Abstract Two-dimensional (2D) layered materials are attracting a lot of attention because of
unique physicochemical properties that are intriguing for both fundamental research and …

A conventional topological insulator (TI) has gapped bulk states but gapless edge states.
The emergence of the gapless edge states is dictated by the bulk topological invariant of the …

Two-dimensional (2D) materials including graphene, transition metal dichalcogenides, black
phosphorus, MXenes, and semimetals have attracted extensive and widespread interest …

Polaritons are hybrid excitations of matter and photons. In recent years, polaritons in van der
Waals nanomaterials—known as van der Waals polaritons—have shown great promise to …

With compact footprint, low energy consumption, high scalability, and mass producibility,
chip‐scale integrated devices are an indispensable part of modern technological change …

The unique electronic and catalytic properties emerging from low symmetry anisotropic (1D
and 2D) metal chalcogenides (MCs) have generated tremendous interest for use in next …

Ruddlesden-Popper tin halide perovskites are a class of two-dimensional (2D)
semiconductors with exceptional optoelectronic properties, high carrier mobility, and low …

Abstract 2D materials and the associated heterostructures define an ideal material platform
for investigating physical and chemical properties, and exhibiting new functional …

Two-dimensional group-VI transition metal dichalcogenide semiconductors, such as MoS2,
WSe2, and others, exhibit strong light-matter coupling and possess direct band gaps in the …

Ten years ago, three teams experimentally demonstrated the first spasers, or plasmonic
nanolasers, after the spaser concept was first proposed theoretically in 2003. An overview of …