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 …

Van der Waals opto-spintronics

JT Gish, D Lebedev, TW Song, VK Sangwan… - Nature …, 2024 - nature.com
Van der Waals materials with long-range magnetic order show a range of correlated
phenomena that could be of use in the development of optoelectronic and spintronic …

Nature of excitons and their ligand-mediated delocalization in nickel dihalide charge-transfer insulators

CA Occhialini, Y Tseng, H Elnaggar, Q Song, M Blei… - Physical Review X, 2024 - APS
The fundamental optical excitations of correlated transition-metal compounds are typically
identified with multielectronic transitions localized at the transition-metal site, such as dd …

Layer-Dependent Magnetic Domains in Atomically Thin Fe5GeTe2

R Fujita, P Bassirian, Z Li, Y Guo, MA Mawass… - ACS …, 2022 - ACS Publications
Magnetic domain formation in two-dimensional (2D) materials gives perspectives into the
fundamental origins of 2D magnetism and also motivates the development of advanced …

Bond-dependent anisotropy and magnon decay in cobalt-based Kitaev triangular antiferromagnet

C Kim, S Kim, P Park, T Kim, J Jeong… - Nature Physics, 2023 - nature.com
The Kitaev model, a honeycomb network of spins with bond-dependent anisotropic
interactions, is a rare example of a system with a quantum spin liquid ground state. Although …

Photocurrent Spectroscopy of Dark Magnetic Excitons in 2D Multiferroic NiI2

D Lebedev, JT Gish, ES Garvey, TW Song… - Advanced …, 2024 - Wiley Online Library
Abstract Two‐dimensional (2D) antiferromagnetic (AFM) semiconductors are promising
components of opto‐spintronic devices due to terahertz operation frequencies and minimal …