Laser-Induced Topological Toggle Switching at Room Temperature in the van der Waals Ferromagnet Fe3GaTe2

January 2026 Charlie W. F. Freeman; Woohyun Cho; Paul S. Keatley; PeiYu Cai; Elton J. G. Santos; Robert J. Hicken; H. Yang; Hidekazu Kurebayashi; Murat Cubukcu; Maciej Dabrowski npj Spintronics 4, 24 (2026)

#Spintronics #Skyrmions #Thermodynamics

Summary

We report laser-driven topological toggle switching in Fe3GaTe2 at room temperature and analyze the switching pathway.

My contribution

I simulated the thermodynamics of topological switching and demonstrated how thermal fluctuations and external fields enable skyrmion formation and deformation consistent with all-optical switching.