Control of skyrmion lattice order in the van der Waals ferromagnet Fe3GeTe2

Yue Li; Arthur R. C. McCray; Wei Wang; Ramesh Basnet; Krishna Pandey; Xuedan Ma; Jin Hu; Amanda Petford-Long; Charudatta Phatak

doi:10.1117/12.2677891

28 September 2023 Control of skyrmion lattice order in the van der Waals ferromagnet Fe₃GeTe₂

Yue Li, Arthur R. C. McCray, Wei Wang, Ramesh Basnet, Krishna Pandey, Xuedan Ma, Jin Hu, Amanda Petford-Long, Charudatta Phatak

Author Affiliations +

Proceedings Volume 12656, Spintronics XVI; 1265606 (2023) https://doi.org/10.1117/12.2677891
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

Van der Waals ferromagnets are an intersting class of materials for exploring fundamental physics of magnetic order in the 2D limit as well as for technological applicaitons due to possibility of creating novel heterostructures. These materials have shown to host magnetic skyrmion lattices with their organization controlled by the magnetic properties such as anisotropy, exchange, and Dzyaloshinkii-Moriya interaction. For technological applications, it is also necessary to understand to the behavior of skyrmions in response to electric currents. In this work, we show the effect of electric current pulses on the magnetic skyrmions formed in Fe3GeTe2which has a Curie temperature of 220 K. We demonstrate via real-space in situ imaging using Lorentz transmission electron microscopy (LTEM) the effect of temperture and pulse width.

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Yue Li, Arthur R. C. McCray, Wei Wang, Ramesh Basnet, Krishna Pandey, Xuedan Ma, Jin Hu, Amanda Petford-Long, and Charudatta Phatak "Control of skyrmion lattice order in the van der Waals ferromagnet Fe₃GeTe₂", Proc. SPIE 12656, Spintronics XVI, 1265606 (28 September 2023); https://doi.org/10.1117/12.2677891

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