Additive Dzyaloshinskii–Moriya interaction in Pt/Co/Re films
Source abstract
Abstract
We report the Dzyaloshinskii–Moriya interaction (DMI) in Pt/Co/Re films. By measuring the current-induced hysteresis loop shift, we find that the interfacial DMI in the Pt/Co/Re structure is 2.1 pJ/m, which is stronger than that in Ir/Co/Pt asymmetric multilayers. The large DMI in this system can be attributed to an additive DMI at the Pt/Co and Co/Re interfaces; the Co/Re interface hosts a large DMI whose sign is the same as that at the Pt/Co interface. The additive DMI due to the large DMI at the Co/Re interface is consistent with theoretical predictions. The result provides a way to control the formation of chiral spin textures, such as magnetic skyrmions and chiral domain walls.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Magnetic properties of thin films · Theoretical and Computational Physics · Advanced Memory and Neural Computing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Applied Physics and Physico-Informatics, Keio University 1 , Yokohama 223-8522, Japan
IBM Research - Tokyo 2 , Kawasaki 212-0032, Japan
Keio Institute of Pure and Applied Science, Keio University 3 , Yokohama 223-8522, Japan
Center for Spintronics Research Network, Keio University 4 , Yokohama 223-8522, Japan
Funding
Japan Society for the Promotion of Science · Japan Science and Technology Agency · Asahi Glass Foundation · Spintronics Research Network of Japan
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