Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems

Manchon, Aurélien; Železný, Jakub; Miron, Ioan Mihai; Jungwirth, T.; Sinova, Jairo; Thiaville, A.; Garello, Kévin; Gambardella, Pietro

doi:10.1103/revmodphys.91.035004

Cited by 1,168 publications

(1,050 citation statements)

References 632 publications

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“…RH vs. Hz curves after applying different single pulses Ip = 26 mA, -30 mA, 34 mA, 38 mA and -38 mA in Hx = 1 kOe for sample Ta (1)/Pt (3)/Co (1)/IrMn (4)/Co (5)/Ta (2). 19 ig. S2.…”

Section: Supplementary Informationmentioning

confidence: 99%

Controlling vertical magnetization shift by spin–orbit torque in ferromagnetic/antiferromagnetic/ferromagnetic heterostructure

Zhou

Liu

Wang

2020

Applied Physics Letters

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We report the control of vertical magnetization shift (VMS) and exchange bias through spin-orbit torque (SOT) in Pt/Co/Ir25Mn75/Co heterostructure device. The exchange bias accompanying with a large relative VMS of about 30 % is observed after applying a single pulse 40 mA in perpendicular field of 2 kOe. Furthermore, the field-free SOT-induced variations of VMS and exchange bias is also observed, which would be related to the effective built-in out-of-plane field due to unequal upward and downward interfacial spin populations. The SOT-induced switched fraction of out-of-plane interfacial spins shows a linear dependence on relative VMS, indicating the number of uncompensated pinned spins are proportional to the switched interfacial spins. Our finding offers a comprehensive understanding for electrically manipulating interfacial spins of AFM materials.Exchange bias (EB) refers to a shift in the hysteresis loop along the magnetic

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“…RH vs. Hz curves after applying different single pulses Ip = 26 mA, -30 mA, 34 mA, 38 mA and -38 mA in Hx = 1 kOe for sample Ta (1)/Pt (3)/Co (1)/IrMn (4)/Co (5)/Ta (2). 19 ig. S2.…”

Section: Supplementary Informationmentioning

confidence: 99%

Controlling vertical magnetization shift by spin–orbit torque in ferromagnetic/antiferromagnetic/ferromagnetic heterostructure

Zhou

Liu

Wang

2020

Applied Physics Letters

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“…The rf field (h rf ) which is perpendicular to the applied magnetic field (H) defines the direction of spin current (Js) (d) FMR spectra of the sample Mn2Au (10 nm)/Co40Fe40B20 (5 nm)/TaOx(2 nm) measured in the frequency range of 5-17 GHz. Open symbols are experimental data, while solid lines are the best fit using equation(3).…”

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confidence: 99%

Large Spin Hall Angle and Spin-Mixing Conductance in the Highly Resistive Antiferromagnet Mn2Au

Singh

Bedanta

2020

Phys. Rev. Applied

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Antiferromagnetic materials (AFM) recently have shown interest in the research in spintronics due to its zero stray magnetic field, high anisotropy, and spin orbit coupling. In this context, the bi-metallic AFM Mn2Au has drawn attention because it exhibits unique properties and its Neel temperature is very high (TN = 1500 K). Here, we report spin pumping and inverse spin Hall effect (ISHE) investigations in Mn2Au/CoFeB bilayer system using ferromagnetic resonance. We found large spin Hall angle θSH = 0.22 with comparable spin Hall conductivity i.e. σSH = 1.46 × 10 5 ( /2e) Ω −1 m −1 to the Pt. Further, we have evaluated the effective spin mixing conductance g ↑↓ ef f = 3.27 × 10 18 m −2 and intrinsic spin mixing conductance g ↑↓ r = 8.83× 10 18 m −2 which are higher than the previously reported value (1.40 × 10 18 m −2 for Mn2Au/Y3Fe5O12).

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“…The precessing ferromagnets attached to the NM layer is expected to have spin accumulation at FM/NM interface, may result in the induced effective field . The precessing ferromagnet Fe 50 Pt 50 (Fe 20 Ni 80 ) at their resonance field, will result in the spin accumulation at interface Cu/Fe 20 Ni 80 (Cu/Fe 50 Pt 50 ), respectively.…”

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confidence: 81%

Spin Pumping in Asymmetric Fe₅₀Pt₅₀/Cu/Fe₂₀Ni₈₀ Trilayer Structure

Medwal

Gupta

Rawat

et al. 2019

Physica Rapid Research Ltrs

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Herein, spin transport dynamics across asymmetric Fe50Pt50/Cu/Fe20Ni80 soft‐magnetic trilayer structure is reported and thereby modulation of magnetic parameters including damping and effective field is determined by means of the angular dependence of broadband ferromagnetic resonance measurements. At distinct precession of individual magnetic layer, spin‐pumping is found to be prevalent with expected linewidth increase. Mutual precession for wide range of resonance configuration reveals a collective reduction in anisotropy field of around 200 mT for both Fe50Pt50 and Fe20Ni80 systems. Subsequent observation of no‐excess interface damping shows the possible control of spin‐pumping effect by tuning the net flow of spin‐current in a multilayer structure. These experimental findings have significance for microwave devices that require tunable anisotropy field in magnetic multilayers.

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Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems

Cited by 1,168 publications

References 632 publications

Controlling vertical magnetization shift by spin–orbit torque in ferromagnetic/antiferromagnetic/ferromagnetic heterostructure

Controlling vertical magnetization shift by spin–orbit torque in ferromagnetic/antiferromagnetic/ferromagnetic heterostructure

Large Spin Hall Angle and Spin-Mixing Conductance in the Highly Resistive Antiferromagnet Mn2Au

Spin Pumping in Asymmetric Fe₅₀Pt₅₀/Cu/Fe₂₀Ni₈₀ Trilayer Structure

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Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems

Cited by 1,168 publications

References 632 publications

Controlling vertical magnetization shift by spin–orbit torque in ferromagnetic/antiferromagnetic/ferromagnetic heterostructure

Controlling vertical magnetization shift by spin–orbit torque in ferromagnetic/antiferromagnetic/ferromagnetic heterostructure

Large Spin Hall Angle and Spin-Mixing Conductance in the Highly Resistive Antiferromagnet Mn2Au

Spin Pumping in Asymmetric Fe50Pt50/Cu/Fe20Ni80 Trilayer Structure

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Product

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Spin Pumping in Asymmetric Fe₅₀Pt₅₀/Cu/Fe₂₀Ni₈₀ Trilayer Structure