نتایج جستجو برای: rashba
تعداد نتایج: 1979 فیلتر نتایج به سال:
J. Krempaský,1 H. Volfová,2 S. Muff,1,3 N. Pilet,1 G. Landolt,1,4 M. Radović,1,5 M. Shi,1 D. Kriegner,6 V. Holý,6 J. Braun,2 H. Ebert,2 F. Bisti,1 V. A. Rogalev,1 V. N. Strocov,1 G. Springholz,7 J. Minár,2,8 and J. H. Dil1,3 1Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland 2Department of Chemistry, Ludwig Maximillian University, 81377 Munich, Germany 3Institute of ...
Hendrik Bentmann,1 Takuya Kuzumaki,2 Gustav Bihlmayer,3 Stefan Blügel,3 Eugene V. Chulkov,4,5 Friedrich Reinert,1,6 and Kazuyuki Sakamoto2 1Experimentelle Physik VII and Röntgen Research Center for Complex Material Systems (RCCM), Universität Würzburg Am Hubland, D-97074 Würzburg, Germany 2Graduate School of Advanced Integration Science, Chiba University, Chiba 263-8522, Japan 3Peter Grünberg I...
S. Saberi-Pouya, 2 T. Vazifehshenas, ∗ T. Salavati-fard, M. Farmanbar, and F. M. Peeters Department of Physics, Shahid Beheshti University, G. C., Evin, Tehran 1983969411, Iran Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA Faculty of Science and Technology and MESA...
We propose a graphene-based full valley- and spin-polarization device based on strained graphene with Rashba spin orbit coupling and magnetic barrier. The underlying mechanism is the coexistence of the valley and single spin band gaps in a certain Fermi energy. By aligning the Fermi energy in the valley and single spin band gaps, remarkable valley- and spin-polarization currents can be accessed.
We study the linear response spin Hall conductivity of a two-dimensional electron gas (2DEG) in the presence of the Rashba spin-orbit interaction in the diffusive transport regime. When defect scattering is modeled by isotropic short-range potential scatterers the spin Hall conductivity vanishes due to the vertex correction. A nonvanishing spin Hall effect may be recovered for dominantly forwar...
By viewing current in the detecting lead of a spintronic device as being an ensemble of flowing spins corresponding to a mixed quantum state, where each spin itself is generally described by an improper mixture generated during the transport where it couples to other degrees of freedom due to spin-orbit sSOd interactions or inhomogeneous magnetic fields, we introduce the spin-density operator a...
Paul Z. Hanakata,1,* A. S. Rodin,2 Alexandra Carvalho,2 Harold S. Park,3 David K. Campbell,1,† and A. H. Castro Neto2 1Department of Physics, Boston University, Boston, Massachusetts 02215, USA 2Centre for Advanced 2D Materials and Graphene Research Centre, National University of Singapore, 6 Science Drive 2, 117546, Singapore 3Department of Mechanical Engineering, Boston University, Boston, Ma...
Sebastian Fiedler,1 Thomas Bathon,2 Sergey V. Eremeev,3,4,5 Oleg E. Tereshchenko,5,6,7 Konstantin A. Kokh,5,7,8 Evgueni V. Chulkov,4,5,9,10 Paolo Sessi,2 Hendrik Bentmann,1,* Matthias Bode,2 and Friedrich Reinert1 1Experimentelle Physik VII and Röntgen Research Center for Complex Materials (RCCM), Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany 2Experimentelle Physik II and Röntgen ...
We demonstrate that in an inversion-asymmetric quasi-two-dimensional electron system (quasi2DES) with both Rashba and Dresselhaus spin-orbit couplings at present, certain transport directions on which no spin precession occurs can be found when the injected spin is properly polarized. By analyzing the expectation value of spin with respect the injected electron state on each space point in the ...
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