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Spin-orbit interaction (SOI) has been a key tool to steer and manipulate spin-dependent transport properties in two-dimensional electron gases. Here we demonstrate how spin currents can be created and efficiently read out in nano- or…

Mesoscale and Nanoscale Physics · Physics 2023-04-05 F. N. Gürsoy , P. Reck , C. Gorini , K. Richter , I. Adagideli

Spin-orbit interaction (SOI) is a fundamental component for electrically driven spin qubits and hybrid superconducting-semiconducting systems. In particular, Rashba SOI (RSOI) is a key mechanism enabling all-electrical spin manipulation…

Mesoscale and Nanoscale Physics · Physics 2025-06-18 Patrick Del Vecchio , Stefano Bosco , Daniel Loss , Oussama Moutanabbir

We investigate theoretically the spin-polarized electron transport for a wide-narrow-wide (WNW) quantum wire under the modulation of Rashba spin-orbit interaction (SOI). The influence of both the structure of the quantum wire and the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Xianbo Xiao , Xiaomao Li , Yuguang Chen

The spin dynamics in a quantum wire with a Rashba spin orbit interaction (SOI) is shown to be controllable via sub-picosecond electromagnetic pulses shaped appropriately. If the light polarization vector is along the wire's direction, the…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Zhen-Gang Zhu , Cheng-Long Jia , Jamal Berakdar

Indium arsenide (InAs) nanowires (NWs) are a promising platform to fabricate quantum electronic devices, among others they have strong spin-orbit interaction (SOI). The controlled tuning of the SOI is desired in spin based quantum devices.…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Zoltán Scherübl , Gergő Fülöp , Morten Hannibal Madsen , Jesper Nygård , Szabolcs Csonka

We study the effects of spin-orbit interaction (SOI) on the current-induced motion of a magnetic (Bloch) domain wall in ultrathin ferromagnetic nanowires. The conspiracy of spin relaxation and SOI is shown to generate a novel strong…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Martin Stier , Reinhold Egger , Michael Thorwart

We study ballistic transport of spin-polarized electrons through quantum wires in which the strength of the Rashba spin-orbit interaction (SOI) is spatially modulated. Subband mixing, due to SOI, between the two lowest subbands is taken…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 X. F. Wang

Rashba-type spin-orbit interaction (SOI) controlled band structure of a two-dimensional superlattice allows for the modulation of the conductance of finite size devices by changing the strength of the SOI. We consider rectangular arrays and…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Peter Foldi , Viktor Szaszko-Bogar , F. M. Peeters

The broken inversion symmetry at interfaces of complex oxides gives rise to emergent phenomena, including ferromagnetism and Rashba spin-orbit coupling (SOC), which profoundly influence the electronic structure by entangling spin and…

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,…

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 torques (SOTs) have opened a novel way to manipulate the magnetization using in-plane current, with a great potential for the development of fast and low power information technologies. It has been recently shown that…

Manipulating the electron spin with the aid of spin-orbit coupling (SOC) is an indispensable element of spintronics. Electrostatically gating a material with strong SOC results in an effective magnetic field which can in turn be used to…

The Rashba effect, which plays a crucial role in fundamental materials physics and potential spintronics applications, has been engineered in diverse systems, including semiconductor quantum wells, oxide heterostructures, metallic surfaces,…

Ferroelectric materials hold great potential for alternative memories and computing, but several challenges need to be overcome before bringing the ideas to applications. In this context, the recently discovered link between electric…

Materials Science · Physics 2022-10-18 Homayoun Jafari , Arunesh Roy , Jagoda Sławińska

Spin-orbit interaction (SOI) in low-dimensional systems results in the fascinating property of spin-momentum locking. In a Rashba system the inversion symmetry normal to the plane of a two-dimensional (2D) electron gas is broken, generating…

Materials Science · Physics 2013-02-22 Bartosz Slomski , Gabriel Landolt , Gustav Bihlmayer , Jürg Osterwalder , J. Hugo Dil

The spin-orbit (SO) interaction couples electron spin and momentum via a relativistic, effective magnetic field. While conveniently facilitating coherent spin manipulation in semiconductors, the SO interaction also inherently causes spin…

Mesoscale and Nanoscale Physics · Physics 2014-03-17 F. Dettwiler , J. Fu , S. Mack , P. J. Weigele , J. C. Egues , D. D. Awschalom , D. M. Zumbühl

We report on an experimental study of the spin-orbit interaction (SOI) in an epitaxially grown free-standing InAs nanosheet in a dual-gate field-effect device. Gate-transfer characteristic measurements show that independent tunings of the…

Mesoscale and Nanoscale Physics · Physics 2022-08-22 Furong Fan , Yuanjie Chen , Dong Pan , Jianhua Zhao , H. Q. Xu

We report a first principles theoretical investigation of quantum transport in monolayer WSe2 field effect transistor (FET). Due to a strong spin-orbit interaction (SOI) and the atomic structure of the two-dimensional (2D) lattice,…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Kui Gong , Lei Zhang , Dongping Liu , Lei Liu , Yu Zhu , Yonghong Zhao , Hong Guo

Spintronics is aimed at active controlling and manipulating the spin degrees of freedom in semiconductor devices. A promising way to achieve this goal is to make use of the tunable Rashba effect that relies on the spin-orbit interaction…

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