158 citations · 2k across the 77 of their papers we have counts for
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Capacitance sensing in bilayer graphene with gate reflectometry
Tamás Kalmár, Gergő Fülöp, Bálint Szentpéteri +5
In the search for topological states in bilayer graphene, capacitance measurement methods are widely utilized in bridge type readouts or source-drain reflectometry setups. In this…
Efficient non-volatile electric control of magnetosensing in CrSBr
Bálint Fülöp, Yeonsu Jeong, Sofia Ferreira-Teixeira +10
In two-dimensional crystals, electrostatic gating can modulate the charge carrier density, thereby tuning their electrical properties. In magnetic materials such as CrSBr, this app…
Effect of pressure on the magnetic properties of (CoFe)GeTe
Tamás Prok, Zoltán Kovács-Krausz, Harvey Stanfield +9
Cobalt-doped FeGeTe possesses a rich magnetic phase diagram as a function of Co concentration. The nature of magnetic order in (CoFe)GeTe is especia…
Universal logic circuit for gate-controlled superconductor-based switches operating at liquid-helium temperatures
Martin Berke, Lőrinc Kupás, Tosson Elalaily +3
The observation of the gate-controlled supercurrent (GCS) effect in superconducting nanostructures initiated major research efforts toward the realisation of superconducting-based…
Tuning proximity-induced spin-orbit coupling in graphene/WSe heterostructures
Tobias Rockinger, Bálint Szentpéteri, Szabolcs Csonka +10
Recently, proximity-induced spin-orbit coupling (SOC) has been observed in heterostructures consisting of monolayer graphene (ML-G) and transition metal dichalcogenides (TMDCs) suc…
Pressure-tunable phase transitions in atomically thin Chern insulator MnBiTe
Albin Marffy, Endre Tovari, Yu-Fei Liu +8
Topological insulators lacking time-reversal symmetry can exhibit the quantum anomalous Hall effect. Odd-layer thick MnBiTe is a promising platform due to its intrinsic mag…
Impact of current-induced magnons on spin-orbit torque analysis
Tamás Prok, Jan Hidding, Szabolcs Csonka +3
The second-harmonic Hall technique is a widely used, sensitive method for studying the spin-orbit torques generated by charge current. It exploits the dependence of the Hall resist…
Multimode operation of a superconducting nanowire switch in the nanosecond regime
Zoltán Scherübl, Mátyás Kocsis, Tosson Elalaily +8
Superconducting circuits are promising candidates for future computational architectures, however, practical applications require fast operation. Here, we demonstrate fast, gate-ba…
Increasing the proximity induced spin-orbit coupling in bilayer graphene/WSe heterostructures with pressure
Bálint Szentpéteri, Albin Márffy, Máté Kedves +8
Combining graphene with transition metal dichalcogenides (TMDs) leads to enhanced spin-orbit coupling (SOC) in the graphene. The induced SOC has a large effect on the low-energy pa…
Heteroatomic Andreev molecule in a superconducting island-double quantum dot hybrid
Olivér Kürtössy, Mihály Bodócs, Cătălin Paşcu Moca +7
Topological superconductors (SCs) hold great promise for fault-tolerant quantum hardware, however, their experimental realization is very challenging. Recently, superconducting art…
Determination of the current-phase relation of an InAs 2DEG Josephson junction with a microwave resonator
Zoltán Scherübl, Máté Sütő, Dávid Kóti +10
Semiconductor-superconductor hybrid nanocircuits are of high interest due to their potential applications in quantum computing. Semiconductors with a strong spin-orbit coupling and…
Self-heating effects and switching dynamics in graphene multiterminal Josephson junctions
Máté Kedves, Tamás Pápai, Gergő Fülöp +4
We experimentally investigate the electronic transport properties of a three-terminal graphene Josephson junction. We find that self-heating effects strongly influence the behaviou…
Electron quantum optics in graphene
Himadri Chakraborti, Cosimo Gorini, Angelika Knothe +9
In the last decade, graphene has become an exciting platform for electron optical experiments, in many aspects superior to conventional two-dimensional electron gases (2DEGs). A ma…
Switching dynamics in Al/InAs nanowire-based gate-controlled superconducting switch
Tosson Elalaily, Martin Berke, Ilari Lilja +8
The observation of the gate-controlled supercurrent (GCS) effect in superconducting nanostructures increased the hopes for realizing a superconducting equivalent of semiconductor f…
Signature of pressure-induced topological phase transition in ZrTe
Zoltán Kovács-Krausz, Dániel Nagy, Albin Márffy +9
The layered van der Waals material ZrTe is known as a candidate topological insulator (TI), however its topological phase and the relation with other properties such as an appa…
Strong nonlocal tuning of the current-phase relation of a quantum dot based Andreev molecule
Mátyás Kocsis, Zoltán Scherübl, Gergő Fülöp +2
Multiple systems hosting Andreev molecular states have been proposed and studied, consisting of closely spaced Josephson junctions modeled as ballistic channels. We show that repla…
Stabilizing the inverted phase of a WSe/BLG/WSe heterostructure via hydrostatic pressure
Máté Kedves, Bálint Szentpéteri, Albin Márffy +8
Bilayer graphene (BLG) was recently shown to host a band-inverted phase with unconventional topology emerging from the Ising-type spin--orbit interaction (SOI) induced by the proxi…
Quantum transport properties of tantalum-oxide resistive switching filaments
Tímea Nóra Török, Péter Makk, Zoltán Balogh +2
Filamentary resistive switching devices are not only considered as promising building blocks for brain-inspired computing architectures, but they also realize an unprecedented oper…
Signatures of gate-driven out of equilibrium superconductivity in Ta/InAs nanowires
Tosson Elalaily, Martin Berke, Máté Kedves +6
Understanding the microscopic origin of the gate-controlled supercurrent (GCS) in superconducting nanobridges is crucial for engineering superconducting switches suitable for a var…
Revealing the band structure of ZrTe using Multicarrier Transport
Zoltán Kovács-Krausz, Endre Tóvári, Dániel Nagy +9
The layered material ZrTe appears to exhibit several exotic behaviors which resulted in significant interest recently, although the exact properties are still highly debated. A…
Near-surface InAs 2DEG on a GaAs substrate: characterization and superconducting proximity effect
Máté Sütő, Tamás Prok, Péter Makk +4
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 mob…
Parallel InAs nanowires for Cooper pair splitters with Coulomb repulsion
Olivér Kürtössy, Zoltán Scherübl, Gergő Fülöp +5
Hybrid nanostructures consisting of two parallel InAs nanowires connected by an epitaxially grown superconductor (SC) shell recently became available. Due to the defect-free SC-sem…
Tailoring the band structure of twisted double bilayer graphene with pressure
Bálint Szentpéteri, Peter Rickhaus, Folkert K. de Vries +8
Twisted two-dimensional structures open new possibilities in band structure engineering. At magic twist angles, flat bands emerge, which give a new drive to the field of strongly c…
Gate-controlled supercurrent in epitaxial Al/InAs nanowires
Tosson Elalaily, Olivér Kürtössy, Zoltán Scherübl +9
Gate-controlled supercurrent (GCS) in superconductor nanobridges has recently attracted attention as a means to create superconducting field effect transistors. Despite the clear a…