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The spin Hall effect in heavy-metal thin films is routinely employed to convert charge currents into transverse spin currents and can be used to exert torque on adjacent ferromagnets. Conversely, the inverse spin Hall effect is frequently…

We investigate spin dynamics of resident holes in a p-modulation-doped GaAs/Al$_{0.3}$Ga$_{0.7}$As single quantum well. Time-resolved Faraday and Kerr rotation, as well as resonant spin amplification, are utilized in our study. We observe…

Mesoscale and Nanoscale Physics · Physics 2012-01-20 M. Kugler , K. Korzekwa , P. Machnikowski , C. Gradl , S. Furthmeier , M. Griesbeck , M. Hirmer , D. Schuh , W. Wegscheider , T. Kuhn , C. Schüller , T. Korn

We report the growth of MgO[001]//Fe(6 nm)/MgO(7 nm) and MgO[001]//Fe(6 nm)/Pt(6 nm) by molecular beam epitaxy and show that the full characterization by spin-orbit ferromagnetic resonance (SO-FMR) allows the determination of magnetic…

Materials Science · Physics 2019-01-30 C. Guillemard , S. Petit-Watelot , S. Andrieu , J. -C. Rojas-Sánchez

Graphene is a light material for long-distance spin transport due to its low spin-orbit coupling, which at the same time is the main drawback to exhibit a sizeable spin Hall effect. Decoration by light atoms has been predicted to enhance…

In graphene, we report the first theoretical demonstration of how the intrinsic spin orbit interaction can be deduced from the theory and how it can be controlled by tuning a uniform magnetic field, and/or by changing the strength of a long…

Mesoscale and Nanoscale Physics · Physics 2019-07-09 B. S. Kandemir

Spin-Orbit Torque (SOT) Magnetic Random-Access Memories (MRAM) have shown promising results towards the realization of fast, non-volatile memory systems. Oxidation of the heavy-metal (HM) layer of the SOT-MRAM has been proposed as a method…

Photons can undergo spin-orbit coupling, by which the polarization (spin) and spatial profile (orbit) of the electromagnetic field interact and mix. Strong photonic spin-orbit coupling may reportedly arise from light propagation confined in…

Optics · Physics 2023-08-08 Chang Kyun Ha , Eun Mi Kim , Kyoung Jun Moon , Myeong Soo Kang

The fluid theory of plasmas is extended to include the properties of electron spin. The linear theory of waves in a magnetized plasma is presented, and it is shown that the spin effects causes a change of the magnetic permeability.…

Plasma Physics · Physics 2009-11-13 G. Brodin , M. Marklund

Optical spin pumping of color centers in diamond is presently attracting broad interest as a platform for dynamic nuclear polarization at room temperature, but the mechanisms involved in the generation and transport of polarization within…

We carry out first-principles calculations which demonstrate the importance of the non-spin-conserving part of the spin-orbit interaction for the intrinsic anomalous Hall conductivity of ordered FePt alloys. The impact of this interaction…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Hongbin Zhang , Frank Freimuth , Stefan Blügel , Ivo Souza , Yuriy Mokrousov

Dynamic nuclear polarisation, which transfers the spin polarisation of electrons to nuclei, is routinely applied to enhance the sensitivity of nuclear magnetic resonance; it is also critical in spintronics, particularly when spin…

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

The dependence of the spin-pumping effect on the yttrium iron garnet (Y3Fe5O12, YIG) thickness detected by the inverse spin Hall effect (ISHE) has been investigated quantitatively. Due to the spin-pumping effect driven by the magnetization…

Mesoscale and Nanoscale Physics · Physics 2015-04-08 M. B. Jungfleisch , A. V. Chumak , A. Kehlberger , V. Lauer , D. H. Kim , M. C. Onbasli , C. A. Ross , M. Kläui , B. Hillebrands

The interplay of electric charge, spin, and orbital polarizations, coherently driven by picosecond long oscillations of light fields in spin-orbit coupled systems, is the foundation of emerging terahertz spintronics and orbitronics. The…

Layered materials are promising candidates for spintronic applications due to their unique electronic structures and spin transport properties. However, the strong anisotropic conductivity inherent in these materials complicates the…

Mesoscale and Nanoscale Physics · Physics 2026-03-05 Ryoya Nakamura , Futo Tokuda , Yoshinobu Ono , Nan Jiang , Hideaki Sakai , Masayuki Ochi , Hiroaki Ishizuka , Yasuhiro Niimi

We report on spin valve devices that incorporate both an out-of-plane polarizer (OPP) to quickly excite spin torque (ST) switching and an in-plane polarizer/analyzer (IPP). For pulses < 200 ps we observe reliable precessional switching due…

Other Condensed Matter · Physics 2015-05-13 O. J. Lee , V. S. Pribiag , P. M. Braganca , P. G. Gowtham , D. C. Ralph , R. A. Buhrman

We study theoretically the effective spin Hall properties of a composite consisting of two materials with and without spin-orbit (SO) coupling. In particular, we assume that SO material represents a system of grains in a matrix with no SO.…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Z. Yue , M. C. Prestgard , A. Tiwari , M. E. Raikh

Recent observations of considerable spin polarization in photoemission from metal surfaces through monolayers of chiral molecules were followed by several efforts to rationalize the results as the effect of spin-orbit interaction that…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Joel Gersten , Kristen Kaasbjerg , Abraham Nitzan

Effective spin mixing conductance (ESMC) across the nonmagnetic metal (NM)/ferromagnet interface, spin Hall conductivity (SHC) and spin diffusion length (SDL) in the NM layer govern the functionality and performance of pure spin current…

Materials Science · Physics 2016-09-02 L. Ma , H. A. Zhou , L. Wang , X. L. Fan , W. J. Fan , D. S. Xue , K. Xia , G. Y. Guo , S. M. Zhou

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…