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 …

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

The development of flexible piezoelectric nanogenerators has experienced rapid progress
in the past decade and is serving as the technological foundation of future state-of-the-art …

Sliding ferroelectricity is a recently observed polarity existing in two-dimensional materials.
However, due to the weak polarization and poor electrical insulation in these materials …

Since the discovery of Rochelle salt a century ago, ferroelectric materials have been
investigated extensively due to their robust responses to electric, mechanical, thermal …

Abstract 2D van der Waals ferroelectrics have emerged as an attractive building block with
immense potential to provide multifunctionality in nanoelectronics. Although several …

van der Waals materials possess an innate layer degree of freedom and thus are excellent
candidates for exploring emergent two-dimensional ferroelectricity induced by interlayer …

Develo** a single-phase self-rectifying memristor with the continuously tunable feature is
structurally desirable and functionally adaptive to dynamic environmental stimuli variations …

Materials with negative longitudinal piezoelectric response have been a focus of recent
research. So far, reported examples are mostly three-dimensional bulk materials, either …

Ferroelectric tunnel junctions use a thin ferroelectric layer as a tunnelling barrier, the height
of which can be modified by switching its ferroelectric polarization. The junctions can offer …