Wed, 16.06.2021  |  14:00
virtual, via Zoom Link

Time- and spatially-resolved magnetization dynamics induced by charge-spin conversion phenomena

Prof. Dr. Pietro Gambardella | ETH Zurich

talks about

The spintronics landscape has changed dramatically over the last ten years thanks to a deeper understanding of the charge-spin conversion processes and magnetic interactions mediated by spin-orbit coupling in different classes of materials [1]. In this talk, I will review prominent mechanisms that give rise to nonequilibrium spin accumulation and spin-orbit torques in ferromagnetic and ferrimagnetic heterostructures, showing how magnetization reversal and domain wall motion triggered by current pulses unfolds in time and space. Illustrative examples will include electrical, magneto-optical and x-ray measurements of magnetic dots, tunnel junctions, and domain wall logic circuits.

 

[1] Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems

A. Manchon, J. Železný, I.M. Miron, T. Jungwirth, J. Sinova, A. Thiaville, K. Garello, and P. Gambardella, Rev. Mod. Phys. 91, 035004 (2019).

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