Layer Hall effect induced by hidden Berry curvature in antiferromagnetic insulators

Abstract

The layer Hall effect describes electrons spontaneously deflected to opposite sides at different layers, which has been experimentally reported in the MnBi${}_2$Te${}_4$ thinfilms under perpendicular electric fields [Gao et al., Nature 595, 521 (2021)]. Here, we reveal a universal origin of the layer Hall effect in terms of the so-called hidden Berry curvature, as well as material design principles. Hence, it gives rise to zero Berry curvature in momentum space but nonzero layer-locked hidden Berry curvature in real space. We show that compared to that of a trivial insulator, the layer Hall effect is significantly enhanced in antiferromagnetic topological insulators. Our universal picture provides a paradigm for revealing the hidden physics as a result of the interplay between the global and local symmetries, and can be generalized in various scenarios.

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Cited by in corpus (27)

• Switchable anomalous Hall effects in polar-stacked 2D antiferromagnet MnBi2Te4
• Spin-Polarized Antiferromagnetic Spintronics
• Role of hidden spin polarization in non-reciprocal transport of antiferromagnets
• Quantum Anomalous Layer Hall Effect in the Topological Magnet MnBi2Te4
• Dissipationless Layertronics in Axion Insulator $\mathrm{MnB}{\mathrm{i}}_2\mathrm{T}{\mathrm{e}}_4$
• Time-Reversal Even Charge Hall Effect from Twisted Interface Coupling
• Light-induced topological phase transition with tunable layer Hall effect in axion antiferromagnets
• Intrinsic magnetic topological insulators of the MnBi${}_2$Te${}_4$ family
• Fabrication-induced even-odd discrepancy of magnetotransport in few-layer MnBi${}_2$Te${}_4$
• Chiral Dirac fermion in a collinear antiferromagnet
• Layer Control of Magneto-Optical Effects and Their Quantization in Spin-Valley Splitting Antiferromagnets
• High spin axion insulator
• Stacking-dependent Electronic and Topological Properties in van der Waals Antiferromagnet MnBi${}_2$Te${}_4$ Films
• The Layer Hall Effect without External Electric Field
• Renormalizing Antiferroelectric Nanostripes in ${\beta }^{\prime }-{\mathrm{In}}_2{\mathrm{Se}}_3$ via Optomechanics
• On the half-quantized Hall conductance of massive surface electrons in magnetic topological insulator films
• Berry-Curvature Engineering for Nonreciprocal Directional Dichroism in Two-Dimensional Antiferromagnets
• Ferroelectric Antiferromagnetic Lifting of Spin-Valley Degeneracy
• Layer Coherence Origin of Planar Hall Effect: from Charge to Multipole and Valley
• Twistronics and moiré superlattice physics in 2D transition metal dichalcogenides
• Ferroelectric switching of quantum anomalous Hall effects in MnBi2Te4 films
• Magneto-optical Kerr and Faraday effects in bilayer antiferromagnetic insulators
• Emergent Weyl-like points in periodically modulated systems
• Anomalous Hall effect from nonlinear magnetoelectric coupling
• Magnetic-flux tunable electronic transport through domain walls in a three-dimensional second-order topological insulator
• Prediction of a layer nonlinear Hall effect in bilayer nonmagnetic or antiferromagnetic systems
• Interlayer electric multipole Hall effect in twisted multilayers