Altermagnetism: Exploring new frontiers in magnetism and spintronics

L Bai, W Feng, S Liu, L Šmejkal… - Advanced Functional …, 2024 - Wiley Online Library
Recent developments have introduced a groundbreaking form of collinear magnetism
known as “altermagnetism”. This emerging magnetic phase is characterized by robust time …

Altermagnetism with non-collinear spins

SW Cheong, FT Huang - npj Quantum Materials, 2024 - nature.com
Altermagnetism is introduced as a category of magnetic states with 'collinear'
antiferromagnetic spins and alternating variations of local structures around spins in such a …

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) …

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 …

Altermagnetic lifting of Kramers spin degeneracy

J Krempaský, L Šmejkal, SW D'souza, M Hajlaoui… - Nature, 2024 - nature.com
Lifted Kramers spin degeneracy (LKSD) has been among the central topics of condensed-
matter physics since the dawn of the band theory of solids,. It underpins established practical …

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 …

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 …

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 …

Broken kramers degeneracy in altermagnetic mnte

S Lee, S Lee, S Jung, J Jung, D Kim, Y Lee, B Seok… - Physical Review Letters, 2024 - APS
Altermagnetism is a newly identified fundamental class of magnetism with vanishing net
magnetization and time-reversal symmetry broken electronic structure. Probing the unusual …

Spin space groups: Full classification and applications

Z **ao, J Zhao, Y Li, R Shindou, ZD Song - Physical Review X, 2024 - APS
In this work, we exhaust all the spin space symmetries, which fully characterize collinear,
noncollinear, and commensurate spiral as well as incommensurate spiral magnetism, etc …