Perspectives: light control of magnetism and device development

N Fang, C Wu, Y Zhang, Z Li, Z Zhou - ACS nano, 2024 - ACS Publications
Accurately controlling magnetic and spin states presents a significant challenge in
spintronics, especially as demands for higher data storage density and increased …

[HTML][HTML] Non-linear Hall effects: Mechanisms and materials

A Bandyopadhyay, NB Joseph, A Narayan - Materials Today Electronics, 2024 - Elsevier
This review presents recent breakthroughs in the realm of nonlinear Hall effects,
emphasizing central theoretical foundations and recent experimental progress. We elucidate …

Room-temperature flexible manipulation of the quantum-metric structure in a topological chiral antiferromagnet

J Han, T Uchimura, Y Araki, JY Yoon, Y Takeuchi… - Nature Physics, 2024 - nature.com
The quantum metric and Berry curvature are two fundamental and distinct factors that
describe the geometry of quantum eigenstates. Although the role of the Berry curvature in …

Giant nonlinear Hall and wireless rectification effects at room temperature in the elemental semiconductor tellurium

B Cheng, Y Gao, Z Zheng, S Chen, Z Liu… - Nature …, 2024 - nature.com
The second-order nonlinear Hall effect (NLHE) in non-centrosymmetric materials has
recently drawn intense interest, since its inherent rectification could enable various device …

A tunable room-temperature nonlinear Hall effect in elemental bismuth thin films

P Makushko, S Kovalev, Y Zabila, I Ilyakov… - Nature …, 2024 - nature.com
The nonlinear Hall effect with time-reversal symmetry is a second-order electronic transport
phenomenon—seen as a quadratic voltage transverse to an applied electric field—that …

Room temperature field-free switching of perpendicular magnetization through spin-orbit torque originating from low-symmetry type II Weyl semimetal

Y Zhang, H Xu, K Jia, G Lan, Z Huang, B He, C He… - Science …, 2023 - science.org
Spin-orbit torque (SOT) is a promising strategy to deterministically switch the perpendicular
magnetization, but usually requires an in-plane magnetic field for breaking the mirror …

Nonlinear transport and radio frequency rectification in BiTeBr at room temperature

XF Lu, CP Zhang, N Wang, D Zhao, X Zhou… - Nature …, 2024 - nature.com
Materials showing second-order nonlinear transport under time reversal symmetry can be
used for Radio Frequency (RF) rectification, but practical application demands room …

Odd nonlinear conductivity under spatial inversion in chiral tellurium

M Suárez-Rodríguez, B Martín-García, W Skowroński… - Physical Review Letters, 2024 - APS
Electrical transport in noncentrosymmetric materials departs from the well-established
phenomenological Ohm's law. Instead of a linear relation between current and electric field …

Disorder in the nonlinear anomalous Hall effect of -symmetric Dirac fermions

RB Atencia, D **ao, D Culcer - Physical Review B, 2023 - APS
The study of the nonlinear anomalous Hall effect (NLAHE) in PT-symmetric systems has
focused on intrinsic mechanisms. Here, we show that disorder contributes substantially to …

Skin‐Inspired in‐Sensor Encoding of Strain Vector Using Tunable Quantum Geometry

Z Liu, J Shi, J Cao, Z Ma, Z Yang, Y Cui… - Advanced Functional …, 2024 - Wiley Online Library
Human skin provides crucial tactile feedback, allowing to skillfully perceive various objects
by sensing and encoding complex deformations through multiple parameters in each tactile …