2021
DOI: 10.1103/physrevapplied.15.014017
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Current-Induced Magnetization Switching of Exchange-Biased NiO Heterostructures Characterized by Spin-Orbit Torque

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Cited by 18 publications
(16 citation statements)
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“…This layer also supports exchange bias (EB) coupling at the Co/NiO interface that enables field‐free magnetization switching of the Co layer by spin−orbit torque (SOT). [ 24 ] Note that oxidation is an important method to tune SOTs, [ 25,26 ] which was already demonstrated in heavy metal/Co/oxide systems. Recently, it was shown that oxidation of the Ni layer is responsible for spin textures with left‐handed chirality through the Dzyaloshinskii−Moriya interaction.…”
Section: Introductionmentioning
confidence: 99%
“…This layer also supports exchange bias (EB) coupling at the Co/NiO interface that enables field‐free magnetization switching of the Co layer by spin−orbit torque (SOT). [ 24 ] Note that oxidation is an important method to tune SOTs, [ 25,26 ] which was already demonstrated in heavy metal/Co/oxide systems. Recently, it was shown that oxidation of the Ni layer is responsible for spin textures with left‐handed chirality through the Dzyaloshinskii−Moriya interaction.…”
Section: Introductionmentioning
confidence: 99%
“…Next, we discuss an example of SOT-induced magnetisation switching in the HM/FM bilayer. The experimental data were obtained in the multilayer system: Pt(4 nm)/Co(1 nm)/MgO (A1) from the work of Grochot et al 50 . In this case, we reproduce the theoretical switching behaviour of the system using the field-like and damping-like SOT, and magnetic parameters obtained from the experiment.…”
Section: Cimsmentioning
confidence: 99%
“…Nevertheless, the use of metallic spin sink layers is generally discouraged due to the potential increase in energy consumption resulting from current shunting. Recently, antiferromagnetic insulators have gained attention for their capabilities in high-efficiency, electron-free spin current transmission. Within this context, the insulating NiO film, with a high bulk Néel temperature of over 500 K, emerges as a notable candidate in spintronics. , Magnon-mediated magnetization switching was achieved with remarkable efficiency in the all-oxide heterostructure of SrRuO 3 /NiO/SrIrO 3 . Specifically, by inserting an insulating NiO layer within an in-plane magnetized Pt/NiO/CoFeB structure, the SOT efficiency of Pt can be significantly enhanced, potentially reaching the upper limit of the spin Hall angle.…”
Section: Introductionmentioning
confidence: 99%