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4 October 2022 Non-volatile electric-field control of spin-orbit torques in perpendicular ferromagnet- SrTiO3 system (Conference Presentation)
Aurélie Kandazoglou, Cécile Grezes, Maxen Cosset-Chéneau, Luis Moreno Vincente-Arche, Paolo Sgarro, Paul Noël, Stéphane Auffret, Kévin Garello, Manuel Bibes, Laurent Vila, Jean-Philippe Attané
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Proceedings Volume PC12205, Spintronics XV; PC122051E (2022) https://doi.org/10.1117/12.2635221
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
This work reports remanent electric-control of spin-orbit torques (SOT) in a perpendicular ferromagnet-SrTiO3 system. Non-volatile electric-control of the sheet resistance is achieved with 1150% contrast, and two remanent resistivity states. A remanent electric-control of the SOT efficiency is demonstrated using second harmonic Hall methods, with sign inversion of the anti-damping-like effective field. These results are consistent with a combination of both intrinsic modulation of the SOT efficiency and extrinsic modulation due to the non-volatile electric-control of the current injection in the 2DEG. The non-volatile control of the SOT effective field is evidenced by reproducible inversion of the SOTs after voltage pulses initialization, opening the way to reconfigurable SOT memories and logic-gate architectures.
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Aurélie Kandazoglou, Cécile Grezes, Maxen Cosset-Chéneau, Luis Moreno Vincente-Arche, Paolo Sgarro, Paul Noël, Stéphane Auffret, Kévin Garello, Manuel Bibes, Laurent Vila, and Jean-Philippe Attané "Non-volatile electric-field control of spin-orbit torques in perpendicular ferromagnet- SrTiO3 system (Conference Presentation)", Proc. SPIE PC12205, Spintronics XV, PC122051E (4 October 2022); https://doi.org/10.1117/12.2635221
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KEYWORDS
Control systems
Modulation
Gases
Heterojunctions
Metals
Oxides
Resistance
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