Second harmonic generation (SHG) as an essential nonlinear optical effect, has gradually
shifted its research trend toward the integration and miniaturization of photonic and …

This review presents recent breakthroughs in the realm of nonlinear Hall effects,
emphasizing central theoretical foundations and recent experimental progress. We elucidate …

To enable new nonlinear responses, metamaterials are created by organizing structural
units (meta-atoms), which are typically on the scale of about a hundred nanometres …

Nonlinear optical responses in second harmonic generation (SHG) of van der Waals
heterobilayers, Janus MoSSe/MoS2, are theoretically optimized as a function of strain and …

The manipulation of edge configurations and structures in atomically-thin transition metal
dichalcogenides (TMDs) for versatile functionalization has attracted intensive interest in …

In moiré crystals resulting from the stacking of twisted two-dimensional (2D) layered
materials, a subtle adjustment in the twist angle surprisingly gives rise to a wide range of …

Chemically programmed angular stacking of two-dimensional (2D) assembly into interactive
superstructures–such as moiré superlattices–may bring novel physical and chemical …

Rhombohedral polytype transition metal dichalcogenide (TMDC) multilayers exhibit non-
centrosymmetric interlayer stacking, which yields intriguing properties such as …

ABSTRACT The two-dimensional (2D) material family can be regarded as the extreme
externalization form of the matter in the planar 2D space. These atomically thin materials …

Studies of moiré systems have explained the effect of superlattice modulations on their
properties, demonstrating new correlated phases. However, most experimental studies have …