Towards two-dimensional van der Waals ferroelectrics

C Wang, L You, D Cobden, J Wang - Nature Materials, 2023 - nature.com
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 …

2D heterostructures for ubiquitous electronics and optoelectronics: principles, opportunities, and challenges

PV Pham, SC Bodepudi, K Shehzad, Y Liu, Y Xu… - Chemical …, 2022 - ACS Publications
A grand family of two-dimensional (2D) materials and their heterostructures have been
discovered through the extensive experimental and theoretical efforts of chemists, material …

Ferroelectric order in van der Waals layered materials

D Zhang, P Schoenherr, P Sharma… - Nature Reviews Materials, 2023 - nature.com
Structurally different from conventional oxide ferroelectrics with rigid lattices, van der Waals
(vdW) ferroelectrics have stable layered structures with a combination of strong intralayer …

Interfacial ferroelectricity in rhombohedral-stacked bilayer transition metal dichalcogenides

X Wang, K Yasuda, Y Zhang, S Liu, K Watanabe… - Nature …, 2022 - nature.com
Abstract van der Waals materials have greatly expanded our design space of
heterostructures by allowing individual layers to be stacked at non-equilibrium …

Phase-controllable large-area two-dimensional In2Se3 and ferroelectric heterophase junction

W Han, X Zheng, K Yang, CS Tsang, F Zheng… - Nature …, 2023 - nature.com
Memory transistors based on two-dimensional (2D) ferroelectric semiconductors are
intriguing for next-generation in-memory computing. To date, several 2D ferroelectric …

Sliding induced multiple polarization states in two-dimensional ferroelectrics

P Meng, Y Wu, R Bian, E Pan, B Dong, X Zhao… - Nature …, 2022 - nature.com
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 …

Stacking-engineered ferroelectricity in bilayer boron nitride

K Yasuda, X Wang, K Watanabe, T Taniguchi… - Science, 2021 - science.org
Two-dimensional (2D) ferroelectrics with robust polarization down to atomic thicknesses
provide building blocks for functional heterostructures. Experimental realization remains …

Phase transitions in 2D materials

W Li, X Qian, J Li - Nature Reviews Materials, 2021 - nature.com
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 …

Operando electron microscopy investigation of polar domain dynamics in twisted van der Waals homobilayers

K Ko, A Yuk, R Engelke, S Carr, J Kim, D Park, H Heo… - Nature Materials, 2023 - nature.com
Conventional antiferroelectric materials with atomic-scale anti-aligned dipoles undergo a
transition to a ferroelectric (FE) phase under strong electric fields. The moiré superlattice …

Interfacial ferroelectricity by van der Waals sliding

M Vizner Stern, Y Waschitz, W Cao, I Nevo… - Science, 2021 - science.org
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 …