Ferrimagnetic spin electronics

Michael Coey; Karsten Rode; Zsolt Gercsi

doi:10.1117/12.2679088

28 September 2023 Ferrimagnetic spin electronics

Michael Coey, Karsten Rode, Zsolt Gercsi

Proceedings Volume PC12656, Spintronics XVI; PC126561C (2023) https://doi.org/10.1117/12.2679088
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

Ferrimagnetic metals have evident potential for spintronic applications, combining the advantages of ferromagnets and antiferromagnets in one material that exhibits high spin polarization and magnetic compensation. Three versatile families with high ferrimagnetic Néel temperatures are manganese-based Heusler alloys, manganese-based interstitial antiperovskites and rare-earth cobalt amorphous alloys. Ferrimagnetism in Mn-based alloys is related to the separation-dependence of direct nearest-neighbour exchange interactions. The possibility of single-layer spin-orbit torque excitation is investigated in the Mn-based materials, as well as single-pulse all-optical switching and topological Hall effects in all three systems. A scheme associating light with spintronics in new universal memory will be discussed.

Conference Presentation

Citation Download Citation

Michael Coey, Karsten Rode, and Zsolt Gercsi "Ferrimagnetic spin electronics", Proc. SPIE PC12656, Spintronics XVI, PC126561C (28 September 2023); https://doi.org/10.1117/12.2679088

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