165 citations · 315 across the 40 of their papers we have counts for
42 papers
Electrically Tunable Two-Component Exciton Condensate in a Coulomb-Coupled Graphene Trilayer
Bo Zou, A. Okounkova, Shuaiqing Zhang +5
Multicomponent condensates possess internal phase degrees of freedom unavailable to a single-component condensate, yet their components are rarely controllable in solids. Here we r…
High-field Josephson effect enabled by a moiré Hofstadter spectrum
A. Díez-Carlón, M. Cárdenes Wuttig, N. Wei +7
Magnetic fields generally suppress phase-coherent Josephson transport, limiting superconducting interferometry to relatively low fields. Here we show that moiré-engineered graphene…
Exciton Formation in Two-Dimensional Semiconductors
K. Mourzidis, V. Jindal, M. Glazov +10
The optical properties of atomically thin semiconductors are dominated by excitons, tightly bound electron-hole pairs, which give rise to particularly rich and remarkable physics.…
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…
Chern junctions in Moiré-Patterned Graphene/PbI2
Sun Yan, M. Monteverde, V. Derkach +5
Expanding the moire material library continues to unlock novel quantum phases and emergent electronic behaviors. Here, we introduce PbI2 into the moire family and investigate the m…
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…
Revealing electron-electron interactions in graphene at room temperature with the quantum twisting microscope
M. Lee, I. Das, J. Herzog-Arbeitman +20
The Quantum Twisting Microscope (QTM) is a groundbreaking instrument that enables energy- and momentum-resolved measurements of quantum phases via tunneling spectroscopy across twi…
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…
Non-Reciprocal Current-Phase Relation and Superconducting Diode Effect in Topological-Insulator-Based Josephson Junctions
A. Kudriashov, X. Zhou, R. A. Hovhannisyan +11
Josephson junctions (JJ) are essential for superconducting quantum technologies and searches of self-conjugate quasiparticles, pivotal for fault-tolerant quantum computing. Measuri…
Probing the flat-band limit of the superconducting proximity effect in Twisted Bilayer Graphene Josephson junctions
A. Diez-Carlon, J. Diez-Merida, P. Rout +13
While extensively studied in normal metals, semimetals and semiconductors, the superconducting (SC) proximity effect remains elusive in the emerging field of flat-band systems. In…
Optical response of WSe-based vertical tunneling junction
K. Walczyk, G. Krasucki, K. Olkowska-Pucko +7
Layered materials have attracted significant interest because of their unique properties. Van der Waals heterostructures based on transition-metal dichalcogenides have been extensi…
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…
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…
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 superconductivity with competing orders in twisted bilayer graphene near magic-angle
Ranit Dutta, Ayan Ghosh, Shinjan Mandal +6
Superconductivity (SC) in twisted bilayer graphene (tBLG) has been explored by varying carrier concentrations, twist angles, and screening strength, with the aim of uncovering its…
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…
Infrared spectroscopy of phase transitions in the lowest Landau levels of bilayer graphene
B. Jordan Russell, Matheus Schossler, Jesse Balgley +6
We perform infrared magneto-spectroscopy of Landau level (LL) transitions in dual-gated bilayer graphene. At when the zeroth LL (octet) is filled, two resonances are observed…