Suppression of the fieldlike spin-orbit torque efficiency due to the magnetic proximity effect in ferromagnet/platinum bilayers

Abstract

Current-induced spin-orbit torques in Co${}_2$FeAl/Pt ultrathin bilayers are studied using a magnetoresistive harmonic response technique, which distinguishes the dampinglike and fieldlike contributions. The presence of a temperature-dependent magnetic proximity effect is observed through the anomalous Hall and anisotropic magnetoresistances, which are enhanced at low temperatures for thin platinum thicknesses. The fieldlike torque efficiency decreases steadily as the temperature is lowered for all Pt thicknesses studied, which we propose is related to the influence of the magnetic proximity effect on the fieldlike torque mechanism.

References in corpus (26)

• Spin torque switching with the giant spin Hall effect of tantalum
• Magnetic switching by spin torque from the spin Hall effect
• Current-driven dynamics of chiral ferromagnetic domain walls
• Spin Caloritronics
• Spin Hall Magnetoresistance Induced by a Non-Equilibrium Proximity Effect
• Layer thickness dependence of the current induced effective field vector in Ta|CoFeB|MgO
• Theory of spin Hall magnetoresistance
• Quantitative study of the spin Hall magnetoresistance in ferromagnetic insulator/normal metal hybrids
• Current induced torques and interfacial spin-orbit coupling: Semiclassical Modeling
• Dependence of the Efficiency of Spin Hall Torque on the Transparency of Pt-Ferromagnetic Layer Interfaces
• Spin torque study of the spin Hall conductivity and spin diffusion length in platinum thin films with varying resistivity
• Interplay of spin-orbit torque and thermoelectric effects in ferromagnet/normal metal bilayers
• Spin Hall magnetoresistance in metallic bilayers
• Tuning the spin Hall effect of Pt from the moderately dirty to the superclean regime
• Spin Transport at Interfaces with Spin-Orbit Coupling: Phenomenology
• Spin-transport in multi-terminal normal metal - ferromagnet systems with non-collinear magnetizations
• Angular and temperature dependence of current induced spin-orbit effective fields in Ta/CoFeB/MgO nanowires
• Spin Transport at Interfaces with Spin-Orbit Coupling: Formalism
• Comparison of spin-orbit torques and spin pumping across NiFe/Pt and NiFe/Cu/Pt interfaces
• On the origin of field-like spin-orbit torques in heavy metal-ferromagnet-oxide thin film heterostructures
• Anomalous temperature dependence of current induced torques in CoFeB|MgO heterostructures with Ta based underlayers
• Temperature dependent spin transport properties of Platinum inferred from spin Hall magnetoresistance measurements
• Anomalous Hall effect in YIG$|$Pt bilayers
• Static magnetic proximity effect in Pt/Ni${}_{1-x}$Fe${}_x$ bilayers investigated by x-ray resonant magnetic reflectivity
• Temperature-dependent proximity magnetism in Pt
• Investigation of Magnetic Proximity Effect inTa/YIG Bilayer Hall Bar Structure

Cited by in corpus (15)

• Strong damping-like spin-orbit torque and tunable Dzyaloshinskii-Moriya interaction generated by low-resistivity Pd${}_{1-x}$Pt${}_x$ alloys
• Maximizing Spin-Orbit Torque Generated by the Spin Hall Effect of Pt
• Irrelevance of magnetic proximity effect to spin-orbit torques in heavy metal/ferromagnet bilayers
• Field-free spin-orbit torque switching in Co/Pt/Co multilayer with mixed magnetic anisotropies
• Asymmetric modification of the magnetic proximity effect in Pt/Co/Pt trilayers by the insertion of a Ta buffer layer
• Threshold Interface Magnetization Required to Induce Magnetic Proximity Effect
• Spin-orbit-proximitized ferromagnetic metal by monolayer transition metal dichalcogenide: Atlas of spectral functions, spin textures and spin-orbit torques in Co/MoSe${}_2$, Co/WSe${}_2$ and Co/TaSe${}_2$ heterostructures
• Impact of the magnetic proximity effect in Pt on the total magnetic moment of Pt/Co/Ta trilayers studied by x-ray resonant magnetic reflectivity
• Unconventional anomalous Hall effect in 3d/5d multilayers mediated by the nonlocal spin-conductivity
• Bulk and interface spin-orbit torques in Pt/Co/MgO thin film structures
• Spin-current-related magnetoresistance in epitaxial Pt/Co bilayers in the presence of spin Hall effect and Rashba-Edelstein effect
• Quantitative comparison of the magnetic proximity effect in Pt detected by XRMR and XMCD
• Estimation of spin-orbit torques in the presence of current-induced magnon creation and annihilation
• Magnetism and nonlinear charge transport in NiFe2O4/γ-Al2O3/SrTiO3 heterostructure: Toward Spintronic Applications
• Unidirectional spin Hall magnetoresistance and spin-orbit torques in HM${}_1$/Co/HM${}_2$ trilayer systems