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Electrical switching of antiferromagnets is an exciting recent development in spintronics, which promises active antiferromagnetic devices with high speed and low energy cost. In this emerging field, there is an active debate about the…

Mesoscale and Nanoscale Physics · Physics 2022-07-13 Yang Cheng , Egecan Cogulu , Rachel D. Resnick , Justin J. Michel , Nahuel N. Statuto , Andrew D. Kent , Fengyuan Yang

An important vision of modern magnetic research is to use antiferromagnets as controllable and active ultrafast components in spintronic devices. Hematite is a promising model material in this respect because its pronounced…

Electric control of magnetism at room temperature is crucial for developing next-generation, low-power spintronic devices. However, the intrinsic incompatibility between ferroelectricity and magnetism in crystal symmetry, along with the…

Materials Science · Physics 2026-04-15 Quanchao Du , Jinlian Lu , Xueqing Wan , Zhenlong Zhang , Zhijun Jiang

In the absence of an external magnetic field and a spin-polarized charge current, an antiferromagnetic system supports two degenerate magnon modes. An applied thermal bias activates the magnetic dynamics, leading to a magnon flow from the…

Mesoscale and Nanoscale Physics · Physics 2022-08-10 L. Chotorlishvili , Xi-guang Wang , A. Dyrdal , Guang-hua Guo , V. K. Dugaev , J. Barnas , J. Berakdar

Electric control over magnetic interactions at the level of individual spins is relevant for a variety of quantum applications, such as qubits, memory and sensor functionality. We show here that spin lattices and magnon gaps can be…

Mesoscale and Nanoscale Physics · Physics 2026-03-13 Johanne Bratland Tjernshaugen , Martin Tang Bruland , Jacob Linder

Electronic spin current is convertible to magnonic spin current via the creation or annihilation of thermal magnons at the interface of a magnetic insulator and a metal with a strong spin-orbital coupling. So far this phenomenon was…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Xi-guang Wang , Zhi-xiong Li , Zhen-wei Zhou , Yao-zhuang Nie , Qing-lin Xia , Zhong-ming Zeng , L. Chotorlishvili , J. Berakdar , Guang-hua Guo

The research into insulating ferrimagnetic garnets has gained enormous momentum in the past decade. This is partly due to the improvement in the techniques to grow high-quality ultrathin films with desirable properties and the advances in…

Materials Science · Physics 2021-05-26 Can Onur Avci

Magnons in antiferromagnets can support both right-handed and left-handed chiralities, which shed a light on the chirality-based spintronics. Here we demonstrate the switching and reading of magnon chirality in an artificial…

Applied Physics · Physics 2022-04-06 Yahui Liu , Zhengmeng Xu , Lin Liu , Kai Zhang , Yang Meng , Yuanwei Sun , Peng Gao , Hong-Wu Zhao , Qian Niu , J. Li

Antiferromagnetic magnons possess a distinctive feature absent in their ferromagnetic counterparts: the presence of two distinct handedness modes, the right-handed (RH) and left-handed (LH) precession modes. The magnon handedness determines…

Magnon eigenmodes in easy-plane antiferromagnetic insulators are linearly polarized and are not expected to carry any net spin angular momentum. Motivated by recent nonlocal spin transport experiments in the easy-plane phase of hematite, we…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 Verena Brehm , Olena Gomonay , Serban Lepadatu , Mathias Kläui , Jairo Sinova , Arne Brataas , Alireza Qaiumzadeh

When a spin-polarized current flows through a ferromagnetic (FM) metal, angular momentum is transferred to the background magnetization via spin-transfer torques. In antiferromagnetic (AFM) materials, however, the corresponding problem is…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Ran Cheng , Qian Niu

Recently, canted antiferromagnets offer great potential for fundamental research and applications due to their unique properties. The presence of the Dzyaloshinskii-Moriya interaction leads to the existence of a weak ferromagnetic moment at…

Polarization, denoting the precession direction with respect to the background magnetization, is an intrinsic degree of freedom of spin wave. Using magnetic textures to control the spin wave polarization is fundamental and indispensable…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Feiyang Ye , Jin Lan

Although spin injection at room temperature in an IrMn metallic antiferromagnet strongly depends on the transport regime, and is more efficient in the case of magnonic transport, in this article, we present experimental data demonstrating…

Materials Science · Physics 2018-09-26 O. Gladii , L. Frangou , G. Forestier , R. L. Seeger , S. Auffret , I. Joumard , M. Rubio-Roy , S. Gambarelli , V. Baltz

In recent years, the field of antiferromagnetic spintronics has been substantially advanced. Electric-field control is a promising approach to achieving ultra-low power spintronic devices via suppressing Joule heating. In this article,…

Mesoscale and Nanoscale Physics · Physics 2021-08-11 Han Yan , Zexin Feng , Peixin Qin , Xiaorong Zhou , Huixin Guo , Xiaoning Wang , Hongyu Chen , Xin Zhang , Haojiang Wu , Chengbao Jiang , Zhiqi Liu

Recent advances in the physics of current-driven antiferromagnetic skyrmions have observed the absence of a Magnus force. We outline the symmetry reasons for this phenomenon, and show that this cancellation will fail in the case of spin…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Matthew W. Daniels , Weichao Yu , Ran Cheng , Jiang Xiao , Di Xiao

Spintronics uses spins, the intrinsic angular momentum of electrons, as an alternative for the electron charge. Its long-term goal is in the development of beyond-Moore low dissipation technology devices. Recent progress demonstrated the…

Mesoscale and Nanoscale Physics · Physics 2018-09-14 R. Lebrun , A. Ross , S. A. Bender , A. Qaiumzadeh , L. Baldrati , J. Cramer , A. Brataas , R. A. Duine , M. Kläui

We study a bilayer structure consisting of an antiferromagnetic insulator and a normal metal. An electron current is driven in the normal metal with direction parallel to the interface between the materials. Due to interfacial exchange…

Mesoscale and Nanoscale Physics · Physics 2022-06-01 Eirik Erlandsen , Asle Sudbø

Coupling between conduction electrons and localized magnetization is responsible for a variety of phenomena in spintronic devices. This coupling enables to generate spin currents from dynamical magnetization. Due to the nonlinearity of…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 Takaharu Tashiro , Saki Matsuura , Akiyo Nomura , Shun Watanabe , Keehoon Kang , Henning Sirringhaus , Kazuya Ando

Antiferromagnetic materials could represent the future of spintronic applications thanks to the numerous interesting features they combine: they are robust against perturbation due to magnetic fields, produce no stray fields, display…

Materials Science · Physics 2018-02-20 V. Baltz , A. Manchon , M. Tsoi , T. Moriyama , T. Ono , Y. Tserkovnyak