Semiconductor moiré materials

KF Mak, J Shan - Nature Nanotechnology, 2022 - nature.com
Moiré materials have emerged as a platform for exploring the physics of strong electronic
correlations and non-trivial band topology. Here we review the recent progress in …

Emerging exciton physics in transition metal dichalcogenide heterobilayers

EC Regan, D Wang, EY Paik, Y Zeng, L Zhang… - Nature Reviews …, 2022 - nature.com
Atomically thin transition metal dichalcogenides (TMDs) are 2D semiconductors with tightly
bound excitons and correspondingly strong light–matter interactions. Owing to the weak van …

Fractional Chern Insulator in Twisted Bilayer

C Wang, XW Zhang, X Liu, Y He, X Xu, Y Ran, T Cao… - Physical Review Letters, 2024 - APS
A recent experiment has reported the first observation of a zero-field fractional Chern
insulator (FCI) phase in twisted bilayer MoTe 2 moiré superlattices [J. Cai, Signatures of …

Excitons in semiconductor moiré superlattices

D Huang, J Choi, CK Shih, X Li - Nature nanotechnology, 2022 - nature.com
Semiconductor moiré superlattices represent a rapidly developing 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 …

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 …

Continuous Mott transition in semiconductor moiré superlattices

T Li, S Jiang, L Li, Y Zhang, K Kang, J Zhu, K Watanabe… - Nature, 2021 - nature.com
The evolution of a Landau Fermi liquid into a non-magnetic Mott insulator with increasing
electronic interactions is one of the most puzzling quantum phase transitions in physics …

Intralayer charge-transfer moiré excitons in van der Waals superlattices

MH Naik, EC Regan, Z Zhang, YH Chan, Z Li, D Wang… - Nature, 2022 - nature.com
Moiré patterns of transition metal dichalcogenide heterobilayers have proved to be an ideal
platform on which to host unusual correlated electronic phases, emerging magnetism and …

Structure of the moiré exciton captured by imaging its electron and hole

O Karni, E Barré, V Pareek, JD Georgaras, MKL Man… - Nature, 2022 - nature.com
Abstract Interlayer excitons (ILXs)—electron–hole pairs bound across two atomically thin
layered semiconductors—have emerged as attractive platforms to study exciton …

Optical absorption of interlayer excitons in transition-metal dichalcogenide heterostructures

E Barré, O Karni, E Liu, AL O'Beirne, X Chen… - Science, 2022 - science.org
Interlayer excitons, electron-hole pairs bound across two monolayer van der Waals
semiconductors, offer promising electrical tunability and localizability. Because such …