Spin pumping effect

Author: zueh

August undefined, 2024

WebJun 28, 2024 · The spin-to-charge current conversion, occurring at the graphene layer, is explained by the extrinsic spin-orbit interaction induced by the proximity effect with the ferromagnetic layer.

Schematic model of spin-pump/spin-sink mechanism in magnetic …

WebMar 1, 2024 · The so-called spin pumping effect will cause an additional non-local Gilbert-type damping, which can be used to assess the transmission and reflection of spin currents at the HM/FM interface in term of the spin mixing conductance G m i x ↑ ↓. Web(a) A schematic illustration of the Ni 81 Fe 19 /Pt film used in the present study. H is the external magnetic field. (b) A schematic illustration of the spin pumping and the inverse spin Hall effect in the Ni 81 Fe 19 /Pt film. M (t) is the magnetization in the Ni 81 Fe 19 layer. E ISHE ⁠, J s ⁠, and σ denote the electromotive force due to the inverse spin Hall effect, the … domino\u0027s pizza moose jaw

Thickness and power dependence of the spin-pumping effect in

WebApr 11, 2024 · The orbital pumping is the orbital counterpart of the spin pumping, which is one of the most versatile and powerful mechanisms for spin-current generation. We show that the orbital pumping in Ni/Ti bilayers injects an orbital current into the Ti layer, which is detected through the inverse orbital Hall effect. WebMay 23, 2011 · Spin pumping has been previously detected indirectly by increased damping due to the leakage of energy and angular momentum out of the ferromagnet into the conductor [9], spin back-flow induced voltages [10], and the inverse spin Hall effect (ISHE) [11], in which a spin current induces a transverse electromotive force in a normal metal … WebThe spectral shape of the electromotive force is well reproduced using a simple Lorentz function, indicating that the electromotive force is due to the ISHE induced by the spin pumping; extrinsic magnetogalvanic effects are eliminated in this measurement. qpsk仿真实验报告

[1108.0385] Spin Pumping and Spin Transfer - arXiv

Spin Pumping - Spintronics for Next Generation Innovative Devices …

WebMar 1, 2024 · The so-called spin pumping effect will cause an additional non-local Gilbert-type damping, which can be used to assess the transmission and reflection of spin … WebApr 2, 2015 · The spin-mixing process generates the Sz = 0 triplet component from a spin-singlet source through spin-dependent phase shifts that the electrons experience when propagating through a... qpsk usrpWebThe spin dynamic process of the IrMn/CoFe system has been investigated by the time-resolved magneto-optical Kerr effect. It is found that both spin pumping and the interfacial exchange spring effect between IrMn and CoFe layers contribute to the total effective Gilbert damping. With the increase in IrMn layer thickness (tIrMn), the saturated damping factor … qpsk星座图

"WebThis chapter describes experiments on the generation and detection of spin currents using the spin pumping and inverse spin-Hall effect. The inverse spin-Hall effect, conversion of spin currents into an electric voltage through spin-orbit interaction, induced by the spin pumping was first discovered in a metallic film. " - Spin pumping effect

Spin pumping effect

Spin pumping and inverse spin Hall effect in CoFeB/IrMn ...

Spin pumping is a method of generating a spin current, the spintronic analog of a battery in conventional electronics. In order to make a spintronic device, the primary requirement is to have a system that: can generate a current of spin-polarized electrons andis sensitive to the spin polarization. Most spintronic … See more Spin tunneling transport at the interface between a normal metal and a ferromagnetic insulator can be driven by microwave irradiation on the ferromagnetic side. See more The spin pumped into an adjacent layer by a precessing magnetic moment is given by where See more • Spintronic • Spin wave • Spin Engineering • Spin Hall effect See more WebAug 3, 2024 · We present a spin pumping and inverse spin Hall effect study in a series of CoFeB/IrMn heterostructures. The IrMn has been grown in AFM phase. Angle dependent …

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WebApr 7, 2015 · The dependence of the spin-pumping effect on the yttrium iron garnet (Y 3 Fe 5 O 12, YIG) thickness detected by the inverse spin Hall effect (ISHE) has been investigated quantitatively.Due to the spin-pumping effect driven by the magnetization precession in the ferrimagnetic insulator Y 3 Fe 5 O 12 film a spin-polarized electron current is injected into … WebSpin-pumping [1] refers to a phenomenon where pure spin currents are injected from rotating magnets into the magnet's surroundings. Experimentally, the effect is usually achieved through placing the magnet …

WebJan 8, 2016 · This chapter is devoted to spin pumping. Spin pumping is the Onsager reciprocal of the spin transfer torque (STT) effect. Both STT and spin pumping are related to the transfer of spin... WebJan 14, 2024 · AFM metals with large spin–orbit coupling (SOC) can act as spin current detectors via the inverse spin Hall effect (ISHE), where a detectable transverse charge current is converted from a...

WebThe spin pumping from an insulator enables nonlinear generation of spin currents: nonlinear spin pumping. The combination of the spin pumping and inverse spin-Hall effect provides … WebApr 12, 2024 · The dominant mechanism being responsible for the THz emission is the anomalous Hall effect (AHE), which is an effect of a net backflow current in the FM layer created by the spin polarized current ...

WebSpin valves based on materials in which the spin-flip is suppressed by the spatial separation of charge carriers, while maintaining electric neutrality in the valve volume, are …

WebThe ultrafast laser pulses effectively enhance the interfacial spin pumping effect via tuning the spin diffusion length of the adjacent Ta layer, from 2.4 to 7.1 nm. Our findings provide insights ... qpsk vodafoneWebMay 5, 2005 · dependence of the spin-pumping effect with the atomic num-ber of the spacer-layer material was also predicted in Refs. 4. and 5, via the spin-ﬂip probability, which rapidly increases. domino\u0027s pizza monsWebJun 15, 2024 · Alloying Pt and Cu improved the spin Hall efficiency of Pt 75 Cu 25 /Co/Ta by 29% to a value of 0.31 ± 0.03 at 407 K. However, the critical switching current density is dependent on the ratio... qpsk usbWebThe FMR linewidth and its anisotropy in F/f/F/AF multilayers, where spacer f has a low Curie point compared to the strongly ferromagnetic F and F, is investigated. The role of the interlayer exchange coupling in magnet… qpsk pskWebJul 22, 2011 · We systematically measured the dc voltage V(ISH) induced by spin pumping together with the inverse spin Hall effect in ferromagnet-platinum bilayer films. In all our samples, comprising ferromagnetic 3d transition metals, Heusler compounds, ferrite spinel oxides, and magnetic semiconductors, V(ISH) invariably has the same polarity, and scales ... qpsk仿真WebJan 8, 2016 · Spin pumping is a mechanism that generates spin currents from ferromagnetic resonance (FMR) over macroscopic interfacial areas, thereby enabling … qpsk信号WebSep 12, 2011 · Once put into motion and left to itself, a spinning top will slow down after a few rotations and eventually come to a halt. Friction losses deprive it of energy, until it … domino\u0027s pizza moore oklahoma