activity
20192026
most citedObservation of dichotomic field-tunable electronic structure in twisted monolayer-bilayer graphene

11 citations · 22 across the 13 of their papers we have counts for

collaborators

14 papers

cond-mat.mes-hall2026

Beyond the Flat-Band Paradigm: Open Orbits as a Route to Correlated States in Dispersive Moiré Minibands

Zihao Wang, Pablo M. Perez-Piskunow, Calvin Pei Yu Wong +16

The realization of fractional Chern insulators has largely relied on isolated flat bands in complex bilayer or multilayer moiré systems with ideal quantum geometry. Whether such ph…

cond-mat.mes-hall2026

Layer-Number-Controlled Symmetry Breaking and Surface-State Transport in Rhombohedral Graphene Multilayers

Bosai Lyu, Jian Zheng, Kai Liu +12

Rhombohedral multilayer graphene hosts layer-polarized flat bands, providing an intriguing platform for correlated and topological electronic states; however, the role of layer num…

cond-mat.mes-hall2026

Commensuration torques in double-moiré twisted trilayer hexagonal boron nitride and graphene heterostructures

Youngju Park, Nicolas Leconte, Prathap Kumar Jharapla +3

We study commensuration-driven torques and angle locking in double-moiré trilayer hexagonal boron nitride (hBN) and graphene heterostructures using large-scale atomistic relaxation…

cond-mat.mes-hall2026

Supermoiré domain-resolved effective Hamiltonians and valley topology in helical multilayer graphene

Kyungjin Shin, Nicolas Leconte, Jeil Jung +1

Extending moiré graphene beyond twisted bilayers, helical trilayer graphene has shown topological bands and correlated states with reshaped moiré periodicity. Here we develop a the…

cond-mat.mes-hall2026

Atomistic substrate relaxation effects in the band gaps of graphene on hexagonal boron nitride

Jiaqi An, Nicolas Leconte, Srivani Javvaji +2

We assess the impact of atomistic substrate lattice relaxation schemes in the primary band gap at charge neutrality and the secondary valence band gap of graphene on hexagonal boro…

cond-mat.mes-hall2025

Correlated interlayer quantum Hall state in large-angle twisted trilayer graphene

Dohun Kim, Gyeoul Lee, Nicolas Leconte +6

Trilayer graphene allows systematic control of its electronic structure through stacking sequence and twist geometry, providing a versatile platform for correlated states. Here we…

cond-mat.mes-hall2024★ 1 cited

Sliding-dependent electronic structures of alternating-twist tetralayer graphene

Kyungjin Shin, Jiseon Shin, Yoonsung Lee +2

We study the electronic structure of alternating-twist tetralayer graphene, especially near its magic angle , for different AA, AB, and SP sliding geometries at thei…

cond-mat.mes-hall2024

Direct view of gate-tunable miniband dispersion in graphene superlattices near the magic twist angle

Zhihao Jiang, Dongkyu Lee, Alfred J. H. Jones +12

Superlattices from twisted graphene mono- and bi-layer systems give rise to on-demand many-body states such as Mott insulators and unconventional superconductors. These phenomena a…

cond-mat.mes-hall2024★ 11 cited

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…

cond-mat.mes-hall2024★ 1 cited

Self-consistent tight-binding calculations with extended Hubbard interactions in rhombohedral multilayer graphene

Dongkyu Lee, Wooil Yang, Young-Woo Son +1

We study the mean-field broken symmetry phases of charge neutral multilayer rhombohedral graphene within tight-binding approximations including self-consistent extended Hubbard int…

physics.optics2024★ 1 cited

Reversible optical data storage below the diffraction limit

Richard Monge, Tom Delord, Carlos A. Meriles

Color centers in wide-bandgap semiconductors feature metastable charge states that can be interconverted with the help of optical excitation at select wavelengths. The distinct flu…

cond-mat.mes-hall2023

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…

cond-mat.mes-hall2023★ 8 cited

Interplay of valley, layer and band topology towards interacting quantum phases in moiré bilayer graphene

Yungi Jeong, Hangyeol Park, Taeho Kim +4

In Bernal-stacked bilayer graphene (BBG), the Landau levels give rise to an intimate connection between valley and layer degrees of freedom. Adding a moiré superlattice potential e…

cond-mat.mes-hall2019

Commensurate and incommensurate double moire interference in graphene encapsulated by hexagonal boron nitride

Nicolas Leconte, Jeil Jung

Interference of double moire patterns of graphene (G) encapsulated by hexagonal boron nitride (BN) can alter the electronic structure features near the primary/secondary Dirac poin…