Field-free spin–orbit torque driven multi-state reversal in wedged Ta/MgO/CoFeB/MgO heterostructures
We report a current-induced four-state magnetization reversal under zero magnetic field in a wedged Ta/MgO/CoFeB/MgO heterostructure with a perpendicular magnetic anisotropy. Anomalous Hall effect and magneto-optical Kerr effect microscopy measurements were performed to demonstrate that the field-fr...
Main Authors: | , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
AIP Publishing LLC
2021-07-01
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Series: | APL Materials |
Online Access: | http://dx.doi.org/10.1063/5.0053896 |