Symmetry breaking in 2D layered materials plays a significant role in their macroscopic
electrical, optical, magnetic and topological properties, including, but not limited to, spin …

Originating from the studies of two-dimensional condensed-matter states, the concept of
topological order has recently been expanded to other fields of physics and engineering …

Two-dimensional (2D) ferroelectrics with robust polarization down to atomic thicknesses
provide building blocks for functional heterostructures. Experimental realization remains …

As the first in a large family of 2D van der Waals (vdW) materials, graphene has attracted
enormous attention owing to its remarkable properties. The recent development of simple …

Moiré superlattices enable the generation of new quantum phenomena in two-dimensional
heterostructures, in which the interactions between the atomically thin layers qualitatively …

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 …

The emergence of two-dimensional Dirac materials, particularly transition metal
dichalcogenides (TMDs), has reinvigorated interest in valleytronics, which utilizes the …

Highly uniform and ordered nanodot arrays are crucial for high-performance quantum
optoelectronics, including new semiconductor lasers and single-photon emitters, and for …

Recent advances in the development of atomically thin layers of van der Waals bonded
solids have opened up new possibilities for the exploration of 2D physics as well as for …

The concept of valley pseudospin, labelling quantum states of energy extrema in momentum
space, is attracting attention,,,,,,,,,,,, because of its potential as a new type of information …