77 citations · 569 across the 19 of their papers we have counts for
19 papers
Weak localization as probe of spin-orbit-induced spin-split bands in bilayer graphene proximity coupled to WSe
E. Icking, F. Wörtche, A. W. Cummings +6
Proximity coupling of bilayer graphene (BLG) to transition metal dichalcogenides (TMDs) offers a promising route to engineer gate-tunable spin-orbit coupling (SOC) while preserving…
Electric field tunable spin-orbit gap in a bilayer graphene/WSe quantum dot
Hubert Dulisch, David Emmerich, Eike Icking +7
We report on the investigation of proximity-induced spin-orbit coupling (SOC) in a heterostructure of bilayer graphene (BLG) and tungsten diselenide (WSe). A BLG quantum dot (Q…
Gate-defined single-electron transistors in twisted bilayer graphene
Alexander Rothstein, Ammon Fischer, Anthony Achtermann +12
Twisted bilayer graphene (tBLG) near the magic angle is a unique platform where the combination of topology and strong correlations gives rise to exotic electronic phases. These ph…
Ultra-steep slope cryogenic FETs based on bilayer graphene
E. Icking, D. Emmerich, K. Watanabe +5
Cryogenic field-effect transistors (FETs) offer great potential for a wide range of applications, the most notable example being classical control electronics for quantum informati…
Terahertz photocurrent probe of quantum geometry and interactions in magic-angle twisted bilayer graphene
Roshan Krishna Kumar, Geng Li, Riccardo Bertini +24
Moiré materials represent strongly interacting electron systems bridging topological and correlated physics. Despite significant advances, decoding wavefunction properties underlyi…
Electronic and Spin-Orbit Properties of hBN Encapsulated Bilayer Graphene
Klaus Zollner, Eike Icking, Jaroslav Fabian
Van der Waals (vdW) heterostructures consisting of Bernal bilayer graphene (BLG) and hexagonal boron nitride (hBN) are investigated. By performing first-principles calculations we…
Impact of competing energy scales on the shell-filling sequence in elliptic bilayer graphene quantum dots
Samuel Möller, Luca Banszerus, Angelika Knothe +7
We report on a detailed investigation of the shell-filling sequence in electrostatically defined elliptic bilayer graphene quantum dots (QDs) in the regime of low charge carrier oc…
Particle-hole symmetry protects spin-valley blockade in graphene quantum dots
Luca Banszerus, Samuel Möller, Katrin Hecker +6
Particle-hole symmetry plays an important role for the characterization of topological phases in solid-state systems. It is found, for example, in free-fermion systems at half fill…
Coherent Charge Oscillations in a Bilayer Graphene Double Quantum Dot
Katrin Hecker, Luca Banszerus, Aaron Schäpers +7
The coherent dynamics of a quantum mechanical two-level system passing through an anti-crossing of two energy levels can give rise to Landau-Zener-Stückelberg-Majorana (LZSM) inter…
Transport spectroscopy of ultraclean tunable band gaps in bilayer graphene
E. Icking, L. Banszerus, F. Wörtche +11
The importance of controlling both the charge carrier density and the band gap of a semiconductor cannot be overstated, as it opens the doors to a wide range of applications, inclu…
Spin relaxation in a single-electron graphene quantum dot
L. Banszerus, K. Hecker, S. Möller +5
The relaxation time of a single-electron spin is an important parameter for solid-state spin qubits, as it directly limits the lifetime of the encoded information. Thanks to the lo…
Probing two-electron multiplets in bilayer graphene quantum dots
Samuel Möller, Luca Banszerus, Angelika Knothe +10
We report on finite bias spectroscopy measurements of the two-electron spectrum in a gate defined bilayer graphene (BLG) quantum dot for varying magnetic fields. The spin and valle…
Spin-valley coupling in single-electron bilayer graphene quantum dots
Luca Banszerus, Samuel Möller, Corinne Steiner +7
Understanding how the electron spin is coupled to orbital degrees of freedom, such as a valley degree of freedom in solid-state systems is central to applications in spin-based ele…
Pulsed-gate spectroscopy of single-electron spin states in bilayer graphene quantum dots
Luca Banszerus, Katrin Hecker, Eike Icking +7
Graphene and bilayer graphene quantum dots are promising hosts for spin qubits with long coherence times. Although recent technological improvements make it possible to confine sin…
Dispersive sensing of charge states in a bilayer graphene quantum dot
Luca Banszerus, Samuel Möller, Eike Icking +7
We demonstrate dispersive readout of individual charge states in a gate-defined few-electron quantum dot in bilayer graphene. We employ a radio frequency reflectometry circuit, whe…
Tunable interdot coupling in few-electron bilayer graphene double quantum dots
Luca Banszerus, Alexander Rothstein, Eike Icking +5
We present a highly controllable double quantum dot device based on bilayer graphene. Using a device architecture of interdigitated gate fingers, we can control the interdot tunnel…
Electron-hole crossover in gate-controlled bilayer graphene quantum dots
Luca Banszerus, Alexander Rothstein, Thomas Fabian +10
Electron and hole Bloch states in gapped bilayer graphene exhibit topological orbital magnetic moments with opposite signs near the band edges, which allows for tunable valley-pola…
Electrostatic detection of Shubnikov-de-Haas oscillations in bilayer graphene by Coulomb resonances in gate-defined quantum dots
Luca Banszerus, Thomas Fabian, Samuel Möller +11
A gate-defined quantum dot in bilayer graphene is utilized as a sensitive electrometer for probing the charge density of its environment. Under the influence of a perpendicular mag…
Single-electron double quantum dots in bilayer graphene
Luca Banszerus, Samuel Möller, Eike Icking +4
We present transport measurements through an electrostatically defined bilayer graphene double quantum dot in the single electron regime. With the help of a back gate, two split ga…