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Altermagnets, with spin splitting and vanishing magnetization, have been attributed to many fascinating phenomena and potential applications. In particular, integrating ferroelectricity with altermagnetism to enable magnetoelectric coupling…

Materials Science · Physics 2025-09-09 Ziye Zhu , Yuntian Liu , Xunkai Duan , Jiayong Zhang , Bowen Hao , Su-Huai Wei , Igor Zutic , Tong Zhou

Altermagnets demonstrate significant potential in spintronics due to their unique non-relativistic spin-splitting properties, yet altermagnetic devices still face challenges in efficiently switching logic states. Here, we report…

Materials Science · Physics 2026-02-17 Yunfei Gao , Aolin Li , Zesen Fu , Bei Zhang , Haiming Duan , Fangping Ouyang

Altermagnets (AMs) constitute a novel class of spin-compensated materials in which the symmetry connecting opposite-spin sublattices involves a spatial rotation. Here, we uncover a set of unique non-linear, light-driven properties that set…

Materials Science · Physics 2025-09-16 Amir Eskandari-asl , Jorge I. Facio , Oleg Janson , Adolfo Avella , Jeroen van den Brink

Electrical manipulation of spin textures inside antiferromagnets represents a new opportunity for developing spintronics with superior speed and high device density. Injecting spin currents into antiferromagnets and realizing efficient…

Finding efficient ways of manipulating magnetic bits is one of the core goals in spintronic research. Electrically-generated spin-orbit torques (SOTs) are good candidates for this and the search for materials capable of generating…

Mesoscale and Nanoscale Physics · Physics 2020-08-31 Casper F. Schippers , Henk J. M. Swagten , Marcos H. D. Guimarães

Recently, altermagnets have emerged as promising candidates in spintronics, uniquely combining large spin-polarized electronic states with zero net magnetization. A prominent example is $\alpha$-MnTe, whose altermagnetic spin splitting,…

Altermagnets, magnetic materials with zero magnetization and spin-split band structure, have gained tremendous attention recently for their rich physics and potential applications. Here, we report on a microscopic tight-binding model that…

Materials Science · Physics 2024-11-01 Marc Vila , Veronika Sunko , Joel E. Moore

The recent discovery of altermagnets, which exhibit spin splitting without net magnetization, opens new directions for spintronics beyond the limits of ferromagnets, antiferromagnets, and spin orbit coupled systems. We investigate spin…

Mesoscale and Nanoscale Physics · Physics 2025-12-29 Pei-Hao Fu , Qianqian Lv , Yong Xu , Jorge Cayao , Jun-Feng Liu , Xiang-Long Yu

Electrical control of spin and magnetic sublattice degrees of freedom is essential for multifunctional and low-power spintronic devices. Bipolar altermagnetic semiconductors (BAMSs)-characterized by opposite spin polarizations at the…

Materials Science · Physics 2026-04-29 Wei Ma , Dengpan Ma , Zhiheng Lv , Zhifeng Liu

We propose to implement tunable higher-order topological states in a heterojunction consisting of a two-dimensional (2D) topological insulator and the recently discovered altermagnets, whose unique spin-polarization in both real and…

Mesoscale and Nanoscale Physics · Physics 2024-05-13 Yu-Xuan Li , Yichen Liu , Cheng-Cheng Liu

As an emerging magnetic phase, altermagnets with compensated magnetic order and non-relativistic spin-splitting have attracted widespread attention. Currently, strain engineering is considered to be an effective method for inducing valley…

Materials Science · Physics 2024-10-07 Yun-Qin Li , Yu-Ke Zhang , Xin-Le Lu , Ya-Ping Shao , Zhi-qiang Bao , Jun-Ding Zheng , Wen-Yi Tong , Chun-Gang Duan

Controlling physical responses through symmetry breaking is a central paradigm in quantum materials, enabling novel functionalities. Here we determine the effects of spin-group-symmetry breaking on nonlinear optical responses of collinear…

Mesoscale and Nanoscale Physics · Physics 2026-03-30 Gastón Blatter , Xiao Zhang , Jeroen van den Brink , Mengli Hu , Shu Zhang

We investigate the altermagnetic properties of strongly-correlated transition metal oxides considering the family of the quasi two-dimensional A2BO4 and three-dimensional ABO3. As a test study, we analyze the Mott insulators Ca2RuO4 and…

Strongly Correlated Electrons · Physics 2023-09-06 Giuseppe Cuono , Raghottam M. Sattigeri , Jan Skolimowski , Carmine Autieri

Altermagnets hold great potential for spintronic applications, yet their intrinsic spin dynamics and associated transport properties remain largely unexplored. Here, we investigate spin-resolved quantum transport in a multi-terminal setup…

Mesoscale and Nanoscale Physics · Physics 2026-02-25 Li-Shuo Liu , Kai Shao , Hai-Dong Li , Xiangang Wan , Wei Chen , D. Y. Xing

Altermagnets represent a novel class of magnetic materials that integrate the advantages of both ferromagnets and antiferromagnets, providing a rich platform for exploring the physical properties of multiferroic materials.This work…

Materials Science · Physics 2025-04-21 Yao Yang

Altermagnets (A$\ell$Ms) constitute a novel family of magnetic materials characterized by the absence of net magnetization and the presence of spin-polarized band structures. Whereas A$\ell$M phases were initially proposed in collinear…

Materials Science · Physics 2026-03-03 Mengli Hu , Mikel I. Iraola , Paul McClarty , Jeroen van den Brink , Maia G. Vergniory

As an emerging magnetic phase, altermagnets (AMs) with collinear compensated magnetism in real space and alternating spin splitting in the band structure have attracted widespread attention. Here, based on first-principles calculations, we…

Materials Science · Physics 2026-04-23 Jianke Tian , Xiaowen Zhou , Gui-Bin Liu

A class of antiferromagnets with spin-polarized electron bands, yet zero net magnetization, called altermagnets is attracting increasing attention due to their potential use in spintronics. Here, we study spin injection into an altermagnet…

Mesoscale and Nanoscale Physics · Physics 2024-02-19 Chi Sun , Jacob Linder

Using resonant x-ray diffraction, we observe an easy c-axis collinear antiferromagnetic structure for the bilayer Sr$_3$Ir$_2$O$_7$, a significant contrast to the single layer Sr$_2$IrO$_4$ with in-plane canted moments. Based on a…

Strongly Correlated Electrons · Physics 2012-12-11 J. W. Kim , Y. Choi , Jungho Kim , J. F. Mitchell , G. Jackeli , M. Daghofer , J. van den Brink , G. Khaliullin , B. J. Kim

We theoretically investigate topological spin transport of the magnon-polarons in bilayer magnet with two-dimensional square lattices. Our theory is motivated by recent reports on the van der Waals magnets which show the reversible…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 Gyungchoon Go , Se Kwon Kim