Two-dimensional (2D) ferroics, namely ferroelectric, ferromagnetic, and ferroelastic
materials, are attracting rising interest due to their fascinating physical properties and …

Two-dimensional (2D) valleytronic materials, exhibiting valley-contrasting physics, are both
fundamentally intriguing and practically appealing to be used in nanoscale devices. In this …

Ferroelasticity is a prominent material property analogous to ferroelectricity and
ferromagnetism, but its characteristic spontaneous structural polarization has remained less …

The understanding and manipulate of the second‐order corner states are central to both
fundamental physics and future topotronics applications. Despite the fact that numerous …

Both a reasonably large valley splitting (VS) and a sufficiently long valley exciton lifetime are
crucial in valleytronics device applications. Currently, no single system possesses both …

Discovery of new two-dimensional (2D) materials not only has important fundamental
research significance but also has promising application prospects. Through systematic …

Inspired by the breakthroughs of twisted bilayer graphene, stacking-dependent phenomena
are recently emerging as fascinating objects of condensed matter research, harboring a …

As a “clean” tool, external strain has been widely used to fine-tune the crystal structure and
physical properties of a given material, especially for the layered system. Here, by using first …

Iron arsenide (FeAs) monolayers are known as a key component for building iron-based
superconductors. Here, we predict by first-principles calculations that the FeAs monolayer is …

We demonstrate using first-principles calculations that the TiNI monolayer simultaneously
exhibits favorable ferroelastic, topological, and thermoelectric properties. Specifically, we …