Emerging exciton physics in transition metal dichalcogenide heterobilayers
Atomically thin transition metal dichalcogenides (TMDs) are 2D semiconductors with tightly
bound excitons and correspondingly strong light–matter interactions. Owing to the weak van …
bound excitons and correspondingly strong light–matter interactions. Owing to the weak van …
Semiconductor moiré materials
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 …
correlations and non-trivial band topology. Here we review the recent progress in …
Operando electron microscopy investigation of polar domain dynamics in twisted van der Waals homobilayers
Conventional antiferroelectric materials with atomic-scale anti-aligned dipoles undergo a
transition to a ferroelectric (FE) phase under strong electric fields. The moiré superlattice …
transition to a ferroelectric (FE) phase under strong electric fields. The moiré superlattice …
Excitonic devices with van der Waals heterostructures: valleytronics meets twistronics
Abstract 2D semiconducting transition metal dichalcogenides comprise an emerging class of
materials with distinct properties, including large exciton binding energies that reach …
materials with distinct properties, including large exciton binding energies that reach …
Excitons and emergent quantum phenomena in stacked 2D semiconductors
The design and control of material interfaces is a foundational approach to realize
technologically useful effects and engineer material properties. This is especially true for two …
technologically useful effects and engineer material properties. This is especially true for two …
Interlayer exciton formation, relaxation, and transport in TMD van der Waals heterostructures
Van der Waals (vdW) heterostructures based on transition metal dichalcogenides (TMDs)
generally possess a type-II band alignment that facilitates the formation of interlayer excitons …
generally possess a type-II band alignment that facilitates the formation of interlayer excitons …
Interfacial ferroelectricity in marginally twisted 2D semiconductors
Twisted heterostructures of two-dimensional crystals offer almost unlimited scope for the
design of new metamaterials. Here we demonstrate a room temperature ferroelectric …
design of new metamaterials. Here we demonstrate a room temperature ferroelectric …
Interfacial ferroelectricity by van der Waals sliding
Despite their partial ionic nature, many-layered diatomic crystals avoid internal electric
polarization by forming a centrosymmetric lattice at their optimal van der Waals stacking …
polarization by forming a centrosymmetric lattice at their optimal van der Waals stacking …
Quantum photonics with layered 2D materials
Solid-state quantum devices use quantum entanglement for various quantum technologies,
such as quantum computation, encryption, communication and sensing. Solid-state …
such as quantum computation, encryption, communication and sensing. Solid-state …
Cumulative polarization in conductive interfacial ferroelectrics
Ferroelectricity in atomically thin bilayer structures has been recently predicted and
measured,–in two-dimensional materials with hexagonal non-centrosymmetric unit-cells …
measured,–in two-dimensional materials with hexagonal non-centrosymmetric unit-cells …