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 …

An optoelectronic synapse based on α-In2Se3 with controllable temporal dynamics for multimode and multiscale reservoir computing

K Liu, T Zhang, B Dang, L Bao, L Xu, C Cheng… - Nature …, 2022 - nature.com
Neuromorphic computing based on emerging devices could overcome the von Neumann
bottleneck—the restriction created by having to transfer data between memory and …

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 …

Coupled ferroelectricity and superconductivity in bilayer Td-MoTe2

A **dal, A Saha, Z Li, T Taniguchi, K Watanabe… - Nature, 2023 - nature.com
Achieving electrostatic control of quantum phases is at the frontier of condensed matter
research. Recent investigations have revealed superconductivity tunable by electrostatic …

Quantum-metric-induced nonlinear transport in a topological antiferromagnet

N Wang, D Kaplan, Z Zhang, T Holder, N Cao, A Wang… - Nature, 2023 - nature.com
The Berry curvature and quantum metric are the imaginary part and real part, respectively, of
the quantum geometric tensor, which characterizes the topology of quantum states. The …

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 …

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 …