomaterials, 2024 - mdpi.com
InAs quantum wells (QWs) are promising material systems due to their small effective mass,
narrow bandgap, strong spin–orbit coupling, large g-factor, and transparent interface to …

Metamorphic InAs/InGaAs QWs with electron mobilities exceeding 7× 105 cm2/Vs

A Benali, P Rajak, R Ciancio, JR Plaisier, S Heun… - Journal of Crystal …, 2022 - Elsevier
We present a study on the influence of strain-relieving InAlAs buffer layers on metamorphic
InAs/InGaAs quantum wells grown by molecular beam epitaxy on GaAs. Residual strain in …

Postgrowth Sha** and Transport Anisotropy in Two-Dimensional InAs Nanofins

J Seidl, JG Gluschke, X Yuan, HH Tan, C Jagadish… - ACS …, 2021 - ACS Publications
We report on the postgrowth sha** of free-standing two-dimensional (2D) InAs nanofins
that are grown by selective-area epitaxy and mechanically transferred to a separate …

Magnetic ordering effects in a Mn-modulation-doped high mobility two-dimensional hole system

U Wurstbauer, W Wegscheider - Physical Review B—Condensed Matter and …, 2009 - APS
We have studied the magnetotransport properties of a manganese (Mn)-modulation-doped
high mobility two-dimensional hole system in a strained InAs quantum well (QW) structure …

Andreev reflection at the edge of a two-dimensional electron system with strong spin-orbit coupling

A Kononov, G Biasiol, L Sorba, EV Deviatov - JETP letters, 2013 - Springer
We experimentally investigate transport properties of a single planar junction between the
niobium superconductor and the edge of a two-dimensional electron system in a narrow In …

Electron mobility anisotropy in InAs/GaAs (001) heterostructures

SP Le, T Suzuki - Applied Physics Letters, 2021 - pubs.aip.org
Electron transport properties in InAs films epitaxially grown on GaAs (001), InAs/GaAs (001)
heterostructures, were systematically investigated through the dependence on crystal …