Excitons in semiconductor moiré superlattices

D Huang, J Choi, CK Shih, X Li - Nature nanotechnology, 2022 - nature.com
Semiconductor moiré superlattices represent a rapidly develo** area of engineered
photonic materials and a new platform to explore correlated electron states and quantum …

Reproducibility in the fabrication and physics of moiré materials

CN Lau, MW Bockrath, KF Mak, F Zhang - Nature, 2022 - nature.com
Overlaying two atomic layers with a slight lattice mismatch or at a small rotation angle
creates a moiré superlattice, which has properties that are markedly modified from (and at …

Evidence for unconventional superconductivity in twisted trilayer graphene

H Kim, Y Choi, C Lewandowski, A Thomson, Y Zhang… - Nature, 2022 - nature.com
Magic-angle twisted trilayer graphene (MATTG) has emerged as a moiré material that
exhibits strong electronic correlations and unconventional superconductivity,. However …

Magic-angle twisted bilayer graphene as a topological heavy fermion problem

ZD Song, BA Bernevig - Physical review letters, 2022 - APS
Magic-angle (θ= 1.0 5°) twisted bilayer graphene (MATBG) has shown two seemingly
contradictory characters: the localization and quantum-dot-like behavior in STM …

Imaging two-dimensional generalized Wigner crystals

H Li, S Li, EC Regan, D Wang, W Zhao, S Kahn… - Nature, 2021 - nature.com
The Wigner crystal has fascinated condensed matter physicists for nearly 90 years,,,,,,,,,,,–.
Signatures of two-dimensional (2D) Wigner crystals were first observed in 2D electron gases …

Evidence for unconventional superconductivity in twisted bilayer graphene

M Oh, KP Nuckolls, D Wong, RL Lee, X Liu… - Nature, 2021 - nature.com
The emergence of superconductivity and correlated insulators in magic-angle twisted bilayer
graphene (MATBG) has raised the intriguing possibility that its pairing mechanism is distinct …

Cascade of correlated electron states in the kagome superconductor CsV3Sb5

H Zhao, H Li, BR Ortiz, SML Teicher, T Park, M Ye… - Nature, 2021 - nature.com
The kagome lattice of transition metal atoms provides an exciting platform to study electronic
correlations in the presence of geometric frustration and nontrivial band topology …

Moiré heterostructures as a condensed-matter quantum simulator

DM Kennes, M Claassen, L **an, A Georges, AJ Millis… - Nature Physics, 2021 - nature.com
Twisted van der Waals heterostructures have latterly received prominent attention for their
many remarkable experimental properties and the promise that they hold for realizing …

Graphene bilayers with a twist

EY Andrei, AH MacDonald - Nature materials, 2020 - nature.com
Near a magic twist angle, bilayer graphene transforms from a weakly correlated Fermi liquid
to a strongly correlated two-dimensional electron system with properties that are …

Chern insulators, van Hove singularities and topological flat bands in magic-angle twisted bilayer graphene

S Wu, Z Zhang, K Watanabe, T Taniguchi, EY Andrei - Nature materials, 2021 - nature.com
Magic-angle twisted bilayer graphene exhibits intriguing quantum phase transitions
triggered by enhanced electron–electron interactions when its flat bands are partially filled …