English
Related papers

Related papers: Spin wave amplification using the spin Hall effect…

200 papers

The spin-to-charge current interconversion in bilayers composed of ferromagnetic and nonmagnetic layers with strong spin-orbit coupling has garnered considerable attention due to its exceptional potential in advancing spintronics devices…

We have studied the spin transport and the spin Hall effect as a function of temperature for platinum (Pt) and gold (Au) in lateral spin valve structures. First, by using the spin absorption technique, we extract the spin diffusion length…

Mesoscale and Nanoscale Physics · Physics 2015-01-19 Miren Isasa , Estitxu Villamor , Luis E. Hueso , Martin Gradhand , Fèlix Casanova

We predict a new effect in electronic bilayers: the {\it Spin Hall Drag}. The effect consists in the generation of spin accumulation across one layer by an electric current along the other layer. It arises from the combined action of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. M. Badalyan , G. Vignale

The spin pumping efficiency of lateral standing spin wave modes in a rectangular YIG/Pt sample has been investigated by means of the inverse spin-Hall effect (ISHE). The standing spin waves drive spin pumping, the generation of spin…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 C. W. Sandweg , Y. Kajiwara , K. Ando , E. Saitoh , B. Hillebrands

The spin Hall effect creates a spin current in response to a charge current in a material that has strong spin-orbit coupling. The size of the spin Hall effect in many materials is disputed, requiring independent measurements of the effect.…

Mesoscale and Nanoscale Physics · Physics 2016-05-10 Joseph A. Boales , Carl T. Boone , Pritiraj Mohanty

Spin diffusion length of Pt is evaluated via proximity effect of spin orbit coupling (SOC) and anomalous Hall effect (AHE) in Pt/Co2FeAl bilayers. By varying the thicknesses of Pt and Co2FeAl layer, the thickness dependences of AHE…

Materials Science · Physics 2016-04-20 Y. Q. Zhang , N. Y. Sun , W. R. Che , R. Shan , Z. G. Zhu

Spin-orbit-torque-driven auto-oscillations in spin Hall nano-oscillators (SHNOs) offer a transformative pathway toward energy-efficient, nanoscale microwave devices for next-generation neuromorphic computing and high-frequency technologies.…

The spin Hall effect is a phenomenon that an electric field induces a spin Hall current. In this Letter, we examine the inverse effect that, in a ferromagnetic conductor, a charge Hall current is induced by a spin motive force, or a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Junya Shibata , Hiroshi Kohno

Field-like spin orbit torque in FeMn/Pt bilayers with ultra-thin polycrystalline FeMn has been characterized through planar Hall effect measurements. A large effective field is obtained for FeMn in the thickness range of 2 to 5 nm. The…

Mesoscale and Nanoscale Physics · Physics 2016-10-05 Yumeng Yang , Yanjun Xu , Xiaoshan Zhang , Ying Wang , Shufeng Zhang , Run-Wei Li , Meysam Sharifzadeh Mirshekarloo , Kui Yao , Yihong Wu

Spin Hall effects are a collection of phenomena, resulting from spin-orbit coupling, in which an electrical current flowing through a sample can lead to spin transport in a perpendicular direction and spin accumulation at lateral…

Mesoscale and Nanoscale Physics · Physics 2007-09-18 Hans-Andreas Engel , Emmanuel I. Rashba , Bertrand I. Halperin

The stationary state of the spin-Hall bar is studied in the framework of a variational approach that includes non-equilibrium screening effects. The minimization of the power dissipated in the system is performed with taking into account…

Mesoscale and Nanoscale Physics · Physics 2022-05-25 M. Creff , E. Olive , J. -E. Wegrowe

We have demonstrated the electrical generation and detection of spin polarization by the spin Hall effect (SHE) in platinum. The experiment was performed in a non-local geometry without the use of ferromagnetic materials or magnetic field.…

Mesoscale and Nanoscale Physics · Physics 2010-06-11 Chee Weng Koong , Berthold-Georg Englert , Christian Miniatura , N. Chandrasekhar

We generalize the spin Hall angle to laser pulses of finite frequencies in the linear response regime and predict a giant optical spin Hall effect. Namely, for certain transition metal elements, at particular frequencies, the spin current…

Mesoscale and Nanoscale Physics · Physics 2022-04-06 P. Elliott , S. Shallcross , Sangeeta Sharma

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…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 T. A. Peterson , A. P. McFadden , C. J. Palmstrøm , P. A. Crowell

We report on the determination of the spin Hall angle and the identification of the role of the interface roughness for the inverse spin Hall effect (ISHE) in ultra-clean, defect-reduced epitaxial Pt films. By applying vector network…

We investigate the spin Hall effect of W-Hf thin films, which exhibit a phase transition from a segregated phase mixture to an amorphous alloy below 70% W. The spin Hall angle was determined with a planar harmonic Hall voltage technique.…

Materials Science · Physics 2018-10-03 Markus Meinert , Katharina Fritz , Sebastian Wimmer , Hubert Ebert

We study spin accumulation in an aluminium island, in which the injection of a spin current and the detection of the spin accumulation are done by means of four cobalt electrodes that connect to the island through transparent tunnel…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. V. Costache , M. Zaffalon , B. J. van Wees

Electrical detection of topological magnetic textures such as skyrmions is currently limited to conducting materials. While magnetic insulators offer key advantages for skyrmion technologies with high speed and low loss, they have not yet…

When a spin-splitting field is introduced to a thin film superconductor, the spin currents polarized along the field couples to energy currents that can only decay via inelastic scattering. We study spin and energy injection into such a…

Mesoscale and Nanoscale Physics · Physics 2024-06-05 Lina Johnsen Kamra , Jacob Linder

We experimentally demonstrate that a spin current can be induced by the acousto-electric evanescent wave, an electric field associated with surface acoustic waves (SAWs) that decay along the surface normal. A previous study showed that a…

‹ Prev 1 4 5 6 7 8 10 Next ›