Antiferromagnets have zero net charge and are harsh toward the outer attractive fields. Antiferromagnetic spintronic gadgets hold enormous promise for future superfast and energy-efficient data storage, handling, and transmission stages, potentially resulting in faster and more energy-efficient PCs.
Yet, to be helpful for applications affecting daily existence, the gadgets should have the option to work at room temperature. One of the vital fixings in acknowledging antiferromagnetic spintronics is the infusion of twist current at the antiferromagnetic connection point. Already, effective twist infusion at these connection points has been acknowledged at cryogenic temperatures.
A group led by Igor Barsukov at the University of California, Riverside, as a team with scientists at Helmholtz-Zentrum Dresden-Rossendorf, the University of Utah, and the University of California, Irvine, has now shown effective twist transport in an antiferromagnet/ferromagnet mixture that stays strong up to room temperature. The scientists noticed the coupling of magnonic subsystems in the antiferromagnet and ferromagnet and perceived its significance in turn transport, a vital cycle in the activity of twist-based gadgets.
“Our results combine spin-orbitronic processes of ferromagnetic metals with antiferromagnetic spintronics and represent a substantial step toward the fabrication of room temperature antiferromagnetic spintronics devices,”
Barsukov, an assistant professor of physics and astronomy
The review shows up in Physical Review Research.
“Our outcomes span the turn-orbitronic peculiarities of ferromagnetic metals with antiferromagnetic spintronics and show a huge headway toward the acknowledgment of room-temperature antiferromagnetic spintronic gadgets,” said Barsukov, an associate teacher of material science and cosmology.
Barsukov was joined in the examination by Rodolfo Rodriguez, Shirash Regmi, Hantao Zhang, Wei Yuan, Jing Shi, and Ran Cheng of UCR; Pavlo Makushko, Ihor Veremchuk, René Hübner, and Denys Makarov of Helmholtz-Zentrum Dresden-Rossendorf; and Eric A. Montoya of the University of Utah and previously of UC Irvine.
More information: Rodolfo Rodriguez et al, Robust spin injection via thermal magnon pumping in antiferromagnet/ferromagnet hybrid systems, Physical Review Research (2022). DOI: 10.1103/PhysRevResearch.4.033139
