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Related papers: Deterministic Switching of the N\'{e}el Vector by …

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As electrical control of N\'eel order opens the door to reliable antiferromagnetic spintronic devices, understanding the microscopic mechanisms of antiferromagnetic switching is crucial. Spatially-resolved studies are necessary to…

An antiferromagnetic semimetal has been recently identified as a new member of topological semimetals that may host three-dimensional symmetry-protected Dirac fermions. A reorientation of the N\'{e}el vector may break the underlying…

Mesoscale and Nanoscale Physics · Physics 2018-04-19 Youngseok Kim , Kisung Kang , André Schleife , Matthew J. Gilbert

The switching of antiferromagnetic order and its efficient control promise to enable ultrafast manipulation of data and large storage capacity. Recently, the time-dependent Schwinger boson mean-field theory has been successfully developed…

Strongly Correlated Electrons · Physics 2026-04-28 Asliddin Khudoyberdiev , Dag-Björn Hering , Vanessa Sulaiman , Götz S. Uhrig

Current-induced antiferromagnetic (AFM) switching remains critical in spintronics, yet the interplay between thermal effects and spin torques still lacks clear clarification. Here we experimentally investigate the thermally interplayed…

Mesoscale and Nanoscale Physics · Physics 2024-10-18 Wenlong Cai , Zanhong Chen , Yuzhang Shi , Daoqian Zhu , Guang Yang , Ao Du , Shiyang Lu , Kaihua Cao , Hongxi Liu , Kewen Shi , Weisheng Zhao

We predict that a lateral electrical current in antiferromagnets can induce non-equilibrium N\'eel order fields, i.e. fields whose sign alternates between the spin sublattices, which can trigger ultra-fast spin-axis reorientation. Based on…

Materials Science · Physics 2016-11-25 J. Zelezny , H. Gao , K. Vyborny , J. Zemen , J. Masek , A. Manchon , J. Wunderlich , J. Sinova , T. Jungwirth

The respective unique merit of antiferromagnets and two-dimensional (2D) materials in spintronic applications inspire us to exploit 2D antiferromagnetic spintronics. However, the detection of the N\'eel vector in 2D antiferromagnets remains…

Materials Science · Physics 2023-08-03 Jizhang Wang , Hui Zeng , Wenhui Duan , Huaqing Huang

Spin Hall effect of spin-texture origin is explored theoretically for antiferromagnetic (AF) metals. It is found that a vector chirality formed by the N\'eel vector gives rise to a topological spin Hall effect. This is topological since it…

Mesoscale and Nanoscale Physics · Physics 2024-10-02 Kazuki Nakazawa , Koujiro Hoshi , Jotaro J. Nakane , Jun-ichiro Ohe , Hiroshi Kohno

Spin-polarized antiferromagnets (AFMs), including altermagnets, noncollinear AFMs, and two-dimensional layer-polarized AFMs, have emerged as transformative materials for next-generation spintronic and optoelectronic technologies. These…

Materials Science · Physics 2025-06-23 Zhenzhou Guo , Xiaotian Wang , Wenhong Wang , Gang Zhang , Xiaodong Zhou , Zhenxiang Cheng

Ferromagnetic spin-valves and tunneling junctions are crucial for spintronics applications and are one of the most fundamental spintronics devices. Motivated by the potential unique advantages of antiferromagnets for spintronics, we…

Mesoscale and Nanoscale Physics · Physics 2022-04-22 Srikrishna Ghosh , Aurelien Manchon , Jakub Železný

Electrical manipulation of antiferromagnets with specific symmetries offers the prospect of creating novel, antiferromagnetic spintronic devices. Such devices aim to make use of the insensitivity to external magnetic fields and the…

Materials Science · Physics 2018-07-04 Markus Meinert , Dominik Graulich , Tristan Matalla-Wagner

Current-induced spin torques provide efficient data writing approaches for magnetic memories. Recently, the spin splitting torque (SST) was theoretically predicted (R. Gonz\'alez-Hern\'andez et al. Phys. Rev. Lett. 126, 127701 (2021)),…

Materials Science · Physics 2022-05-25 Hua Bai , Lei Han , Xiaoyu Feng , Yongjian Zhou , Qian Wang , Wenxuan Zhu , Xianzhe Chen , Feng Pan , Xiaolong Fan , Cheng Song

Perpendicular switching of a ferromagnet induced by spin torques is crucial for building high density spin-based memory and logic devices, where out-of-plane spin polarization ($\sigma_z$) has become a long sought-after goal for…

Applied Physics · Physics 2025-09-01 Baiqing Jiang , Ziqian Cui , Hanying Zhang , Yuan Wang , C. Bi

Quantitative investigation on the current-induced torque in antiferromagnets represents a great challenge, due to the lack of an independent method for controlling N\'eel vectors. Here by utilizing an antiferromagnetic insulator with…

Mesoscale and Nanoscale Physics · Physics 2019-12-18 Pengxiang Zhang , Joseph Finley , Taqiyyah Safi , Luqiao Liu

Current pulse driven Neel vector rotation in metallic antiferromagnets is one of the most promising concepts in antiferromagnetic spintronics. We show microscopically that the Neel vector of epitaxial thin films of the prototypical compound…

A microscopic calculation is presented for the spin-transfer torques (STT) and damping torques in metallic antiferromagnets (AF). It is found that the sign of the STT is opposite to that in ferromagnets because of the AF transport…

Mesoscale and Nanoscale Physics · Physics 2021-05-26 Jotaro J. Nakane , Hiroshi Kohno

We study current-induced switching of the N\'eel vector in CoO/Pt bilayers to understand the underlaying antiferromagnetic switching mechanism. Surprisingly, we find that for ultra-thin CoO/Pt bilayers electrical pulses along the same path…

Antiferromagnetic materials with spin splitting have attracted considerable attention for their symmetry-enabled anisotropic spin textures that sustain a zero net magnetization, thereby facilitating efficient spin-current generation. In…

Materials Science · Physics 2026-03-25 Jiabin Wang , Wancheng Zhang , Zhenhua Zhang , Rui Xiong , Yong Liu , Zhihong Lu

Magnetic topological insulators host exotic phenomena such as the quantum anomalous Hall effect and quantized magnetoelectric responses, but dynamic electrical control of their topological phases remains elusive. Here we demonstrate from…

Mesoscale and Nanoscale Physics · Physics 2026-04-28 Rajibul Islam , Shakeel Ahmad , Fei Xue

In antiferromagnetic spintronics, the read-out of the staggered magnetization or Neel vector is the key obstacle to harnessing the ultra-fast dynamics and stability of antiferromagnets for novel devices. Here, we demonstrate strong exchange…

Recent breakthroughs in electrical detection and manipulation of antiferromagnets have opened a new avenue in the research of non-volatile spintronic devices. Antiparallel spin sublattices in antiferromagnets, producing zero dipolar fields,…