- Charge-to-Spin Conversion by the Rashba-Edelstein Effect in Two.
- Module: Giant Spin Hall Effect - nanoHUB.
- Direct Visualizing the Spin Hall Effect of Light via... - PubMed.
- Large Spin Hall Angle in β -W Thin Films Grown on CoFeB without Oxygen.
- PDF Photonic Spin Hall Effect at Metasurfaces Xiaobo Yin et al. Science 339.
- Giant tunable spin Hall angle in sputtered Bi2Se3 controlled.
- Hayashi Group | Quantum Spintronics/Photonics.
- Determination of the spin Hall angle by the inverse spin Hall effect.
- Composition dependence of the spin-anomalous Hall effect in a.
- Enhanced Photonic Spin Hall Effect Due to Surface Plasmon... - IEEE Xplore.
- Origin and enhancement of the spin Hall angle in the Weyl semimetals.
- Spin Hall effect in topological insulators - J-STAGE.
- Spin-Torque Switching with the Giant Spin Hall Effect of Tantalum.
Charge-to-Spin Conversion by the Rashba-Edelstein Effect in Two.
The spin Hall angle of Pt 1 −x (TiO 2) x in an yttrium iron garnet/Pt 1 −x (TiO 2)... The spin Hall effect originates from three distinct microscopic mechanisms: the intrinsic mechanisms, skew scattering and side-jump. The spin Hall angle can be enhanced by introducing impurities into the metal materials, such as Au or Pd doping into Pt.. Spin Hall angles of α-Ta and (α + β)-Ta are obtained from the inverse spin Hall effect (ISHE) measurements. The spin Hall angle of (α + β)-Ta is estimated to be θ SH = −0.15 ± 0.009 which is relatively higher than that of the α-Ta. Our systematic results connecting the phase of Ta with the seed layer and its effect on the efficiency.
Module: Giant Spin Hall Effect - nanoHUB.
In this article, let us learn about the Hall effect in detail. Principle of Hall effect. The principle of the Hall effect states that when a current-carrying conductor or a semiconductor is introduced to a perpendicular magnetic field, a voltage can be measured at the right angle to the current path. This effect of obtaining a measurable. Model Description. The GSHE module is implemented as two networks, one for "charge-only" direction between terminals 1 and 2 and one for the "spin-only" transverse spin direction between terminals 3 and 4. The "spin-only" direction has a -network of conductances along with the dependent sources that handle the Spin Hall Effect. The U.S. Department of Energy's Office of Scientific and Technical Information.
Direct Visualizing the Spin Hall Effect of Light via... - PubMed.
The effect of magnetic fields on the Hall conductivity signifi-cantly. (ii) The CSS has higher controllability than the IST in termsofthespinhelicity.FortheCSS,onecouldselectoneof the two spin helices by applying a magnetic field during the cooling cycle, while for the IST the spin helicity is fixed by the underlying crystal structure. The relatively large value of the spin Hall angle (5.7 ± 1.4)% shows that ultra-clean e-beam evaporated non-magnetic materials can also have a comparable spin-to-charge current conversion efficiency as sputtered high resistivity layers. Export citation and abstract BibTeX RIS Previous article in issue Next article in issue.
Large Spin Hall Angle in β -W Thin Films Grown on CoFeB without Oxygen.
We have measured the spin-dependent nanometer-sized displacements of the spin Hall effect of the reflected light from a planar air-glass interface.... For a fixed incident angle of 30 deg, the displacement decreases to zero as the polarization angle approaches approximately 39 deg from 0 deg (the horizontal polarization) and then increases in. This model reconciles the previously published spin Hall angle values and explains the different scaling lengths for the ferromagnetic damping and the spin Hall effect induced voltage. Through combined ferromagnetic resonance, spin pumping, and inverse spin Hall effect experiments in Co|Pt bilayers and Co|Cu|Pt trilayers, we demonstrate consistent values of ℓsfPt=3.4±0.4 nm and θSHEPt=0..
PDF Photonic Spin Hall Effect at Metasurfaces Xiaobo Yin et al. Science 339.
We study the origin of the strong spin Hall effect (SHE) in a recently discovered family of Weyl semimetals, LaAl X (X = Si, Ge) via first-principles with maximally localized Wannier functions. We show that the strong intrinsic spin Hall effect in LaAl X originates from the multiple slight anticrossings of nodal lines and points near to the Fermi energy due to their high-mirror symmetry and. The maximum spin Hall angle was determined to be 13.45 at E = −12 kV/cm which is six times larger than the initial state. It is interesting to find the spin Hall angle changed asymmetrically while.
Giant tunable spin Hall angle in sputtered Bi2Se3 controlled.
Spin Hall Magnetoresistance (SMR) is a transport phenomenon that is found in some electrical conductors that have at least one surface in direct contact with another magnetic material due to changes in the spin current that are present in metals and semiconductors with a large spin Hall angle. It is most easily detected when the magnetic.
Hayashi Group | Quantum Spintronics/Photonics.
Spin-orbit torque switching using the spin Hall effect in heavy metals and topological insulators has a great potential for ultralow power magnetoresistive random-access memory. To be competitive with conventional spin-transfer torque switching, a pure spin current source with a large spin Hall angl.
Determination of the spin Hall angle by the inverse spin Hall effect.
Nov 16, 2011 · Several different experimental techniques have been used in efforts to measure the spin Hall conductivity and the spin Hall angle in Pt samples at room temperature, with results that disagree by more than a factor of 20, with spin Hall conductivities from 2.4 x 10^4 to 5.1 x 10^5 [hbar/(2e)] (Ohm-m)^-1 and spin Hall angles from 0.0037 to 0.08. We review this work, and analyze possible reasons. Quantum Hall effect can be considered as a two-dimensional TI with one-dimensional edge states. It was later found that the quantum Hall effect originates from the non-trivial topology of the two-dimensional electron wavefunctions under strong magnetic fields.8) This further led to the prediction of a novel quantum Hall effect without Landau levels.
Composition dependence of the spin-anomalous Hall effect in a.
Feb 07, 2020 · We report an experiment showing the submillimeter Imbert-Fedorov shift from the ultrastrong spin-orbital angular momentum coupling, which is a photonic version of the spin Hall effect, by measuring the reflection of light from the surface of a birefringent symmetrical metal cladding planar waveguide. Abstract. We study theoretically the photonic spin Hall effect (PSHE) in metasurface bilayers with twisted adjacent two-dimensional material layers. When the coupling strength between adjacent twisted metasurfaces is strong, it can be found that the giant PSHE shifts of the reflected and transmitted beams exist at different types of topological.
Enhanced Photonic Spin Hall Effect Due to Surface Plasmon... - IEEE Xplore.
Moreover, we consider several examples of magnetic and structural phase transitions, which are described by more complex Landau-Ginzburg-Wilson Hamiltonians, such as N-component systems with cubic anisotropy, O(N)-symmetric systems in the presence of quenched disorder, frustrated spin systems with noncollinear or canted order, and finally, a. A Hall effect sensor is a sensor that response to a magnetic field. When the hall sensor is put in a magnetic field the electrons running through will move to one side of the sensor. The sensor will then have one positive and one negative side and create a voltage, known as Hall voltage. Proximity (distance) detection, power sensing, speed. Optical spin-Hall effect (SHE) exhibits many intriguing features as a linearly polarized (LP) light beam strikes an interface at incident angles around the Brewster angle, but the underlying physics remains obscure. Here, we elucidate the physics through reanalyzing this problem employing rigorous calculations and the Berry phase concept.
Origin and enhancement of the spin Hall angle in the Weyl semimetals.
Optical spin-Hall effect (SHE) exhibits many intriguing features as a linearly polarized (LP) light beam strikes an interface at incident angles around the Brewster angle, but the underlying physics remains obscure. Here, we elucidate the physics through reanalyzing this problem employing rigorous calculations and the Berry phase concept. As a circularly polarized (CP) light beam strikes an.
Spin Hall effect in topological insulators - J-STAGE.
Our paper on the spin Hall effect in Co-Ga alloy is published. Spin Hall angle of ~0.05 is found in an alloy formed from elements with relatively small spin spin orbit coupling. First principle calculations show that hybridization of the Co 3d and Ga 4p orbitals contribute to the large spin Hall effect in this alloy. Spin Hall effect from 3d-4p.
Spin-Torque Switching with the Giant Spin Hall Effect of Tantalum.
This conversion efficiency is captured by the spin Hall angle, which is defined as the ratio of the spin current to the charge current flowing in a material. While our reported values significantly advance the cutting-edge values seen in oxides, they are smaller than the values seen in two topological insulators ( 15 - 17 ). Quantum Spin Hall Effect in Graphene. C.L. Kane, E.J. Mele. We study the effects of spin orbit interactions on the low energy electronic structure of a single plane of graphene. We find that in an experimentally accessible low temperature regime the symmetry allowed spin orbit potential converts graphene from an ideal two dimensional. Using the inverse spin Hall effect measurements, we obtained a large spin Hall angle of − 0. 4 4 ± ( 0. 0 4) in β -W, which is achieved without using oxygen plasma during growth of tungsten. Keywords: Spintronics. spin Hall angle.
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