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 …

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 …

Magic in twisted transition metal dichalcogenide bilayers

T Devakul, V Crépel, Y Zhang, L Fu - Nature communications, 2021 - nature.com
The long-wavelength moiré superlattices in twisted 2D structures have emerged as a highly
tunable platform for strongly correlated electron physics. We study the moiré bands in …

Electrostatic moiré potential from twisted hexagonal boron nitride layers

DS Kim, RC Dominguez, R Mayorga-Luna, D Ye… - Nature materials, 2024 - nature.com
Moiré superlattices host a rich variety of correlated electronic phases. However, the moiré
potential is fixed by interlayer coupling, and it is dependent on the nature of carriers and …

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 …

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 …

Mapping twist-tuned multiband topology in bilayer WSe2

BA Foutty, CR Kometter, T Devakul, AP Reddy… - Science, 2024 - science.org
Semiconductor moiré superlattices have been shown to host a wide array of interaction-
driven ground states. However, twisted homobilayers have been difficult to study in the limit …

Excitons in mesoscopically reconstructed moiré heterostructures

S Zhao, Z Li, X Huang, A Rupp, J Göser, IA Vovk… - Nature …, 2023 - nature.com
Moiré effects in vertical stacks of two-dimensional crystals give rise to new quantum
materials with rich transport and optical phenomena that originate from modulations of …

Dynamically tunable moiré exciton Rydberg states in a monolayer semiconductor on twisted bilayer graphene

M He, J Cai, H Zheng, E Seewald, T Taniguchi… - Nature Materials, 2024 - nature.com
Moiré excitons are emergent optical excitations in two-dimensional semiconductors with
moiré superlattice potentials. Although these excitations have been observed on several …