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 …

Interlayer excitons (IXs), composed of electron and hole states localized in different layers,
excel in bilayers composed of atomically thin van der Waals materials such as …

Constructing heterostructures of two-dimensional (2D) materials is critical for boosting their
photoelectric performances, enabling a promising route to meet the harsh requirement of …

Vertically stacked van der Waals (vdW) heterostructures exhibit unique electronic, optical,
and thermal properties that can be manipulated by twist-angle engineering. However, the …

The ability to resolve the dynamics of matter on its native temporal and spatial scales
constitutes a key challenge and convergent theme across chemistry, biology, and materials …

We establish low-temperature resonant inelastic light scattering (RILS) spectroscopy as a
tool to probe the formation of a series of moiré bands in twisted WSe 2 bilayers by accessing …

Two-dimensional van der Waals heterostructures exhibit distinctive electronic and
optoelectronic properties, making them promising structures for constructing advanced …

We study monolayer WSe2 using ultrafast electron diffraction. We introduce an approach to
quantitatively extract atomic-site-specific information, providing an element-specific view of …

While 2D transition metal dichalcogenides (TMDs) feature interesting layer-tunable
multivalley band structures, their preeminent role in determining the photoexcitation charge …

Interactions among and between electrons and phonons steer the energy flow in photo-
excited materials and govern the emergence of correlated phases. The strength of electron …