295 citations · 1.7k across the 81 of their papers we have counts for
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Fermion parity of an Andreev molecule probed by nonlocal Josephson effect
S. Annabi, H. Riechert, K. Watanabe +5
Fermion parity is a fundamental property of superconducting many-body states. Here, we show that the global fermion parity of a delocalized superconducting state can be detected lo…
Probing moire excitons in MoSe2/WSe2 heterobilayers by combined micro-photoluminescence and lateral force microscopy
L. Caussou, H. Moutaabbid, M. Bernard +6
We study interlayer excitons in MoSe2/WSe2 heterobilayers, by combining lateral force microscopy and micro-photoluminescence spectroscopy. This allows us to correlate the spatial p…
Hard and soft phase slips in a Fabry-Pérot quantum Hall interferometer
N. L. Samuelson, L. A. Cohen, W. Wang +5
Quantum Hall Fabry-Pérot interferometers are sensitive to the properties of bulk quasiparticles enclosed by the interferometer loop, with the interference phase containing informat…
Interaction-limited conductivity of twisted bilayer graphene revealed by giant terahertz photoresistance
A. L. Shilov, M. Kravtsov, J. Covey +15
Identifying the microscopic processes that limit conductivity is essential for understanding correlated and quantum-critical states in quantum materials. In twisted bilayer graphen…
Milli-Tesla Quantization enabled by Tuneable Coulomb Screening in Large-Angle Twisted Graphene
I. Babich, I. Reznikov, I. Begichev +15
The electronic quality of graphene has improved significantly over the past two decades, revealing novel phenomena. However, even state-of-the-art devices exhibit substantial spati…
The Interacting Energy Bands of Magic Angle Twisted Bilayer Graphene Revealed by the Quantum Twisting Microscope
J. Xiao, A. Inbar, J. Birkbeck +6
Electron interactions in quantum materials fundamentally shape their energy bands and, with them, the material's most intriguing quantum phases. Magic angle twisted bilayer graphen…
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…
Stripe Order in the Metallic and Superconducting Phases of Rhombohedral Hexalayer Graphene
Peiyu Qin, Hai-Tian Wu, Ron Q. Nguyen +5
In strongly correlated electronic systems, Coulomb interactions frequently give rise to emergent electronic orders that spontaneously break rotational symmetry. Understanding how s…
Enhanced shot noise in graphene quantum point contacts with electrostatic reconstruction
M. Garg, O. Maillet, N. L. Samuelson +13
Shot noise measurements in quantum point contacts are a powerful tool to investigate charge transport in the integer and fractional quantum Hall regime, in particular to unveil the…
Evidence of Momentum Space Condensation in Rhombohedral Hexalayer Graphene
Erin Morissette, Peiyu Qin, K. Watanabe +2
Spontaneous symmetry breaking provides a powerful window into the nature of underlying electronic orders. In strongly correlated systems, multiple symmetry-breaking orders can aris…
Spin-valley polarization control in WSe monolayers using photochemical doping
E. Katsipoulaki, K. Mourzidis, V. Jindal +9
We report on the influence of a photochemical doping method on the spin-valley polarization degree () of excitons in WSe monolayers. By varying the carrier density and t…
Efficient Electron Spin Relaxation by Chiral Phonons in WSe Monolayers
D. Lagarde, M. Glazov, V. Jindal +9
In transition metal dichalcogenide semiconductor monolayers the spin dynamics of electrons is controlled by the original spin-valley locking effect resulting from the interplay bet…
Brightened emission of dark trions in transition-metal dichalcogenide monolayers
V. Jindal, K. Mourzidis, A. Balocchi +10
The optical emission spectra of semiconducting transition-metal dichalcogenide monolayers highlight fascinating recombination processes of charged excitons (trions). When charge tu…
High-yield fabrication of bubble-free magic-angle twisted bilayer graphene devices with high twist-angle homogeneity
J. Diez-Merida, I. Das, G. Di Battista +7
Magic-angle twisted bilayer graphene (MATBG) stands as one of the most versatile materials in condensed-matter physics due to its hosting of a wide variety of exotic phases while a…
Josephson junctions based on ultraclean carbon nanotubes
S. Annabi, E. Arrighi, A. Peugeot +6
We present a technique for integrating ultraclean carbon nanotubes into superconducting circuits, aiming to realize Josephson junctions based on one-dimensional elementary quantum…
Characterization of a graphene-hBN superlattice field effect transistor
Won Beom Choi, Youngoh Son, Hangyeol Park +5
Graphene provides a unique platform for hosting high quality 2D electron systems. Encapsulating graphene with hexagonal boron nitride (hBN) to shield it from noisy environments off…
Anomalous terahertz photoconductivity caused by the superballistic flow of hydrodynamic electrons in graphene
M. Kravtsov, A. L. Shilov, Y. Yang +18
Light incident upon materials can induce changes in their electrical conductivity, a phenomenon referred to as photoresistance. In semiconductors, the photoresistance is negative,…
Ultra-low carrier density superconducting bolometers with single photon sensitivity based on magic-angle twisted bilayer graphene
G. Di Battista, K. C. Fong, A. Diez-Carlon +3
The superconducting (SC) state of magic-angle twisted bilayer graphene (MATBG) shows exceptional properties, as it consists of an unprecedentedly small electron (hole) ensemble of…
Circular THz ratchets in a 2D-modulated Dirac system
M. Hild, I. Yahniuk, L. E. Golub +6
We report on the observation of the circular ratchet effect excited by terahertz laser radiation in a specially designed two-dimensional metamaterial consisting of a graphene monol…
One-dimensional proximity superconductivity in the quantum Hall regime
Julien Barrier, Minsoo Kim, Roshan Krishna Kumar +16
Extensive efforts have been undertaken to combine superconductivity and the quantum Hall effect so that Cooper-pair transport between superconducting electrodes in Josephson juncti…
Electric field tunable edge transport in Bernal stacked trilayer graphene
Saurabh Kumar Srivastav, Adithi Udupa, K. Watanabe +3
This letter presents a non-local study on the electric field tunable edge transport in an hBN-encapsulated dual-gated Bernal stacked (ABA) trilayer graphene across various displace…
Distance dependence of the energy transfer mechanism in WS-graphene heterostructures
David Tebbe, Marc Schütte, K. Watanabe +4
We report on the mechanism of energy transfer in van der Waals heterostructures of the two-dimensional semiconductor WS and graphene with varying interlayer distances, achieved…
Quantum Transport and Spectroscopy of Two-dimensional Perovskite/Graphene Interfaces
Yan Sun, C. Morice, D. Garrot +5
Quantum transport properties in molecularly thin perovskite/graphene heterostructure are experimentally investigated by Shubnikov-de Hass (SdH) oscillation and photo-resistance spe…
Open-orbit induced low field extremely large magnetoresistance in graphene/h-BN superlattices
Zihao Wang, Pablo M. Perez-Piskunow, Calvin Pei Yu Wong +13
We report intriguing and hitherto overlooked low-field room temperature extremely large magnetoresistance (XMR) patterns in graphene/hexagonal boron nitride (h-BN) superlattices th…