Tunable moiré materials for probing Berry physics and topology

PC Adak, S Sinha, A Agarwal… - Nature Reviews Materials, 2024 - nature.com
Berry curvature physics and quantum geometric effects have been instrumental in
advancing topological condensed matter physics in recent decades. Although Landau level …

Small Twist, Big Miracle—Recent Progress on Fabrication of Twisted 2D Materials

W Ma, Q Zhang, L Li, D Geng, W Hu - Journal of Materials Chemistry C, 2023 - pubs.rsc.org
The concept of the “twist angle” has garnered significant attention from researchers, due to
its compelling association with the occurrence of intriguing physical phenomena in two …

Valley-polarized excitonic Mott insulator in WS2/WSe2 moiré superlattice

Z Lian, Y Meng, L Ma, I Maity, L Yan, Q Wu, X Huang… - Nature Physics, 2024 - nature.com
The strongly enhanced electron–electron interactions in semiconducting moiré superlattices
formed by transition metal dichalcogenide heterobilayers have led to a plethora of intriguing …

Excitonic Mott insulator in a Bose-Fermi-Hubbard system of moiré WS2/WSe2 heterobilayer

B Gao, DG Suárez-Forero, S Sarkar, TS Huang… - Nature …, 2024 - nature.com
Understanding the Hubbard model is crucial for investigating various quantum many-body
states and its fermionic and bosonic versions have been largely realized separately …

Excitonic Complexes in Two-Dimensional Transition Metal Dichalcogenides

X Chen, Z Lian, Y Meng, L Ma, SF Shi - nature communications, 2023 - nature.com
The enhanced Coulomb interaction in two dimensions leads to not only tightly bound
excitons but also many-particle excitonic complexes: excitons interacting with other …

Nonbosonic moiré excitons

TS Huang, P Lunts, M Hafezi - Physical Review Letters, 2024 - APS
Optical excitations in moiré transition metal dichalcogenide bilayers lead to the creation of
excitons, as electron-hole bound states, that are generically considered within a Bose …

Engineering interlayer hybridization in van der Waals bilayers

E Barré, M Dandu, S Kundu, A Sood… - Nature Reviews …, 2024 - nature.com
In the decade since the introduction of van der Waals (vdW) heterostructures for designer
devices, there has been an abundance of studies on the artificial assembly of vdW …

Chiral flat-band optical cavity with atomically thin mirrors

DG Suárez-Forero, R Ni, S Sarkar… - Science …, 2024 - science.org
A fundamental requirement for photonic technologies is the ability to control the confinement
and propagation of light. Widely used platforms include two-dimensional (2D) optical …

A microscopic perspective on moiré materials

KP Nuckolls, A Yazdani - Nature Reviews Materials, 2024 - nature.com
Contemporary quantum materials research is guided by themes of topology and electronic
correlations. A confluence of these two themes is engineered in moiré materials, an …

Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures

N Fang, YR Chang, S Fujii, D Yamashita… - Nature …, 2024 - nature.com
The development of van der Waals heterostructures has introduced unconventional
phenomena that emerge at atomically precise interfaces. For example, interlayer excitons in …