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Detecting Slow Magnetization Relaxation via Magnetotransport Measurements Based on the Current-reversal Method by Beckert, Sebastian; Schlitz, Richard; Skobjin, Gregor; Badura, Antonin; Leiviskä, Miina; Kriegner, Dominik; Scheffler, Daniel; Sala, Giacomo; Olejník, Kamil; Michez, Lisa; Baltz, Vincent; Thomas, Andy; Reichlová, Helena; Goennenwein, Sebastian T. B. is a scholarly article available to read on EtoBox.

What is Detecting Slow Magnetization Relaxation via Magnetotransport Measurements Based on the Current-reversal Method about?

Slow magnetization relaxation processes are an important time-dependent property of many magnetic materials. We show that magnetotransport measurements based on a well-established current-reversal method can be utilized to implement a simple and robust screening scheme for such relaxation processes. We demonstrate our approach considering the anomalous Hall effect in a Pt/Co/AlOx trilayer model system, and then explore relaxation in {\tau} -MnAl films. Compared to magnetotransport experiments based on ac lock-in techniques, we find that the dc current-reversal method is particulary sensitive to relaxation processes with relaxation time scales on the order of seconds, comparable to the current-reversal measurement time scales.

Author

Beckert, Sebastian; Schlitz, Richard; Skobjin, Gregor; Badura, Antonin; Leiviskä, Miina; Kriegner, Dominik; Scheffler, Daniel; Sala, Giacomo; Olejník, Kamil; Michez, Lisa; Baltz, Vincent; Thomas, Andy; Reichlová, Helena; Goennenwein, Sebastian T. B.

Published

2024

Language

EN