Roadmap of spin–orbit torques

Q Shao, P Li, L Liu, H Yang, S Fukami… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Spin–orbit torque (SOT) is an emerging technology that enables the efficient manipulation of
spintronic devices. The initial processes of interest in SOTs involved electric fields, spin …

Anomalous hall antiferromagnets

L Šmejkal, AH MacDonald, J Sinova… - Nature Reviews …, 2022 - nature.com
The Hall effect, in which a current flows perpendicular to an electrical bias, has been
prominent in the history of condensed matter physics. Appearing variously in classical …

An anomalous Hall effect in altermagnetic ruthenium dioxide

Z Feng, X Zhou, L Šmejkal, L Wu, Z Zhu, H Guo… - Nature …, 2022 - nature.com
The anomalous Hall effect is a time-reversal symmetry-breaking magneto-electronic
phenomenon originally discovered in ferromagnets. Recently, ruthenium dioxide (RuO2) …

Observation of plaid-like spin splitting in a noncoplanar antiferromagnet

YP Zhu, X Chen, XR Liu, Y Liu, P Liu, H Zha, G Qu… - Nature, 2024 - nature.com
Spatial, momentum and energy separation of electronic spins in condensed-matter systems
guides the development of new devices in which spin-polarized current is generated and …

Enumeration and representation theory of spin space groups

X Chen, J Ren, Y Zhu, Y Yu, A Zhang, P Liu, J Li, Y Liu… - Physical Review X, 2024 - APS
Fundamental physical properties, such as phase transitions, electronic structures, and spin
excitations, in all magnetic ordered materials, were ultimately believed to rely on the …

Enumeration of spin-space groups: Toward a complete description of symmetries of magnetic orders

Y Jiang, Z Song, T Zhu, Z Fang, H Weng, ZX Liu… - Physical Review X, 2024 - APS
Symmetries of three-dimensional periodic scalar fields are described by 230 space groups
(SGs). Symmetries of three-dimensional periodic (pseudo) vector fields, however, are …

Orbitronics: Orbital currents in solids

D Go, D Jo, HW Lee, M Kläui, Y Mokrousov - Europhysics Letters, 2021 - iopscience.iop.org
In solids, electronic Bloch states are formed by atomic orbitals. While it is natural to expect
that orbital composition and information about Bloch states can be manipulated and …

Spontaneous topological Hall effect induced by non-coplanar antiferromagnetic order in intercalated van der Waals materials

H Takagi, R Takagi, S Minami, T Nomoto, K Ohishi… - Nature Physics, 2023 - nature.com
In ferromagnets, an electric current generally induces a transverse Hall voltage in proportion
to the internal magnetization. This effect is frequently used for the electrical readout of the …

Crystal time-reversal symmetry breaking and spontaneous Hall effect in collinear antiferromagnets

L Šmejkal, R González-Hernández, T Jungwirth… - Science …, 2020 - science.org
Electrons, commonly moving along the applied electric field, acquire in certain magnets a
dissipationless transverse velocity. This spontaneous Hall effect, found more than a century …

Large anomalous Nernst effect at room temperature in a chiral antiferromagnet

M Ikhlas, T Tomita, T Koretsune, MT Suzuki… - Nature Physics, 2017 - nature.com
A temperature gradient in a ferromagnetic conductor can generate a transverse voltage drop
perpendicular to both the magnetization and heat current. This anomalous Nernst effect has …