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Related papers: Current distribution inside Py/Cu lateral spin-val…

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We propose a possible experimental setup for nonreciprocal electron transport in a lateral spin valve due to noncoplanar distribution of magnetic moment (and field) in the system. Some metals (Al, Cu) and semiconductors (GaAs, InSb etc.)…

Mesoscale and Nanoscale Physics · Physics 2019-11-28 D. A. Tatarskiy , E. A. Karashtin

We report the theoretical investigation of noise spectrum of spin current and spin transfer torque for non-colinear spin polarized transport in a spin-valve device which consists of normal scattering region connected by two ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Yunjin Yu , Hongxin Zhan , Langhui Wan , Bin Wang , Yadong Wei , Qingfeng Sun , Jian Wang

A normally incident light of linear polarization injects a pure spin current in a strip of 2-dimensional electron gas with spin-orbit coupling. We report observation of an electric current with a butterfly-like pattern induced by such a…

Mesoscale and Nanoscale Physics · Physics 2007-06-19 Xiao-Dong Cui , Shun-Qing Shen , Jian Li , Weikun Ge , Fu-Chun Zhang

We study transport properties of topological Weyl nodal-line semimetals(NLSs). Starting from a minimal lattice model with a single nodal loop, and by focusing on a normal-metal-NLS-normal-metal junction, we investigate the dependence of the…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Yao Zhou , Feng Xiong , Weipeng Chen , Jin An

The propagation of a domain wall in a submicron ferromagnetic spin-valve stripe is investigated using giant magnetoresistance. A notch in the stripe efficiently traps an injected wall stopping the domain propagation. The authors show that…

Materials Science · Physics 2008-04-02 J. Briones , F. Montaigne , Daniel Lacour , M. Hehn , M. J. Carey , J. R. Childress

Levy distributions are involved in many physical phenomenon. The purpose of our study is to understand metal insulator transitions in composite systems using the above distributions. The exact method (EM) based on the calculation of…

Disordered Systems and Neural Networks · Physics 2013-04-17 Mohamed Mokhtari , Lotfi Zekri

The Lambda polarization in muon neutrino charged current interactions has been measured in the NOMAD experiment. We observe negative polarization along the W - boson direction which is enhanced in the target fragmentation region: Px (xF <…

High Energy Physics - Phenomenology · Physics 2009-11-07 Dmitry V. Naumov

We have studied the propagation characteristics of spin wave modes in a permalloy stripe by time-resolved magneto-optical Kerr effect techniques. We observe a beating interference pattern in the time domain under the influence of an…

Materials Science · Physics 2015-06-23 Siddharth Rao , Jungbum Yoon , Jan Rhensius , Charanjit S. Bhatia , Hyunsoo Yang

From spin pumping measurements in Ta/Py devices for different thicknesses of Ta, we determine the spin Hall angle to be 0.021 - 0.033 and spin diffusion length to be 8 nm in Ta. We have also studied the effect of changing the properties of…

Materials Science · Physics 2015-06-18 Praveen Deorani , Hyunsoo Yang

Decrease of spin polarization in spintronics devices under an application of bias voltage is one of currently important problems which should be solved. We reveal unprecedented robustness of spin polarization in multi-layer graphene spin…

Materials Science · Physics 2009-11-05 Masashi Shiraishi , Megumi Ohishi , Ryo Nouchi , Takayuki Nozaki , Teruya Shinjo , Yoshishige Suzuki

We theoretically propose an experiment to determine the penetration depth of a transverse spin current using a nonlocal spin valve with three ferromagnetic (F) layers, where the F_1, F_2, and F_3 layers act as the spin injector, detector,…

Mesoscale and Nanoscale Physics · Physics 2012-11-09 Tomohiro Taniguchi , Hiroshi Imamura

We report electrical measurements of the current-induced spin polarization of the surface current in topological insulator devices where contributions from bulk and surface conduction can be disen- tangled by electrical gating. The devices…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Joon Sue Lee , Anthony Richardella , Danielle Reifsnyder Hickey , K. Andre Mkhoyan , Nitin Samarth

We study fluctuations of spin-polarized currents in a three-terminal spin-valve system consisting of a diffusive normal metal wire connected by tunnel junctions to three ferromagnetic terminals. Based on a spin-dependent Boltzmann-Langevin…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. Zareyan , W. Belzig

Antisymmetric exchange interactions lead to non-reciprocal spin-wave propagation. As a result, spin waves confined in a nanostructure are not standing waves; they have a time-dependent phase, because counter-propagating waves of the same…

Mesoscale and Nanoscale Physics · Physics 2023-02-10 Jun-Wen Xu , Grant A. Riley , Justin M. Shaw , Hans T. Nembach , Andrew D. Kent

We report the dispersive readout of the spin state of a double quantum dot formed at the corner states of a silicon nanowire field-effect transistor. Two face-to-face top-gate electrodes allow us to independently tune the charge occupation…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 A. C. Betz , R. Wacquez , M. Vinet , X. Jehl , A L. Saraiva , M. Sanquer , A. J. Ferguson , M. F. Gonzalez-Zalba

We have observed a diffuse component to the low-energy magnetic excitation spectrum of stripe-ordered La5/3Sr1/3NiO4 probed by neutron inelastic scattering. The diffuse scattering forms a square pattern with sides parallel and perpendicular…

Strongly Correlated Electrons · Physics 2009-11-10 A. T. Boothroyd , P. G. Freeman , D. Prabhakaran , A. Hiess , M. Enderle , J. Kulda , F. Altorfer

From measurements of the current-perpendicular-to-plane (CPP) magnetoresistance of ferromagnetically coupled [Co(90)Fe(10)/Cu]xn multilayers, within sputtered Permalloy-based double exchange biased spin-valves, we determine the parameter…

Materials Science · Physics 2015-05-20 H. Y. T. Nguyen , R. Acharyya , W. P. Pratt , J. Bass

We present a study of the effects of inelastic scattering on the transport properties of various nanoscale devices, namely H$_2$ molecules sandwiched between Pt contacts, and a spin-valve made by an organic molecule attached to model…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. Jean , S. Sanvito

We study the depinning of domain walls by pure diffusive spin currents in a nonlocal spin valve structure based on two ferromagnetic permalloy elements with copper as the nonmagnetic spin conduit. The injected spin current is absorbed by…

We study spin polarization in a split-gate quantum wire focussing on the effect of a realistic smooth potential due to remote donors. Electron interaction and spin effects are included within the density functional theory in the local spin…

Mesoscale and Nanoscale Physics · Physics 2008-04-04 M. Evaldsson , S. Ihnatsenka , I. V. Zozoulenko
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