Large spin to charge conversion in antiferromagnetic Weyl semimetal Mn3Sn
Source abstract
Abstract
The Weyl antiferromagnet Mn3Sn has recently attracted significant attention as it is not only a novel magnetic quantum material of fundamental interest, but it also opens opportunities to investigate a number of exotic spin-dependent transports for practical antiferromagnetic devices. Here, we report the large spin to charge conversion observed in YIG/Mn3Sn. Evidenced by both spin Seebeck and spin pumping measurements, the spin to charge conversion efficiency of Mn3Sn is found ∼2.5 times of that for the conventional heavy metal Ta. Our results suggest a promising potential for employing a topological non-trivial antiferromagnet to achieve more efficient spin to charge conversion than conventional metallic materials.
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Research context
OpenAlex topics: Magnetic properties of thin films · Topological Materials and Phenomena · Multiferroics and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electrical and Computer Engineering, University of California 1 , Los Angeles, California 90095, USA
College of Physics, Sichuan University 2 , Chengdu 610065, China
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences 3 , Beijing 100190, China
Funding
National Science Foundation · Nanosystems Enginerring Research Center for Translational Applications of Nanoscale Multiferroic System · Multidisciplinary University Research Initiative
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