Semiconductor technology is currently based on the manipulation of electronic charge;
however, electrons have additional degrees of freedom, such as spin and valley, that can be …

Monolayers of transition metal dichalcogenides (TMDs), such as MoS 2 and WS 2, have
recently triggered worldwide research interest due to their remarkable optical and electronic …

Two-dimensional transition metal dichalcogenides (TMDs), an emerging family of layered
materials, have provided researchers a fertile ground for harvesting fundamental science …

We demonstrate the continuous and reversible tuning of the optical band gap of suspended
monolayer MoS2 membranes by as much as 500 meV by applying very large biaxial strains …

The layer-dependent structural, electronic, and vibrational properties of SnS 2 and SnSe 2
are investigated using first-principles density functional theory (DFT). The in-plane lattice …

Defects play a significant role in tailoring the optical properties of two-dimensional materials.
Optical signatures of defect-bound excitons are important tools to probe defective regions …

The layered, air-stable van der Waals antiferromagnetic compound CrSBr exhibits
pronounced coupling among its optical, electronic, and magnetic properties. As an example …

The material choice, layer thickness, and twist angle widely enrich the family of van der
Waals heterostructures (vdWHs), providing multiple degrees of freedom to engineer their …

Double-resonance Raman scattering is a sensitive probe to study the electron-phonon
scattering pathways in crystals. For semiconducting two-dimensional transition-metal …

van der Waals heterostructures composed of two different monolayer crystals have recently
attracted attention as a powerful and versatile platform for studying fundamental physics, as …