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 …

Emerging research landscape of altermagnetism

L Šmejkal, J Sinova, T Jungwirth - Physical Review X, 2022 - APS
Magnetism is one of the largest, most fundamental, and technologically most relevant fields
of condensed-matter physics. Traditionally, two basic magnetic phases have been …

Beyond conventional ferromagnetism and antiferromagnetism: A phase with nonrelativistic spin and crystal rotation symmetry

L Šmejkal, J Sinova, T Jungwirth - Physical Review X, 2022 - APS
Recent series of theoretical and experimental reports have driven attention to time-reversal
symmetry-breaking spintronic and spin-splitting phenomena in materials with collinear …

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) …

Chiral‐Molecule‐Based Spintronic Devices

Z Shang, T Liu, Q Yang, S Cui, K Xu, Y Zhang, J Deng… - Small, 2022 - Wiley Online Library
Spintronics and molecular chemistry have achieved remarkable achievements separately.
Their combination can apply the superiority of molecular diversity to intervene or manipulate …

Octupole-driven magnetoresistance in an antiferromagnetic tunnel junction

X Chen, T Higo, K Tanaka, T Nomoto, H Tsai, H Idzuchi… - Nature, 2023 - nature.com
The tunnelling electric current passing through a magnetic tunnel junction (MTJ) is strongly
dependent on the relative orientation of magnetizations in ferromagnetic electrodes …

Giant and tunneling magnetoresistance in unconventional collinear antiferromagnets with nonrelativistic spin-momentum coupling

L Šmejkal, AB Hellenes, R González-Hernández… - Physical Review X, 2022 - APS
Giant and tunneling magnetoresistance are physical phenomena used for reading
information in commercial spintronic devices. The effects rely on a conserved spin current …

Direct observation of altermagnetic band splitting in CrSb thin films

S Reimers, L Odenbreit, L Šmejkal, VN Strocov… - Nature …, 2024 - nature.com
Altermagnetism represents an emergent collinear magnetic phase with compensated order
and an unconventional alternating even-parity wave spin order in the non-relativistic band …

Efficient Spin-to-Charge Conversion via Altermagnetic Spin Splitting Effect in Antiferromagnet

H Bai, YC Zhang, YJ Zhou, P Chen, CH Wan, L Han… - Physical review …, 2023 - APS
The relativistic spin Hall effect and inverse spin Hall effect enable the efficient generation
and detection of spin current. Recently, a nonrelativistic altermagnetic spin splitting effect …

Tilted spin current generated by the collinear antiferromagnet ruthenium dioxide

A Bose, NJ Schreiber, R Jain, DF Shao, HP Nair… - Nature …, 2022 - nature.com
Symmetry plays a central role in determining the polarization of spin currents induced by
electric fields. It also influences how these spin currents generate spin-transfer torques in …