290 citations · 658 across the 20 of their papers we have counts for
21 papers
Field-induced asymmetric band flattening and ideal quantum geometry in rhombohedral graphene
Hongyun Zhang, Jinxi Lu, Size Wu +17
Rhombohedral graphene exhibits an exceptionally diverse array of correlated phases that depend sensitively on the displacement field. Compiling reported phases into a unified phase…
Moiré-modulated valley in twisted bilayer and twisted double-bilayer MoTe
Wanying Chen, Hongyun Zhang, Jinxi Lu +18
Twisted MoTe hosts intriguing correlated quantum phenomena including the fractional quantum anomalous Hall effect in twisted bilayer (t-BL) MoTe near 3.7, which is…
Tunable electronic band structure in WSSe van der Waals Alloys
Meryem Bouaziz, Leonard Schue, Noeliarinala Felana Andriambelaza +12
The electronic structure of semiconducting 2D materials such as transition metal dichalcogenides (TMDs) is known to be tunable by its environment, from simple external fields appli…
Hybridization in van der Waals epitaxy of PtSe2/h-BN and PtSe2/graphene heterostructures
Meryem Bouaziz, Samir El Masaoudi, Aymen Mahmoudi +10
Van der Waals (vdW) heterostructures, which combine bi-dimensional materials of different properties, enable a range of quantum phenomena. Here, we present a comparative study betw…
Moiré enhanced flat band in rhombohedral graphene
Hongyun Zhang, Jinxi Lu, Kai Liu +17
The fractional quantum anomalous Hall effect (FQAHE) is a fascinating emergent quantum state characterized by fractionally charged excitations in the absence of magnetic field,whic…
Correlated topological flat bands in rhombohedral graphite
Hongyun Zhang, Qian Li, Michael G. Scheer +22
Flat bands and nontrivial topological physics are two important topics of condensed matter physics. With a unique stacking configuration analogous to the Su-Schrieffer-Heeger (SSH)…
Observation of dichotomic field-tunable electronic structure in twisted monolayer-bilayer graphene
Hongyun Zhang, Qian Li, Youngju Park +18
Twisted bilayer graphene (tBLG) provides a fascinating platform for engineering flat bands and inducing correlated phenomena. By designing the stacking architecture of graphene lay…
Evolution of flat band and role of lattice relaxations in twisted bilayer graphene
Qian Li, Hongyun Zhang, Yijie Wang +15
Magic-angle twisted bilayer graphene (MATBG) exhibits correlated phenomena such as superconductivity and Mott insulating state related to the weakly dispersing flat band near the F…
Robustness of momentum-indirect interlayer excitons in MoS2/WSe2 heterostructure against charge carrier doping
Ekaterina Khestanova, Tatyana Ivanova, Roland Gillen +13
Monolayer transition-metal dichalcogenide (TMD) semiconductors exhibit strong excitonic effects and hold promise for optical and optoelectronic applications. Yet, electron doping o…
Current driven insulator-to-metal transition without Mott breakdown in CaRuO
Davide Curcio, Charlotte E. Sanders, Alla Chikina +16
The electrical control of a material's conductivity is at the heart of modern electronics. Conventionally, this control is achieved by tuning the density of mobile charge carriers.…
Electronic band structure changes across the antiferromagnetic phase transition of exfoliated MnPS probed by -ARPES
Jeff Strasdas, Benjamin Pestka, Milosz Rybak +17
Exfoliated magnetic 2D materials enable versatile tuning of magnetization, e.g., by gating or providing proximity-induced exchange interaction. However, their electronic band struc…
Programming moiré patterns in 2D materials by bending
Mäelle Kapfer, Bjarke S. Jessen, Megan E. Eisele +20
Moiré superlattices in twisted two-dimensional materials have generated tremendous excitement as a platform for achieving quantum properties on demand. However, the moiré pattern i…
Hybridization and localized flat band in the WSe2/MoSe2 heterobilayer grown by molecular beam epitaxy
Lama Khalil, Debora Pierucci, Emilio Velez +9
Nearly localized moire flat bands in momentum space, arising at particular twist angles, are the key to achieve correlated effects in transition-metal dichalcogenides. Here, we use…
Indirect to direct band gap crossover in two-dimensional WS2(1-x)Se2x alloys
Cyrine Ernandes, Lama Khalil, Hela Almabrouk +12
In atomically thin transition metal dichalcogenide semiconductors, there is a crossover from indirect to direct bandgap as the thickness drops to one monolayer, which comes with a…
Weyl-fermions, Fermi-arcs, and minority-spin carriers in ferromagnetic CoS2
Niels B. M. Schröter, Iñigo Robredo, Sebastian Klemenz +15
The pyrite compound CoS2 has been intensively studied in the past due to its itinerant ferromagnetism and potential for half-metallicity, which make it a promising material for spi…
Accessing the spectral function in a current-carrying device
Davide Curcio, Alfred J. H. Jones, Ryan Muzzio +12
The presence of an electrical transport current in a material is one of the simplest and most important realisations of non-equilibrium physics. The current density breaks the crys…
Direct Observation of a Uniaxial Stress-driven Lifshitz Transition in SrRuO
V. Sunko, E. Abarca Morales, I. Marković +11
Pressure represents a clean tuning parameter for traversing the complex phase diagrams of interacting electron systems and as such has proved of key importance in the study of quan…
Nanoscale patterning of quasiparticle band alignment
Søren Ulstrup, Cristina E. Giusca, Jill A. Miwa +10
Control of atomic-scale interfaces between materials with distinct electronic structures is crucial for the design and fabrication of most electronic devices. In the case of two-di…
Probing the reconstructed Fermi surface of antiferromagnetic BaFeAs in one domain
Matthew D. Watson, Pavel Dudin, Luke C. Rhodes +7
We revisit the electronic structure of BaFeAs, the archetypal parent compound of the Fe-based superconductors, using angle-resolved photoemission spectroscopy (ARPES). Our…
Chiral Topological Semimetal with Multifold Band Crossings and Long Fermi arcs
Niels B. M. Schröter, Ding Pei, Maia G. Vergniory +14
Topological semimetals in crystals with a chiral structure (which possess a handedness due to a lack of mirror and inversion symmetries) are expected to display numerous exotic phy…
High resolution characterisation of microstructural evolution in RbFeSe crystals on annealing
S. C. Speller, P. Dudin, S. Fitzgerald +8
The superconducting and magnetic properties of phase-separated AFeSe compounds are known to depend on post-growth heat treatments and cooling profiles. This paper f…