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We predict the very large spin Hall effect in type-II superconductors which mechanism is drastically different from the previously known ones. We find that in the flux-flow regime the spin is transported by the spin-polarized Abrikosov…

Superconductivity · Physics 2019-04-12 Artjom Vargunin , Mikhail Silaev

We consider various methods and techniques for measuring electron magnetization and susceptibility, which are used in experimental condensed matter physics. The list of considered methods for macroscopic measurements includes…

Materials Science · Physics 2023-02-20 V. M. Pudalov

We present measurements of pure spin current absorption on lateral spin valves. By varying the width of the absorber we demonstrate that spin current absorption measurements enable to characterize efficiently the spin transport properties…

Materials Science · Physics 2018-12-05 G. Zahnd , Laurent Vila , V. Pham , M Cosset-Cheneau , W Lim , A Brenac , P Laczkowski , A Marty , J Attané

We propose an effect whereby an electric current along the interface between a ferromagnetic and normal metal leads to injection of pure spin current into the normal metal, if the magnetization-direction in the ferromagnet varies along the…

Mesoscale and Nanoscale Physics · Physics 2013-08-28 E. van der Bijl , R. E. Troncoso , R. A. Duine

It is shown that magnetic forces as the Lorentz force, exerted on electric currents, and the force {\mu}Div(B), exerted on electron spins at rest, account for both the transverse spin imbalance typical of spin Hall effect and the transverse…

Mesoscale and Nanoscale Physics · Physics 2020-03-18 Antonio Hernando , Fernando Gálvez , Francisco Guinea

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…

Terahertz spintronics offers the prospect of devices which are both faster and more energy-efficient. A promising route to achieve this goal is to exploit current-induced spin-orbit torques. However, the high-frequency properties of these…

Mesoscale and Nanoscale Physics · Physics 2020-12-21 Filipe S. M. Guimarães , Juba Bouaziz , Manuel dos Santos Dias , Samir Lounis

In recent years, the spin Hall effect has received great attention because of its potential application in spintronics and quantum information processing and storage. However, this effect is usually studied under the external homogeneous…

Mesoscale and Nanoscale Physics · Physics 2022-08-02 Anwei Zhang , Jun-Won Rhim

We investigate electrically-induced spin currents generated by the spin Hall effect in GaAs structures that distinguish edge effects from spin transport. Using Kerr rotation microscopy to image the spin polarization, we demonstrate that the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. Sih , W. H. Lau , R. C. Myers , V. R. Horowitz , A. C. Gossard , D. D. Awschalom

We consider a disordered topological insulator thin film placed on the top of a ferromagnetic insulator with a perpendicular exchange field $M$ and subjected to a perpendicular electric field. The presence of ferromagnetic insulator causes…

Mesoscale and Nanoscale Physics · Physics 2022-11-15 Siamak Pooyan , Mir Vahid Hosseini

We report very efficient spin current generation by the spin Hall effect in the alloy Au0.25Pt0.75, which, as determined by two different direct spin-orbit torque measurements, exhibits a giant internal spin Hall ratio of > 0.58…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Lijun Zhu , Daniel. C. Ralph , Robert A. Buhrman

The understanding of spin dynamics in laterally confined structures on sub-micron length scales has become a significant aspect of the development of novel magnetic storage technologies. Numerous ferromagnetic resonance measurements,…

Mesoscale and Nanoscale Physics · Physics 2016-02-12 Matthias B. Jungfleisch , Wei Zhang , Junjia Ding , Wanjun Jiang , Joseph Sklenar , John E. Pearson , John B. Ketterson , Axel Hoffmann

Transition-metal dichalcogenides (TMDCs) are an aspiring class of materials with unique electronic and optical properties and potential applications in spin-based electronics. Here, we use terahertz emission spectroscopy to study…

Spin transport phenomena underpin an extensive range of spintronic effects. In particular spin transport across interfaces occurs in most device concepts, but is so far poorly understood. As interface properties strongly impact spin…

Materials Science · Physics 2021-05-19 Alexander Pfeiffer , Robert M. Reeve , Kelvin Elphick , Atsufumi Hirohata , Mathias Kläui

Silicon's weak intrinsic spin-orbit coupling and centrosymmetric crystal structure are a critical bottleneck to the development of Si spintronics, because they lead to an insignificant spin-Hall effect (spin current generation) and inverse…

Mesoscale and Nanoscale Physics · Physics 2020-04-03 Paul C. Lou , Anand Katailiha , Ravindra G. Bhardwaj , Tonmoy Bhowmick , W. P. Beyermann , Roger K. Lake , Sandeep Kumar

The in-plane (thermal) Hall effect is an unconventional transverse response when the applied magnetic field is in the (heat) current plane. In contrast to the normal Hall effect, the in-plane Hall effect requires the absence of certain…

Materials Science · Physics 2023-06-01 Takashi Kurumaji

The observation of the spin Hall effect triggered intense research on pure spin current transport. With the spin Hall effect, the spin Seebeck effect, and the spin Peltier effect already observed, our picture of pure spin current transport…

The effective field torque of an yttrium-iron-garnet film on the spin accumulation in an attached Pt film is measured by the spin-Hall magnetoresistance (SMR). As a result, the magnetization direction of a ferromagnetic insulating layer can…

Mesoscale and Nanoscale Physics · Physics 2014-10-03 N. Vlietstra , J. Shan , V. Castel , J. Ben Youssef , G. E. W. Bauer , B. J. van Wees

Using mapping between topological defects in an easy-plane magnet and electrical charges, we study interplay between vorticity and spin currents. We demonstrate that the flow of vorticity is accompanied by the transverse spin current…

Mesoscale and Nanoscale Physics · Physics 2022-12-16 Edward Schwartz , Hamed Vakili , Moaz Ali , Alexey A. Kovalev

Spin-charge interconversion in systems with spin-orbit coupling has provided a new route for the generation and detection of spin currents in functional devices for memory and logic such as spin-orbit torque switching in magnetic memories…

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