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Recently intrinsic ferromagnetism in two-dimensional(2D) van der Waals materials was discovered [1, 2, 3]. A monolayer of Chromiun triiodide(CrI3) is ferromagnetic while a bilayer structure was reported to be anti-ferro magnetic, moreover…

Materials Science · Physics 2018-11-30 E. Suarez Morell , Andrea León , R. Hiroki Miwa , P. Vargas

We demonstrate that an antiferromagnet can be employed for a highly efficient electrical manipulation of a ferromagnet. In our study we use an electrical detection technique of the ferromagnetic resonance driven by an in-plane ac-current in…

Mesoscale and Nanoscale Physics · Physics 2015-12-08 V. Tshitoyan , C. Ciccarelli , A. P. Mihai , M. Ali , A. C. Irvine , T. A. Moore , T. Jungwirth , A. J. Ferguson

A surface antisymmetry group framework is developed to establish design rules for deterministic electrical switching of the N\'eel vector in a film of a collinear bipartite antiferromagnet. In centrosymmetric altermagnets, where…

Materials Science · Physics 2026-05-28 K. D. Belashchenko

Magnetic switching in antiferromagnets relies on Neel spin orbit torque (NSOT), which originates from a current-induced staggered spin polarization of itinerant electrons. In collinear antiferromagnets, such a response requires the spin…

Mesoscale and Nanoscale Physics · Physics 2026-04-21 Sayan Sarkar , Amit Agarwal

Moir\'e superlattices in van der Waals structures can be used to control the electronic properties of the material and lead to emergent correlated and topological phenomena. Its first demonstration in van der Waals magnets exhibited…

van der Waals magnets are emerging as a promising material platform for electric field control of magnetism, offering a pathway towards the elimination of external magnetic fields from spintronic devices. A further step is the integration…

Mesoscale and Nanoscale Physics · Physics 2025-02-25 Junhyeon Jo , Samuel Mañas-Valero , Eugenio Coronado , Fèlix Casanova , Marco Gobbi , Luis E. Hueso

Functional spintronic devices rely on spin-charge interconversion effects, such as the reciprocal processes of electric field-driven spin torque and magnetization dynamics-driven spin and charge flow. Both damping-like and field-like…

Spin-orbitronics and Dirac quasiparticles are two fields of condensed matter physics initiated independently about a decade ago. Here we predict that Dirac quasiparticles can be controlled by the spin-orbit torque reorientation of the…

Mesoscale and Nanoscale Physics · Physics 2017-03-15 Libor Šmejkal , Jakub Železný , Jairo Sinova , Tomáš Jungwirth

Spin-orbit coupling in inversion-asymmetric magnetic crystals and structures has emerged as a powerful tool to generate complex magnetic textures, interconvert charge and spin under applied current, and control magnetization dynamics.…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 A. Manchon , J. Zelezný , I. M. Miron , T. Jungwirth , J. Sinova , A. Thiaville , K. Garello , P. Gambardella

The interplay between spin reorientation and topological electronic structure in two-dimensional (2D) van der Waals (vdW) ferromagnets is central to understanding how magnetic anisotropy shapes charge transport. Although spin-reorientation…

In the development of spin-based electronic devices, a particular challenge is the manipulation of the magnetic state with high speed and low power consumption. Although research has focused on the current-induced spin-orbit torque based on…

Applied Physics · Physics 2019-05-21 T. H. Kim , S. H. Han , B. K. Cho

Van der Waals ferromagnet Fe3GaTe2 possesses both a high Curie temperature and robust perpendicular magnetic anisotropy, holding promise for practical spintronic applications. In particular, understanding and engineering its Gilbert damping…

Materials Science · Physics 2025-09-11 Jie Wang , Shi-Bo Zhao , Jia-wan Li , Lin Zhuang , Yusheng Hou

An antiferromagnet is a promising material for spin-orbit torque generation. Earlier studies of the spin-orbit torque in an antiferromagnet are limited to collinear spin configurations. We calculate the spin-orbit torque in an…

Mesoscale and Nanoscale Physics · Physics 2018-04-04 Suik Cheon , Hyun-Woo Lee

Antiferromagnets have large potential for ultrafast coherent switching of magnetic order with minimum heat dissipation. In novel materials such as Mn$_2$Au and CuMnAs, electric rather than magnetic fields may control antiferromagnetic order…

Antiferromagnets display enormous potential in spintronics owing to its intrinsic nature, including terahertz resonance, multilevel states, and absence of stray fields. Combining with the layered nature, van der Waals (vdW) antiferromagnets…

We use polarized neutron scattering to demonstrate that in-plane spin excitations in electron doped superconducting BaFe1.904Ni0.096As2 (Tc=19.8 K) change from isotropic to anisotropic in the tetragonal phase well above the…

In a collinear antiferromagnet, spins tend to cant towards the direction of an applied magnetic field, thereby decreasing the energy of the system. The canting angle becomes negligible when the magnetic field is small so that the induced…

Materials Science · Physics 2024-04-10 Zhuoliang Ni , Urban Seifert , Amanda V. Haglund , Nan Huang , David G. Mandrus , Leon Balents , Liang Wu

We theoretically study the current-induced spin torque in antiferromagnetic tunnel junctions, composed of two semi-infinite antiferromagnetic layers separated by a tunnel barrier, in both clean and disordered regimes. We find that the…

Mesoscale and Nanoscale Physics · Physics 2017-04-26 H. Saidaoui , A. Manchon , X. Waintal

We used single-crystal x-ray and neutron diffraction to investigate the crystal and magnetic structures of trigonal lattice iridate Ca2Sr2IrO6. The crystal structure is determined to be $R\bar3$ with two distinct Ir sites. The system…

Strongly Correlated Electrons · Physics 2018-06-14 Jieming Sheng , Feng Ye , Christina Hoffmann , Valentino R. Cooper , Satoshi Okamoto , Jasminka Terzic , Hao Zheng , Hengdi Zhao , G. Cao

The bilayer of CrI3 is a prototypical van der Waals 2D antiferromagnetic material with magnetoelectric effect. It is not generally known, however, that for symmetry reasons the flexomagnetic effect, i.e., the strain gradient-induced…

Materials Science · Physics 2023-07-12 Lei Qiao , Jan Sladek , Vladimir Sladek , Alexey S. Kaminskiy , Alexander P. Pyatakov , Wei Ren