English
Related papers

Related papers: Spin Hanle effect in mesoscopic superconductors

200 papers

We present a theoretical study of diluted magnetic semiconductors that treats the local sp-d exchange interaction J between the itinerant carriers and the Mn d electrons within a realistic band structure and goes beyond previous mean-field…

Materials Science · Physics 2007-05-23 Byounghak Lee , Xavier Cartoixa , Nandini Trivedi , Richard M. Martin

Ferromagnet/superconductor heterostructures allow for the combination of unique physical phenomena offered by the both fields of magnetism and superconductivity. It was shown recently that spin waves can be efficiently scattered in such…

Superconductivity · Physics 2021-11-10 Oleksandr V. Dobrovolskiy , Andrii V. Chumak

This article reviews the principles that govern the combined transport of spin, heat, and charge. The extensive thermodynamic quantity associated with spin transport is the magnetization; its Onsager-conjugate force is in general the…

Materials Science · Physics 2021-06-09 Joseph P. Heremans

Mesoscopic conductors are electronic systems of sizes in between nano- and micrometers, and often of reduced dimensionality. In the phase-coherent regime at low temperatures, the conductance of these devices is governed by quantum…

Mesoscale and Nanoscale Physics · Physics 2008-03-27 Michael Wimmer , Matthias Scheid , Klaus Richter

We theoretically investigate the supercurrent-induced magnetization dynamics of a two-dimensional lattice of ferromagnetically ordered spins placed on a conventional superconductor with broken spatial inversion symmetry and strong…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Kjetil M. D. Hals

Electrical spin injection and transport in silicon are central challenges for realizing semiconductor-based spintronic devices, particularly in p-type Si, where strong spin relaxation and interface effects often suppress detectable spin…

Other Condensed Matter · Physics 2026-02-18 Nilay Maji , Subham Mohanty , Pujarani Dehuri , Garima Yadav

Spin-split superconductors offer new functionality compared to conventional superconductors such as diode-effects and efficient thermoelectricity. The superconducting state can nevertheless only withstand a small amount of spin-splitting.…

Superconductivity · Physics 2024-05-15 Johanne Bratland Tjernshaugen , Morten Amundsen , Jacob Linder

We propose a spintronic device to generate spin polarization in a mesoscopic region by purely electric means. We show that the spin Hall effect in combination with the stirring effect are sufficient to induce measurable spin polarization in…

Mesoscale and Nanoscale Physics · Physics 2009-07-27 Yu. V. Pershin , N. A. Sinitsyn , A. Kogan , A. Saxena , D. L. Smith

We report on nonlocal transport in superconductor hybrid structures, with ferromagnetic as well as normal-metal tunnel junctions attached to the superconductor. In the presence of a strong Zeeman splitting of the density of states, both…

Superconductivity · Physics 2013-02-26 M. J. Wolf , F. Hübler , S. Kolenda , H. v. Löhneysen , D. Beckmann

What happens to spin-polarised electrons when they enter a superconductor? Superconductors at equilibrium and at finite temperature contain both paired particles (of opposite spin) in the condensate phase as well as unpaired,…

Superconductivity · Physics 2013-02-19 C. H. L. Quay , D. Chevallier , C. Bena , M. Aprili

We report on nonlocal spin transport in mesoscopic superconducting aluminum wires in contact with the ferromagnetic insulator europium sulfide. We find spin injection and long-range spin transport in the regime of the exchange splitting…

Superconductivity · Physics 2014-10-17 M. J. Wolf , C. Sürgers , G. Fischer , D. Beckmann

We present a detailed analysis of the Aharonov-Bohm (AB) interference oscillations manifested through transmission of an electron in a mesoscopic ring with a magnetic impurity atom inserted in one of its arms. The spin polarization…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Sandeep K. Joshi , Debendranath Sahoo , A. M. Jayannavar

Using a modified spin-wave approach, we show that in the presence of an inhomogeneous magnetic field or an in plane inhomogeneous electric field a mesoscopic antiferromagnetic Heisenberg ring with integer spin (i.e., a Haldane gap system)…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Florian Schuetz , Marcus Kollar , Peter Kopietz

Spin pumping refers to the microwave-driven spin current injection from a ferromagnet into the adjacent target material. We theoretically investigate the spin pumping into superconductors by fully taking account of impurity spin-orbit…

Materials Science · Physics 2017-07-19 Masashi Inoue , Masanori Ichioka , Hiroto Adachi

We consider alignment-dependent spin and heat transport across a magnon spin valve in the tunneling regime, i.e., a junction consisting of two weakly coupled ferromagnetic insulators. We determine the difference in spin and heat conductance…

Mesoscale and Nanoscale Physics · Physics 2020-03-04 Jiansen Zheng , Andreas Rückriegel , Scott A. Bender , Rembert A. Duine

We study the spin-dependent conductance of ballistic mesoscopic ring systems in the presence of an inhomogeneous magnetic field. We show that, for the setup proposed, even a small Zeeman splitting can lead to a considerable spin…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Markus Popp , Diego Frustaglia , Klaus Richter

We calculate the anomalous Hall conductance of superconductors with spin-orbit interaction and with either uniform or local magnetization. In the first case we consider a uniform ferromagnetic ordering in a spin triplet superconductor,…

Superconductivity · Physics 2015-06-03 P. D. Sacramento , M. A. N. Araujo , V. R. Vieira , V. K. Dugaev , J. Barnas

Electric control over magnetic interactions at the level of individual spins is relevant for a variety of quantum applications, such as qubits, memory and sensor functionality. We show here that spin lattices and magnon gaps can be…

Mesoscale and Nanoscale Physics · Physics 2026-03-13 Johanne Bratland Tjernshaugen , Martin Tang Bruland , Jacob Linder

We discuss methods for imaging the nonequilibrium spin polarization of electrons in Fe/GaAs spin transport devices. Both optically- and electrically-injected spin distributions are studied by scanning magneto-optical Kerr rotation…

Materials Science · Physics 2009-11-11 S. A. Crooker , M. Furis , X. Lou , D. L. Smith , C. Adelmann , C. J. Palmstrom , P. A. Crowell

Since its discovery, graphene has been a promising material for spintronics: its low spin-orbit coupling, negligible hyperfine interaction, and high electron mobility are obvious advantages for transporting spin information over long…

Mesoscale and Nanoscale Physics · Physics 2018-12-04 Jose H. Garcia , Marc Vila , Aron W. Cummings , Stephan Roche
‹ Prev 1 3 4 5 6 7 10 Next ›