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 …

Non-collinear antiferromagnetic spintronics

BH Rimmler, B Pal, SSP Parkin - Nature Reviews Materials, 2024 - nature.com
Spintronics aims to go beyond the charge-based paradigm of silicon-based microelectronics
by utilizing the spin degree of freedom for memory, storage and computing applications …

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 …

Room-temperature magnetoresistance in an all-antiferromagnetic tunnel junction

P Qin, H Yan, X Wang, H Chen, Z Meng, J Dong, M Zhu… - Nature, 2023 - nature.com
Abstract Antiferromagnetic spintronics,,,,,,,,,,,,,,–is a rapidly growing field in condensed-
matter physics and information technology with potential applications for high-density and …

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 …

Observation of time-reversal symmetry breaking in the band structure of altermagnetic RuO2

O Fedchenko, J Minár, A Akashdeep, SW D'Souza… - Science …, 2024 - science.org
Altermagnets are an emerging elementary class of collinear magnets. Unlike ferromagnets,
their distinct crystal symmetries inhibit magnetization while, unlike antiferromagnets, they …

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 …

Ferroically Ordered Magnetic Octupoles in -Wave Altermagnets

S Bhowal, NA Spaldin - Physical Review X, 2024 - APS
We show that time-reversal symmetry-broken, centrosymmetric antiferromagnets with
nonrelativistic spin splitting of d-wave symmetry—the so-called d-wave altermagnets—are …

Crystal Thermal Transport in Altermagnetic

X Zhou, W Feng, RW Zhang, L Šmejkal, J Sinova… - Physical review …, 2024 - APS
We demonstrate the emergence of a pronounced thermal transport in the recently
discovered class of magnetic materials—altermagnets. From symmetry arguments and first …