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Little is known about the spin-flip diffusion length $l_{\rm sf}$, one of the most important material parameters in the field of spintronics. We use a density-functional-theory based scattering approach to determine values of $l_{\rm sf}$…

Mesoscale and Nanoscale Physics · Physics 2021-05-13 Rohit S. Nair , Ehsan Barati , Kriti Gupta , Zhe Yuan , Paul J. Kelly

We theoretically propose a novel spin-dependent electronic transport mechanism in which the spin-unpolarized electron beam is split into different directions depending on spins at an atomic domain boundary in non-magnetic material.…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Tetsuro Habe , Mikito Koshino

We present the analytical result of the expectation value of spin resulting from an injected spin polarized electron into a semi-infinitely extended 2DEG plane with [001] growth geometry via ideal quantum point contact. Both the Rashba and…

Other Condensed Matter · Physics 2007-05-23 Ming-Hao Liu , Ching-Ray Chang , Son-Hsien Chen

Solid-state electronics based on utilizing the electron spin degree of freedom for storing and processing information can pave the way for next-generation spin-based computing. However, the realization of spin communication between multiple…

Mesoscale and Nanoscale Physics · Physics 2020-02-05 Dmitrii Khokhriakov , Bogdan Karpiak , Anamul Md. Hoque , Saroj P. Dash

In magnetoresistive (MR) studies of magnetic multilayers composed of combinations of ferromagnetic (F) and non-magnetic (N) metals, the magnetic moment (or related 'spin') of each conduction electron plays a crucial role, supplementary to…

Materials Science · Physics 2015-06-25 Jack Bass , William P. Pratt

We present a numerical study on the spin and thermal conductivities of the spin-1 Heisenberg chain in the high temperature limit, in particular of the Drude weight contribution and frequency dependence. We use the Exact Diagonalization and…

Strongly Correlated Electrons · Physics 2009-11-10 J. Karadamoglou , X. Zotos

The underlying physics of the inverted Hanle effect appearing in Si was experimentally investigated using a Si spin valve, where spin transport was realized up to room temperature. No inverted-Hanle-related signal was observed in a…

Spins of carriers confined in quantum dots (QDs) are promising candidates for qubits due to their relatively long spin relaxation times. However, the electron spin dephasing, primarily driven by hyperfine interactions with nuclear spins,…

Mesoscale and Nanoscale Physics · Physics 2025-11-25 Maja Wasiluk , Helena Janowska , Anna Musiał , Johann P. Reithmaier , Mohamed Benyoucef , Wojciech Rudno-Rudziński

Spin transport in non-degenerate semiconductors is expected to pave a way to the creation of spin transistors, spin logic devices and reconfigurable logic circuits, because room temperature (RT) spin transport in Si has already been…

The transverse current (j_H) due to anomalous Hall effect (AHE) is usually assumed to be perpendicular to the magnetization (m) in ferromagnetic materials, which governs the experiments in spintronics. Generally, this assumption is derived…

Mesoscale and Nanoscale Physics · Physics 2025-07-02 Lulu Li , Junwen Sun , Lei Wang , X. R. Wang , Ke Xia

The carbon isotope $^{13}$C, in contrast to $^{12}$C, possesses a nuclear magnetic moment and can induce electron spin dephasing in graphene. This effect is usually neglected due to the low abundance of $^{13}$C in natural carbon allotropes…

Mesoscale and Nanoscale Physics · Physics 2014-04-29 M. Wojtaszek , I. J. Vera-Marun , E. Whiteway , M. Hilke , B. J. van Wees

The influence of the Rashba spin-orbit coupling on the electron spin dynamics is investigated for a ballistic semiconductor quantum wire with a finite width. We monitor the spin evolution using the time-dependent Schr\"odinger equation. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Manuel Valin-Rodriguez , Antonio Puente , Llorens Serra

The spin dynamics and spin relaxation of itinerant electrons in quantum wires with spin-orbit coupling is reviewed. We give an introduction to spin dynamics, and review spin-orbit coupling mechanisms in semiconductors. The spin diffusion…

Mesoscale and Nanoscale Physics · Physics 2010-12-17 Paul Wenk , Stefan Kettemann

We study theoretically the transport properties of a three-dimensional spin texture made from three orthogonal helices, which is essentially a lattice of monopole-antimonopole pairs connected by Skyrmion strings. This spin structure is…

Mesoscale and Nanoscale Physics · Physics 2016-12-01 Xiao-Xiao Zhang , Andrey S. Mishchenko , Giulio De Filippis , Naoto Nagaosa

We consider the spin-orbit-induced spin Hall effect and spin swapping in diffusive superconductors. By employing the non-equilibrium Keldysh Green's function technique in the quasiclassical approximation, we derive coupled transport…

Mesoscale and Nanoscale Physics · Physics 2017-02-22 Camilla Espedal , Peter Lange , Severin Sadjina , A. G. Mal'shukov , Arne Brataas

Hanle effect is ubiquitous in the study of spin-related phenomena and has been used to determine spin lifetime, precession and transport in semiconductors. Here, we report an experimental observation of anomalous Hanle effect in individual…

Mesoscale and Nanoscale Physics · Physics 2009-10-12 O. Krebs , P. Maletinsky , T. Amand , B. Urbaszek , A. Lemaître , P. Voisin , X. Marie , A. Imamoglu

We use all-electrical methods to inject, transport, and detect spin-polarized electrons vertically through a 350-micron-thick undoped single-crystal silicon wafer. Spin precession measurements in a perpendicular magnetic field at different…

Materials Science · Physics 2009-11-13 Biqin Huang , Douwe J. Monsma , Ian Appelbaum

Quasi--one dimensional edge channels are formed at the boundary of a two-dimensional electron system subject to a strong perpendicular magnetic field. We consider the effect of Rashba spin--orbit coupling, induced by structural inversion…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Marco G. Pala , Michele Governale , Ulrich Zülicke , Giuseppe Iannaccone

We launch a first investigation into how a light scalar field coupled both conformally and disformally to matter influences the evolution of spinning point-like bodies. Working directly at the level of the equations of motion, we derive…

General Relativity and Quantum Cosmology · Physics 2021-03-09 Philippe Brax , Anne-Christine Davis , Scott Melville , Leong Khim Wong

We theoretically investigate a manipulation method of nonequilibrium spin accumulation in the paramagnetic normal metal of a spin pumping system, by using the spin precession motion combined with the spin diffusion transport. We demonstrate…

Materials Science · Physics 2019-07-11 Junji Fujimoto , Mamoru Matsuo
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