The discovery of ferroelectricity in two-dimensional (2D) van der Waals (vdW) materials has
brought important functionalities to the 2D materials family, and may trigger a revolution in …

A grand family of two-dimensional (2D) materials and their heterostructures have been
discovered through the extensive experimental and theoretical efforts of chemists, material …

Structurally different from conventional oxide ferroelectrics with rigid lattices, van der Waals
(vdW) ferroelectrics have stable layered structures with a combination of strong intralayer …

Abstract van der Waals materials have greatly expanded our design space of
heterostructures by allowing individual layers to be stacked at non-equilibrium …

Memory transistors based on two-dimensional (2D) ferroelectric semiconductors are
intriguing for next-generation in-memory computing. To date, several 2D ferroelectric …

Conventional antiferroelectric materials with atomic-scale anti-aligned dipoles undergo a
transition to a ferroelectric (FE) phase under strong electric fields. The moiré superlattice …

When the atomic layers in a non-centrosymmetric van der Waals structure slide against each
other, the interfacial charge transfer results in a reversal of the structure's spontaneous …

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

The discovery and control of new phases of matter is a central endeavour in materials
research. The emergence of atomically thin 2D materials, such as transition-metal …

Despite their partial ionic nature, many-layered diatomic crystals avoid internal electric
polarization by forming a centrosymmetric lattice at their optimal van der Waals stacking …