Switchable Anomalous Hall Effects in Polar-Stacked 2D Antiferromagnet MnBi2Te4

T Cao, DF Shao, K Huang, G Gurung, EY Tsymbal - Nano Letters, 2023 - ACS Publications
van der Waals (vdW) assembly of two-dimensional (2D) materials allows polar layer
stacking to realize novel properties switchable by the induced electric polarization. Here …

Time-reversal even charge hall effect from twisted interface coupling

D Zhai, C Chen, C Xiao, W Yao - Nature communications, 2023 - nature.com
Under time-reversal symmetry, a linear charge Hall response is usually deemed to be
forbidden by the Onsager relation. In this work, we discover a scenario for realizing a time …

Tunable topological states in stacked chern insulator bilayers

X Li, X Xu, H Zhou, H Jia, E Wang, H Fu, JT Sun… - Nano Letters, 2023 - ACS Publications
The emergence of intrinsic quantum anomalous Hall (QAH) insulators with a long-range
ferromagnetic (FM) order triggers unprecedented prosperity for combining topology and …

Fabrication-induced even-odd discrepancy of magnetotransport in few-layer MnBi2Te4

Y Li, Y Wang, Z Lian, H Li, Z Gao, L Xu, H Wang… - Nature …, 2024 - nature.com
The van der Waals antiferromagnetic topological insulator MnBi2Te4 represents a promising
platform for exploring the layer-dependent magnetism and topological states of matter …

Role of hidden spin polarization in nonreciprocal transport of antiferromagnets

W Chen, M Gu, J Li, P Wang, Q Liu - Physical Review Letters, 2022 - APS
The discovery of hidden spin polarization (HSP) in centrosymmetric nonmagnetic crystals,
ie, spatially distributed spin polarization originated from local symmetry breaking, has …

Layer-Polarized Anomalous Hall Effects from Inversion-Symmetric Single-Layer Lattices

T Zhang, X Xu, J Guo, Y Dai, Y Ma - Nano Letters, 2024 - ACS Publications
In the field of physics and materials science, the discovery of the layer-polarized anomalous
Hall effect (LP-AHE) stands as a crucial development. The current research paradigm is …

Large spontaneous valley polarization and anomalous valley Hall effect in antiferromagnetic monolayer

SD Guo, L Zhang, Y Zhang, P Li, G Wang - Physical Review B, 2024 - APS
Superior to ferromagnetic (FM) materials, antiferromagnetic (AFM) materials do not have any
net magnetic moment and are robust to external magnetic perturbation with ultrahigh …

Layer Hall detection of the Néel vector in centrosymmetric magnetoelectric antiferromagnets

LL Tao, Q Zhang, H Li, HJ Zhao, X Wang, B Song… - Physical Review Letters, 2024 - APS
The efficient detection of the Néel vector in antiferromagnets is one of the prerequisites
toward antiferromagnetic spintronic devices and remains a challenging problem. Here, we …

High spin axion insulator

S Li, M Gong, YH Li, H Jiang, XC Xie - Nature communications, 2024 - nature.com
Axion insulators possess a quantized axion field θ= π protected by combined lattice and
time-reversal symmetry, holding great potential for device applications in layertronics and …

Engineering Layertronics in Two-Dimensional Ferromagnetic Multiferroic Lattice

Y Liu, Y Feng, Y Dai, B Huang, Y Ma - Nano Letters, 2024 - ACS Publications
Layertronics, rooted in the layer Hall effect (LHE), is an emerging fundamental phenomenon
in condensed matter physics and spintronics. So far, several theoretical and experimental …