English
Related papers

Related papers: Spin-dependent Scattering by a Potential Barrier o…

200 papers

Our predictions, based on density-functional calculations, reveal that surface doping of ZnO nanowires with Bi leads to a linear-in-$k$ splitting of the conduction-band states, through spin-orbit interaction, due to the lowering of the…

Materials Science · Physics 2017-06-07 Mehmet Aras , Sümeyra Güler-Kılıç , Çetin Kılıç

We consider a two dimensional semiconductor with carriers subject to spin-orbit interactions and scattered by randomly distributed magnetic impurities. We solve the time-dependent Schroedinger equation to investigate the relationship…

Mesoscale and Nanoscale Physics · Physics 2017-08-23 T. L. van den Berg , A. Verga

Skew scattering of electrons induced by a spin cluster is studied theoretically focusing on metals with localized magnetic moments. The scattering probability is calculated by a non-perturbative $T$ matrix method; this method is valid for…

Mesoscale and Nanoscale Physics · Physics 2021-08-31 Hiroaki Ishizuka , Naoto Nagaosa

We investigate the effect of strong spin-orbit interaction on the electronic transport through non-magnetic impurities in one-dimensional systems. When a perpendicular magnetic field is applied, the electron spin polarization becomes…

Materials Science · Physics 2007-05-23 R. G. Pereira , E. Miranda

We investigate the spatial distribution of spin orientation in magnetic nanoparticles consisting of hard and soft magnetic layers. The nanoparticles are synthesized in a core / shell spherical morphology where the magnetically hard, high…

Mesoscale and Nanoscale Physics · Physics 2021-05-26 C. Kons , K. L. Krycka , J. Robles , Nikolaos Ntallis , Manuel Pereiro , Manh-Huong Phan , Hariharan Srikanth , J. A. Borchers , D. A. Arena

It is shown here that electrons on the surface of a nanotube in a perpendicular magnetic field undergo spin-chirality separation along the circumference. Stripes of spin-polarization propagate along the tube, with a spatial pattern that can…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Alex Kleiner

A theory of electron spin relaxation in semiconducting carbon nanotubes is developed based on the hyperfine interaction with disordered nuclei spins I=1/2 of $^{13}$C isotopes. It is shown that strong radial confinement of electrons…

Materials Science · Physics 2009-11-11 Y. G. Semenov , K. W. Kim , G. J. Iafrate

Energy spectra and transport properties of armchair nanotubes with curvature induced spin-orbit interaction are investigated thoroughly. The spin-orbit interaction consists of two terms: the first one preserves the spin symmetry in rotating…

Mesoscale and Nanoscale Physics · Physics 2014-06-03 K. N. Pichugin , M. Pudlak , R. G. Nazmitdinov

We study the impact of spin-active scattering on Andreev spectra of point contacts between superconductors(SCs) and strongly spin-polarized ferromagnets(FMs) using recently derived boundary conditions for the Quasiclassical Theory of…

Superconductivity · Physics 2012-08-29 Roland Grein , Tomas Lofwander , Georgo Metalidis , Matthias Eschrig

A long-range interaction via virtual particle-hole pairs between Fermi-liquid quasiparticles leads to a nonanalytic behavior of the spin susceptibility $\chi$ as a function of the temperature ($T$), magnetic field ($\mathbf{B}$), and…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Robert Andrzej Zak , Dmitrii L. Maslov , Daniel Loss

Spin-orbit coupling (SOC) is pivotal for various fundamental spin-dependent phenomena in solids and their technological applications. In semiconductors, these phenomena have been so far studied in relatively weak electron-electron…

Mesoscale and Nanoscale Physics · Physics 2021-06-09 D. Maryenko , M. Kawamura , A. Ernst , V. K. Dugaev , E. Ya. Sherman , M. Kriener , M. S. Bahramy , Y. Kozuka , M. Kawasaki

We present a detailed comparison between theoretical predictions on electron scattering processes in metallic single-walled carbon nanotubes with defects and experimental data obtained by scanning tunneling spectroscopy of Ar$^+$ irradiated…

Mesoscale and Nanoscale Physics · Physics 2011-04-28 D. Bercioux , G. Buchs , H. Grabert , O. Groening

We study the spin-dependent electronic transport through a one-dimensional ballistic quantum wire in the presence of Rashba spin-orbit interaction. In particular, we consider the effect of the spin-orbit interaction resulting from the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. E. Birkholz , V. Meden

Spin-orbit interaction (SOI) in low-dimensional systems, namely Rashba systems and the edge states of topological materials, is extensively studied in this decade as a promising source to realize various fascinating spintronic phenomena,…

Recent conductance measurements on multi-wall carbon nanotubes (CNTs) reveal an effective behavior similar to disordered single-wall CNTs. This is due to the fact that electric current flows essentially through the outermost shell and is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. Krompiewski , N. Nemec , G. Cuniberti

We characterized the energy band dispersion near the Fermi level in single-walled carbon nanotubes using low-temperature scanning tunneling microscopy. Analysis of energy dependent standing wave oscillations, which result from quantum…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Min Ouyang , Jin-Lin Huang , Charles M. Lieber

Charge and spin density distributions are studied within a nano-ring structure endowed with Rashba and Dresselhaus spin orbit coupling (SOI). For a small number of interacting electrons, in the presence of an external magnetic field, the…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Csaba Daday , Andrei Manolescu , D. C. Marinescu , Vidar Gudmundsson

Understanding how the orbital motion of electrons is coupled to the spin degree of freedom in nanoscale systems is central for applications in spin-based electronics and quantum computation. We demonstrate this coupling of spin and orbit in…

The use of the spin of the electron as the ultimate logic bit - in what has been dubbed spintronics - can lead to a novel way of thinking about information flow. At the same time single layer graphene has been the subject of intense…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. R. Rocha , T. B. Martins , A. Fazzio , A. J. R. da Silva

We study potential scattering in a two-dimensional electron gas with Rashba spin-orbit coupling in the limit that the energy of the scattering electron approaches the bottom of the lower spin-split band. Focusing on two spin-independent…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 Joel Hutchinson , Joseph Maciejko
‹ Prev 1 3 4 5 6 7 10 Next ›