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Related papers: Spin-injection through an Fe/InAs Interface

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The topological semimetal FeSn antiferromagnet, characterized by its kagome lattice, two-dimensional flat bands, and Dirac-like surface states, holds immense promise for spintronic applications. In this work, for the first time, we…

We have investigated electrical spin injection from Ni81Fe19 into an InAs quantum well through MgO tunneling barrier for potential application to InAs-based spin field effect transistor. Injected spin polarized current were detected in both…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 T. Ishikura , Z. Cui , L-K. Liefeith , K. Konishi , Kanji Yoh

We study the electronic and magnetic properties of the interfaces between the half-metallic Heusler alloy NiMnSb and the binary semiconductors InP and GaAs using two different state-of-the-art full-potential \textit{ab-initio} electronic…

Materials Science · Physics 2009-11-10 I. Galanakis , M. Lezaic , G. Bihlmayer , S. Bluegel

We report that an ultra-thin, post-oxidized aluminum epilayer grown on the AlGaAs surface works as a high-quality tunnel barrier for spin injection from a ferromagnetic metal to a semiconductor. One of the key points of the present…

Materials Science · Physics 2013-06-26 N. Nishizawa , H. Munekata

We consider spin polarized transport in a ferromagnet-insulator/semiconductor/insulator-ferromagnet (F1-I-S-I-F2) junction. We find that the spin current is strongly dependent on the spin configurations, the doping and space charge…

Mesoscale and Nanoscale Physics · Physics 2010-06-22 Yue Yu , Jinbin Li , S. T. Chui

We consider theoretically transport in a spinfull one-channel interacting quantum wire placed in an external magnetic field. For the case of two point-like impurities embedded in the wire, under a small voltage bias the spin-polarized…

Strongly Correlated Electrons · Physics 2010-02-17 Zoran Ristivojevic , George I. Japaridze , Thomas Nattermann

New mechanism of magnetoresistance, based on tunneling-emission of spin polarized electrons from ferromagnets (FM) into semiconductors (S) and precession of electron spin in the semiconductor layer under external magnetic field, is…

Materials Science · Physics 2009-11-10 A. M. Bratkovsky , V. V. Osipov

We discuss the surface impedance (Z=R-iX) of a normal-metal/superconductor proximity structure taking into account the spin-dependent potential at the junction interface. Because of the spin mixing transport at the interface, odd-frequency…

Superconductivity · Physics 2015-06-04 Yasuhiro Asano , Masahiro Ozaki , Tetsuro Habe , Alexander A. Golubov , Yukio Tanaka

The influence of an applied shear on the planar crystal-melt interface is modelled by a nonlinear stochastic partial differential equation of the interface fluctuations. A feature of this theory is the asymmetric destruction of interface…

Soft Condensed Matter · Physics 2016-07-04 Malcolm Ramsay , Peter Harrowell

Magnetization switching provoked by spin-injection is studied in Ni nanowires of various size and morphology. The response of the magnetization to the spin-injection is studied as a function of the amplitude of the current, the temperature,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. -E. Wegrowe , M. Dubey , T. Wade , H. -J. Drouhin , M. Konczykowski

We investigate spin transport in voltage-biased spin-active Josephson junctions. The interplay of spin filtering, spin mixing, and multiple Andreev reflection leads to nonlinear voltage dependence of the dc and ac spin current. We compute…

Superconductivity · Physics 2009-11-11 Erhai Zhao , J. A. Sauls

The spin injection and accumulation in metallic lateral spin valves with transparent interfaces is studied using d.c. injection current. Unlike a.c.-based techniques, this allows investigating the effects of the direction and magnitude of…

Mesoscale and Nanoscale Physics · Physics 2009-06-12 Fèlix Casanova , Amos Sharoni , Mikhail Erekhinsky , Ivan K. Schuller

The observed results for the azimuthal single spin asymmetries (SSAs) of the proton, measured in the semi-inclusive deep inelastic scattering (SIDIS), can be explained by the final-state interaction (FSI) from the gluon exchange between the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Narinder Kumar , Harleen Dahiya

Large spin splitting at Rashba interface, giving rise to strong spin-momentum locking, is essential for efficient spin-to-charge conversion. Recently, a Cu/Bismuth oxide (Bi2O3) interface has been found to exhibit an efficient…

Materials Science · Physics 2018-04-06 Hanshen Tsai , Shutaro Karube , Kouta Kondou , Naoya Yamaguchi , Fumiyuki Ishii , Yoshichika Otani

Analyzing spin transport of quasi-2D electrons gas moving through a semiconductor wave guide subject to a sectionally homogeneous tilted magnetic field, we found well-defined selection rules for resonant and antiresonant spin carrier…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. L. Cardoso , P. Pereyra

Measurements and modeling of electron spin transport and dynamics are used to characterize hyperfine interactions in Fe/GaAs devices with $n$-GaAs channels. Ga and As nuclei are polarized by electrically injected electron spins, and the…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 M. K. Chan , Q. O. Hu , J. Zhang , T. Kondo , C. J. Palmstrøm , P. A. Crowell

Electric-field control of spin-dependent properties has become one of the most attractive phenomena in modern materials research due the promise of new device functionalities. One of the paradigms in this approach is to electrically toggle…

Materials Science · Physics 2015-06-19 Xiaohui Liu , J. D. Burton , Evgeny Y. Tsymbal

The spin phenomena observed at a clean metall-insulator interface are typically reduced to Rashba-Edelstein effect, that leads to spin accumulation over a few monolayers. We demonstrate that the presence of interface disorder significantly…

Mesoscale and Nanoscale Physics · Physics 2023-09-08 A. V. Shumilin , V. V. Kabanov

Pure advection of a conservative scalar is relevant to several applications including two-phase flow. Successful numerical schemes must capture the sharp interface between the phases while maintaining a smooth (wrinkle-free) interfacial…

Fluid Dynamics · Physics 2018-11-27 Yashar Mehmani

We demonstrate efficient spin-polarized tunneling between a ferromagnetic metal and a ferromagnetic semiconductor with highly mismatched conductivities. This is indicated by a large tunneling magnetoresistance (up to 30%) at low…

Materials Science · Physics 2009-11-07 S. H. Chun , S. J. Potashnik , K. C. Ku , P. Schiffer , N. Samarth
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