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Modeling Ultrafast All-optical Switching in Synthetic Ferrimagnets by Gerlach, Stefan; Oroszlany, Laszlo; Hinzke, Denise; Sievering, Steffen; Wienholdt, Sönke; Szunyogh, Laszlo; Nowak, Ulrich is a scholarly article available to read on EtoBox.

What is Modeling Ultrafast All-optical Switching in Synthetic Ferrimagnets about?

Based on numerical simulations, we demonstrate thermally induced magnetic switching in synthetic ferrimagnets composed of multilayers of rare-earth and transition metals. Our findings show that deterministic magnetization reversal occurs above a certain threshold temperature if the ratio of transition metal atoms to rare-earth atoms is sufficiently large. Surprisingly, the total thickness of the multilayer system has little effect on the occurence of switching. We further provide a simple argument to explain the temperature dependence of the reversal process.

Author

Gerlach, Stefan; Oroszlany, Laszlo; Hinzke, Denise; Sievering, Steffen; Wienholdt, Sönke; Szunyogh, Laszlo; Nowak, Ulrich

Published

2017

Language

EN