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The synergy of ferroicity with altermagnetism offers a novel platform for designing multifunctional altermagnetic-spintronic device technology. In this work, we propose a mechanism to achieve nonvolatile electrical manipulation of spin and…

Materials Science · Physics 2026-03-12 Rui Peng , Guangxu Su , Yangyang Fan , Jiaan Li , Fanxin Liu , Yee Sin Ang

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

We report the emergence of an uncharted phenomenon, termed $d$-wave polarization-spin locking (PSL), in two-dimensional (2D) altermagnets. This phenomenon arises from nontrivial Berry connections, resulting in perpendicular electronic…

Mesoscale and Nanoscale Physics · Physics 2025-10-13 Zhao Liu , Nikhil V. Medhekar

Controlling spin current lies at the heart of spintronics and its applications. The sign of spin currents is monotonous in ferromagnets once the current direction is determined. Spin currents in antiferromagnets can possess opposite…

This Letter presents a theoretical analysis of propagation of spin waves in a superconducting ferromagnet. The surface impedance was calculated for the case when the magnetization is normal to the sample surface. We found the frequencies at…

Condensed Matter · Physics 2009-11-10 V. Braude , E. B. Sonin

We theoretically and numerically elucidate the electrical control over spin waves in antiferromagnetic materials (AFM) with biaxial anisotropies and Dzyaloshinskii-Moriya interactions. The spin wave dispersion in an AFM manifests as a…

Applied Physics · Physics 2024-11-21 T. H. Kim , Jung-Il Kim , Geun-Ju Kim , Kwang-Ho Jang , G. -M. Choi

We study the problem of controlling spin waves propagation through an antiferromagnet/ferromagnet interface via tuning material parameters. It is done by introducing the degree of sublattice noncompensation of antiferromagnet (DSNA), which…

Mesoscale and Nanoscale Physics · Physics 2021-12-30 Oksana Busel , Oksana Gorobets , Oleg A. Tretiakov

Spintronics, a technology harnessing electron spin for information transmission, offers a promising avenue to surpass the limitations of conventional electronic devices. While the spin directly interacts with the magnetic field, its control…

Applied Physics · Physics 2024-12-11 Run-Wu Zhang , Chaoxi Cui , Runze Li , Jingyi Duan , Lei Li , Zhi-Ming Yu , Yugui Yao

We demonstrate microwave manipulation of the spin states of electrically injected spin-polarized electrons in silicon. Although the silicon channel is bounded by ferromagnetic metal films, we show that moderate microwave power can be…

Mesoscale and Nanoscale Physics · Physics 2013-12-16 C. C. Lo , J. Li , I. Appelbaum , J. J. L. Morton

In antiferromagnets, dipolar coupling is often disregarded due to the cancellation of magnetic moments between the two sublattices, leaving spin-wave dispersion predominantly determined by exchange interactions. However, antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2025-05-21 Jiongjie Wang , Jiang Xiao

Conventional computer electronics creates a dichotomy between how information is processed and how it is stored. Silicon chips process information by controlling the flow of charge through a network of logic gates. This information is then…

Materials Science · Physics 2012-11-27 A. Chernyshov , M. Overby , X. Liu , J. K. Furdyna , Y. Lyanda-Geller , L. P. Rokhinson

Antiferromagnetic (AFM) materials have potential advantages for spintronics due to their robustness, ultrafast dynamics, and magnetotransport effects. However, the missing spontaneous polarization and magnetization hinders the efficient…

Materials Science · Physics 2023-08-29 San-Dong Guo , Guang-Zhao Wang , Yee Sin Ang

Spintronic and nanomagnetic devices often derive their functionality from layers of different materials and the interfaces between them. This is especially true for synthetic antiferromagnets - two or more ferromagnetic layers that are…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 R. A. Duine , Kyung-Jin Lee , Stuart S. P. Parkin , M. D. Stiles

Organic spintronic devices have been appealing because of the long spin life time of the charge carriers in the organic materials and their low cost, flexibility and chemical diversity. In previous studies, the control of resistance of…

Strain engineering is widely used to manipulate the electronic and magnetic properties of complex materials. An attractive route to control magnetism with strain is provided by the piezomagnetic effect, whereby the staggered spin structure…

Artificial spin ices are ensembles of geometrically-arranged, interacting nanomagnets which have shown promising potential for the realization of reconfigurable magnonic crystals. Such systems allow for the manipulation of spin waves on the…

Mesoscale and Nanoscale Physics · Physics 2020-04-21 Ezio Iacocca , Sebastian Gliga , Olle Heinonen

We theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferromagnetic and antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2012-03-22 Haiqing Xie , Qiang Wang , Bo Chang , Hujun Jiao , J. -Q. Liang

One of the key challenges for spintronic and novel quantum technologies is to achieve active control of the spin angular momentum of electrons in nanoscale materials on ultrafast, femtosecond timescales. While conventional ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2024-05-13 Benito Arnoldi , Sara L. Zachritz , Sebastian Hedwig , Martin Aeschlimann , Oliver L. A. Monti , Benjamin Stadtmüller

We demonstrate a strong tunability of the spin-pumping contribution to magnetic damping in a thin-film ferromagnetic free layer interfaced with a synthetic ferrimagnet (SFM), acting as a spin-sink, via a thin Cu-spacer. The effect strongly…

Femtosecond laser pulses can be used to induce ultrafast changes of the magnetization in magnetic materials. Several microscopic mechanisms have been proposed to explain the observations, including the transport of ultrashort spin-polarized…