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相关论文: Spin Hall Angle Quantification from Spin Pumping a…

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Rectification of microwave oscillations of magnetization in a permalloy film is realized using planar Hall effect. Two different rectified signals are obtained: a signal from the linearly excited uniform magnetization precession at the…

介观与纳米尺度物理 · 物理学 2016-02-22 Yuri V. Kobljanskyj , Gennadii A. Melkov , Alexander A. Serga , Andrei N. Slavin , Burkard Hillebrands

The photonic spin Hall effect (SHE), featured by a spin-dependent transverse shift of an impinging optical beam driven by its polarization handedness, has many applications including precise metrology and spin-based nanophotonic devices. It…

光学 · 物理学 2019-09-25 Xinxing Zhou , Xiao Lin , Zhicheng Xiao , Tony Low , Andrea Alù , Baile Zhang , Handong Sun

There exists considerable confusion in estimating the spin diffusion length of materials with high spin-orbit coupling from spin pumping experiments. For designing functional devices, it is important to determine the spin diffusion length…

介观与纳米尺度物理 · 物理学 2017-11-27 Kuntal Roy

Harmonic Hall voltage measurements are a wide-spread quantitative technique for the measurement of spin-orbit induced effective fields in heavy-metal / ferromagnet heterostructures. In the vicinity of the voltage pickup lines in the Hall…

介观与纳米尺度物理 · 物理学 2018-04-23 Lukas Neumann , Markus Meinert

We systematically measure and analyze the spin diffusion length and the spin Hall effect in Pt with a wide range of conductivities using the spin absorption method in lateral spin valve devices. We observe a linear relation between the spin…

介观与纳米尺度物理 · 物理学 2016-09-07 Edurne Sagasta , Yasutomo Omori , Miren Isasa , Martin Gradhand , Luis E. Hueso , Yasuhiro Niimi , YoshiChika Otani , Fèlix Casanova

A Comment on Phys. Rev. Lett. 111, 217204 (2013), "Detection of Microwave Spin Pumping Using the Inverse Spin Hall Effect"

材料科学 · 物理学 2014-01-27 Mathias Weiler , Hans T. Nembach , Justin M. Shaw , Thomas J. Silva

Antiferromagnetic Weyl semimetal Mn$_3$Sn has shown to generate strong intrinsic anomalous Hall effect (AHE) at room temperature, due to large momentum-space Berry curvature from the time-reversal symmetry breaking electronic bands of the…

介观与纳米尺度物理 · 物理学 2019-05-22 P. K. Muduli , T. Higo , T. Nishikawa , D. Qu , H. Isshiki , K. Kondou , D. Nishio-Hamane , S. Nakatsuji , YoshiChika Otani

Photonic spin Hall effect is a manifestation of spin-orbit interaction of light and can be measured by a transverse shift \lambda of photons with opposite spins. The precise measurement of transverse shifts can enable many spin-related…

光学 · 物理学 2022-12-26 Zhihao Chen , Yu Chen , Yaodong Wu , Xinxing Zhou , Handong Sun , Tony Low , Hongsheng Chen , Xiao Lin

The realization of a viable semiconductor transistor and information processing devices based on the electron spin has fueled intense basic research of three key elements: injection, detection, and manipulation of spins in the semiconductor…

介观与纳米尺度物理 · 物理学 2012-02-07 K. Olejnik , J. Wunderlich , A. C. Irvine , R. P. Campion , V. P. Amin , Jairo Sinova , T. Jungwirth

Recently a positive spin Hall angle (SHA) of 0.021, was observed experimentally in nonmagnetic CuIr alloys [Niimi et al., Phys. Rev. Lett. 106, 126601 (2011)] and attributed predominantly to an extrinsic skew scattering mechanism, while a…

材料科学 · 物理学 2015-01-08 Zhuo Xu , Bo Gu , Michiyasu Mori , Timothy Ziman , Sadamichi Maekawa

We measure electrically detected ferromagnetic resonance in microdevices patterned from ultra-thin Co/Pt bilayers. Spin pumping and rectification voltages are observed and distinguished via their angular dependence. The spin-pumping voltage…

介观与纳米尺度物理 · 物理学 2013-04-22 T. D. Skinner , H. Kurebayashi , D. Fang , D. Heiss , A. C. Irvine , A. T. Hindmarch , M. Wang , A. W. Rushforth , A. J. Ferguson

An intriguing feature of spintronics is the use of pure spin-currents to manipulate magnetization, e.g., spin-currents can switch magnetization in spin-torque MRAM, a next-generation DRAM alternative. Giant spin-currents via the spin Hall…

介观与纳米尺度物理 · 物理学 2014-10-15 Mathias Weiler , Justin M. Shaw , Hans T. Nembach , Thomas J. Silva

We evidenced unconventionnal Anomalous Hall Effects (AHE) in 3d/5d (Co0.2nm/Ni0.6nm)N multilayers grown on a thin Pt layer or thin Au:W alloy. The inversion observed on AHE originates from the opposite sign of the spin-orbit coupling of Pt…

介观与纳米尺度物理 · 物理学 2020-10-07 T. Huong Dang , Q. Barbedienne , Q. D. To , E. Rongione , N. Reyren , F. Godel , S. Collin , J. M. George , H. Jaffrès

The development of advanced spintronics devices hinges on the efficient generation and utilization of pure spin current. In materials with large spin-orbit coupling, the spin Hall effect may convert charge current to pure spin current and a…

材料科学 · 物理学 2017-08-16 Sucheta Mondal , Samiran Choudhury , Neha Jha , Arnab Ganguly , Jaivardhan Sinha , Anjan Barman

We demonstrate a nonlinear Hall effect due to the boundary spin accumulation in Pt films grown on Al2O3 substrates. This Hall effect and the previously demonstrated Hanle magnetoresistance provide a complete picture of the spin-precession…

材料科学 · 物理学 2023-05-25 Jing Li , Andrew H. Comstock , Dali Sun , Xiaoshan Xu

We report a novel mechanism for the electrical injection and detection of out-of-plane spin accumulation via the anomalous spin Hall effect (ASHE), where the direction of the spin accumulation can be controlled by manipulating the…

介观与纳米尺度物理 · 物理学 2018-10-04 K. S. Das , J. Liu , B. J. van Wees , I. J. Vera-Marun

We report a giant spin Hall effect (SHE) in {\beta}-W thin films. Using spin torque induced ferromagnetic resonance with a {\beta}-W/CoFeB bilayer microstrip we determine the spin Hall angle to be |\theta|=0.30\pm0.02, large enough for an…

材料科学 · 物理学 2015-06-11 Chi-Feng Pai , Luqiao Liu , Y. Li , H. W. Tseng , D. C. Ralph , R. A. Buhrman

We report a novel spin injection and detection mechanism via the anomalous Hall effect in a ferromagnetic metal. The anomalous spin Hall effect (ASHE) refers to the transverse spin current generated within the ferromagnet. We utilize the…

介观与纳米尺度物理 · 物理学 2017-12-27 K. S. Das , W. Y. Schoemaker , B. J. van Wees , I. J. Vera-Marun

High spin to charge conversion efficiency is the requirement for the spintronics devices which is governed by spin pumping and inverse spin Hall effect (ISHE). In last one decade, ISHE and spin pumping are heavily investigated in…

介观与纳米尺度物理 · 物理学 2021-09-01 Koustuv Roy , Abhisek Mishra , Pushpendra Gupta , Shaktiranjan Mohanty , Braj Bhusan Singh , Subhankar Bedanta

The spin Hall effect (SHE) converts charge current to pure spin currents in orthogonal directions in materials that have significant spin-orbit coupling.The efficiency of the conversion is described by the spin Hall Angle (SHA). The SHA can…

介观与纳米尺度物理 · 物理学 2015-07-28 Weifeng Zhang , Wei Han , Xin Jiang , See-Hun Yang , Stuart S. P. Parkin