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 …

Tunable strongly coupled superconductivity in magic-angle twisted trilayer graphene

JM Park, Y Cao, K Watanabe, T Taniguchi… - Nature, 2021 - nature.com
Moiré superlattices, have recently emerged as a platform upon which correlated physics and
superconductivity can be studied with unprecedented tunability,,–. Although correlated …

Strongly correlated Chern insulators in magic-angle twisted bilayer graphene

KP Nuckolls, M Oh, D Wong, B Lian, K Watanabe… - Nature, 2020 - nature.com
Interactions between electrons and the topology of their energy bands can create unusual
quantum phases of matter. Most topological electronic phases appear in systems with weak …

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 …

Multiple and spectrally robust photonic magic angles in reconfigurable α-MoO3 trilayers

J Duan, G Álvarez-Pérez, C Lanza, K Voronin… - Nature Materials, 2023 - nature.com
The emergence of a topological transition of the polaritonic dispersion in twisted bilayers of
anisotropic van der Waals materials at a given twist angle—the photonic magic angle …

Flavour Hund's coupling, Chern gaps and charge diffusivity in moiré graphene

JM Park, Y Cao, K Watanabe, T Taniguchi… - Nature, 2021 - nature.com
Interaction-driven spontaneous symmetry breaking lies at the heart of many quantum
phases of matter. In moiré systems, broken spin/valley 'flavour'symmetry in flat bands …

Cascade of phase transitions and Dirac revivals in magic-angle graphene

U Zondiner, A Rozen, D Rodan-Legrain, Y Cao… - Nature, 2020 - nature.com
Twisted bilayer graphene near the magic angle,,–exhibits rich electron-correlation physics,
displaying insulating,,–, magnetic, and superconducting phases,–. The electronic bands of …

Observation of flat bands in twisted bilayer graphene

S Lisi, X Lu, T Benschop, TA de Jong, P Stepanov… - Nature Physics, 2021 - nature.com
Transport experiments in twisted bilayer graphene have revealed multiple superconducting
domes separated by correlated insulating states,,,–. These properties are generally …

Map** the twist-angle disorder and Landau levels in magic-angle graphene

A Uri, S Grover, Y Cao, JA Crosse, K Bagani… - Nature, 2020 - nature.com
The recently discovered flat electronic bands and strongly correlated and superconducting
phases in magic-angle twisted bilayer graphene (MATBG), crucially depend on the …

Recent progress in synaptic devices based on 2D materials

L Sun, W Wang, H Yang - Advanced Intelligent Systems, 2020 - Wiley Online Library
Diverse synaptic plasticity with a wide range of timescales in biological synapses plays an
important role in memory, learning, and various signal processing with exceptionally low …