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Monolayer PtSe$_2$ is a semiconducting transition metal dichalcogenide characterized by an indirect band gap, space inversion symmetry, and high carrier mobility. Strong intrinsic spin-orbit coupling and the possibility to induce extrinsic…

Mesoscale and Nanoscale Physics · Physics 2021-03-10 Marcin Kurpas , Jaroslv Fabian

We have studied the film thickness dependence of the current-induced magneto-optical Kerr effect in Pt and V thin films. The Kerr signal for Pt shows little dependence on the thickness in the range studied (20-80 nm). In contrast, the…

Mesoscale and Nanoscale Physics · Physics 2023-11-10 Y. Marui , M. Kawaguchi , S. Sumi , H. Awano , K. Nakamura , M. Hayashi

We propose an experimental scheme to determine the spin-transfer torque efficiency excited by the spin-orbit interaction in ferromagnetic bilayers from the measurement of the longitudinal magnetoresistace. Solving a diffusive spin-transport…

Mesoscale and Nanoscale Physics · Physics 2016-10-04 Tomohiro Taniguchi , Julie Grollier , Mark D. Stiles

A density-functional-theory based relativistic scattering formalism is used to study charge transport through thin Pt films with room temperature lattice disorder. A Fuchs-Sondheimer specularity coefficient $p \sim 0.5$ is needed to…

Mesoscale and Nanoscale Physics · Physics 2021-12-30 Rohit S. Nair , Max S. Rang , Paul J. Kelly

Magnetic insulators are promising materials for the development of energy-efficient spintronics. Unlike metallic counterparts, the magnetic insulators are characterized by imaginary part of the interfacial spin mixing conductance as well in…

Mesoscale and Nanoscale Physics · Physics 2020-11-24 Kuntal Roy

The spintronic properties of a palladium thin film have been investigated in the presence of hydrogen gas in cobalt/palladium bilayers. Measurements of the inverse spin Hall Effect (ISHE) using cavity ferromagnetic resonance allow…

Materials Science · Physics 2020-05-20 Stuart Watt , Mikhail Kostylev

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 spin diffusion length $\ell_{\rm sf}^{\rm Pt}=3.4\pm0.4$ nm and of…

Mesoscale and Nanoscale Physics · Physics 2014-03-18 J. -C. Rojas-Sánchez , N. Reyren , P. Laczkowski , W. Savero , J. -P. Attané , C. Deranlot , M. Jamet , J. -M. George , L. Vila , H. Jaffrès

The longitudinal spin Seebeck effect is detected in sputter-deposited NiFe2O4 films using Pt as a spin detector and compared to previously investigated NiFe2O4 films prepared by chemical vapor deposition. Anomalous Nernst effects induced by…

Using a semiclassical approach that simultaneously incorporates the spin Hall effect (SHE), spin diffusion, quantum well states, and interface spin-orbit coupling (SOC), we address the interplay of these mechanisms as the origin of the…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 Kohei Sakanashi , Manfred Sigrist , Wei Chen

As current flows through a Pt/Co/Pt trilayer, spin Hall effect induced by charge current in the Pt layer leads to spin accumulation at the Co/Pt interfaces. Our experiment and calculation show an indication of the effect of spin…

Materials Science · Physics 2019-09-25 Peng Zhang , Weiwei Lin , Kaixuan Xie , Di Wu , Hai Sang

High density data storage and spin-logic devices require highly efficient all-electric control of spin moments. So far, charge-to-spin conversion through the spin Hall effect (SHE) highly limits to d-orbital materials associated with strong…

Materials Science · Physics 2025-10-28 Gen Li , Ying Zhang , Xiaoguang Xu , Lei Shen , Zheng Feng , Kangkang Meng , Ang Li , Lu Cheng , Kang He , Wei Tan , Yong Wu , Yihong Wu , Yong Jiang

We examine the influence of crystal growth on the spin-pumping induced inverse spin Hall effect in Fe/Pt bilayers. The morphology of the Fe/Pt interface influences the effective spin mixing conductance. The increase of growth temperature…

We have determined the spin-orbit scattering length of two-dimensional layered 2H-TaSe2 metallic crystals by detailed characterization of the weak anti-localization phenomena in this strong spin-orbit interaction material. By fitting the…

Mesoscale and Nanoscale Physics · Physics 2014-10-06 Adam T. Neal , Yuchen Du , Han Liu , Peide D. Ye

The spin Hall effect (SHE), in which electrical current generates transverse spin current, plays an important role in spintronics for the generation and manipulation of spin-polarized electrons. The phenomenon originates from spin-orbit…

Measurements of switching via spin-orbit coupling (SOC) mechanisms are discussed for a pair of inverted Pt/Co/Pt stacks with asymmetrical Pt thicknesses. Taking into account the planar Hall effect contribution, effective fields of…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Cheow Hin Sim , Jian Cheng Huang , Michael Tran , Kwaku Eason

We determine the composition of intrinsic as well as extrinsic contributions to the anomalous Hall effect (AHE) in the isoelectronic L1o FePd and FePt alloys. We show that the AHE signal in our 30 nm thick epitaxially deposited films of…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 K. M. Seemann , Y. Mokrousov , A. Aziz , J. Miguel , F. Kronast , W. Kuch , M. G. Blamire , A. T. Hindmarch , B. J. Hickey , I. Souza , C. H. Marrows

We investigate the effect of an electrical current on the attenuation length of a 900 nm wavelength spin-wave in a permalloy/Pt bilayer using propagating spin-wave spectroscopy. The modification of the spin-wave relaxation rate is linear in…

We show, both experimentally and theoretically, a novel route to obtain giant room temperature spin Hall effect due to surface-assisted skew scattering. In the experiment, we report the spin Hall effect in Pt-doped Au films with different…

Materials Science · Physics 2015-05-20 B. Gu , I. Sugai , T. Ziman , G. Y. Guo , N. Nagaosa , T. Seki , K. Takanashi , S. Maekawa

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…

Conversion of charge to orbital angular momentum through the orbital Hall effect (OHE) holds transformative potential for the development of orbital-based electronics, however, it is challenging to directly observe the electrically…