23 citations · 42 across the 14 of their papers we have counts for
14 papers
Low-Frequency Charge Noise in Bilayer Graphene Quantum Dots
Jessica Richter, Max J. Ruckriegel, Jonas D. Gerber +12
Bilayer graphene (BLG) quantum dots (QDs) are a promising platform for semiconductor qubits. However, the low-frequency charge noise that may ultimately limit coherence has remaine…
Proximity-induced superconductivity in a bilayer graphene quantum point contact
Clara Galante-Agero, Christoph Adam, Artem O. Denisov +9
We report the realization of a gate-defined quantum point contact (QPC) in bilayer graphene proximitized by a single aluminum superconducting electrode. Superconducting correlation…
Fully gapped superconductivity in magic-angle graphene Cooper-pair islands
Alexandra Mestre-Torà, Marta Perego, Clara Galante Agero +5
The mechanism behind superconductivity in magic-angle graphene systems remains an open question. Recent tunnelling and superfluid stiffness measurements have suggested a nodal supe…
Valleytronics in 2D Materials Roadmap
Kyle L. Seyler, Giancarlo Soavi, Bent Weber +30
Valleytronics exploits non-equivalent energy extrema in the electronic band structure of crystalline solids -- the valley degree of freedom -- to encode, manipulate, and read out i…
Non-equilibrium transport reveals energy level degeneracy
Artem O. Denisov, Christoph Adam, Hadrien Duprez +7
We demonstrate a method to determine energy level degeneracies using non-equilibrium electronic transport through voltage-biased quantum dots. We establish the general validity of…
Pearl-Vortex Tunneling in Magic-Angle Twisted Graphene
Marta Perego, Peter Koopmann, Clara Galante Agero +8
Twisted graphene provides a tunable platform for studying superconductivity in two dimensions. In the presence of electric currents and magnetic fields, vortices determine the phen…
Time-resolved Charge Detection in Transition Metal Dichalcogenide Quantum Dots
Markus Niese, Michele Masseroni, Clara Scherm +10
We investigate electronic transport through gate-defined quantum dots in molybdenum disulfide MoS using an integrated charge detector. We observe a crossover from two weakly co…
Microwave spectroscopy of few-carrier states in bilayer graphene quantum dots
Max J. Ruckriegel, Christoph Adam, Rebecca Bolt +8
Bilayer graphene is a maturing material platform for gate-defined quantum dots that hosts long-lived spin and valley states. Implementing solid-state qubits in bilayer graphene req…
Spin-valley 0.7 anomaly in bilayer graphene/WSe quantum point contacts
Jonas D. Gerber, Efe Ersoy, Michele Masseroni +10
We report a well-resolved 0.7 conductance anomaly at in bilayer graphene/WSe quantum point contacts. Proximity-enhanced spin-orbit coupling splits the f…
Tunable spin-orbit splitting in bilayer graphene/WSe quantum devices
Jonas D. Gerber, Efe Ersoy, Michele Masseroni +14
Bilayer graphene (BLG)-based quantum devices represent a promising platform for emerging technologies, such as quantum computing and spintronics. However, their intrinsically weak…
Entropy spectroscopy of a bilayer graphene quantum dot
Christoph Adam, Hadrien Duprez, Natalie Lehmann +13
We measure the entropy change of charge transitions in an electrostatically defined quantum dot in bilayer graphene. Entropy provides insights into the equilibrium thermodynamic pr…
Experimental detection of vortices in magic-angle graphene
Marta Perego, Clara Galante Agero, Alexandra Mestre Torà +9
The tunability of superconducting magic-angle twisted-layer graphene films elevates this material system to a promising candidate for superconducting electronics. We implement a ga…
Quasiparticle and superfluid dynamics in Magic-Angle Graphene
Elías Portolés, Marta Perego, Pavel A. Volkov +12
Magic-Angle Twisted Bilayer Graphene shows a wide range of correlated phases which are electrostatically tunable. Despite a growing knowledge of the material, there is yet no conse…
Spin-Valley Protected Kramers Pair in Bilayer Graphene
Artem O. Denisov, Veronika Reckova, Solenn Cances +11
The intrinsic valley degree of freedom makes bilayer graphene (BLG) a unique platform for semiconductor qubits. The single-carrier quantum dot (QD) ground state exhibits a two-fold…