English
Related papers

Related papers: All-electric single electron spin-to-charge conver…

200 papers

Coherent control of individual molecular spins in nano-devices is a pivotal prerequisite for fulfilling the potential promised by molecular spintronics. By applying electric field pulses during time-resolved electron spin resonance…

We propose a spin current diode which can work even in a small applied bias condition (the linear-response regime). The prototypal device consists of a hornlike electron waveguide with Rashba spin-orbit interaction, which is connected to…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 F. Zhai , K. Chang , H. Q. Xu

Understanding spin physics in graphene is crucial for developing future two-dimensional spintronic devices. Recent studies show that efficient spin-to-charge conversions via either the inverse spin Hall effect or the inverse…

Mesoscale and Nanoscale Physics · Physics 2022-01-05 C. K. Safeer , Franz Herling , Won Young Choi , Nerea Ontoso , Josep Ingla-Aynés , Luis E. Hueso , Fèlix Casanova

We study spin-orbit torques and charge pumping in magnetic quasi-one dimensional zigzag nanoribbons with hexagonal lattice, in the presence of large intrinsic spin-orbit coupling. Such a system experiences topological phase transition from…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Hang Li , Aurelien Manchon

Silicon spin qubits form one of the leading platforms for quantum computation. As with any qubit implementation, a crucial requirement is the ability to measure individual quantum states rapidly and with high fidelity. As the signal from a…

Mesoscale and Nanoscale Physics · Physics 2019-07-10 G. Zheng , N. Samkharadze , M. L. Noordam , N. Kalhor , D. Brousse , A. Sammak , G. Scappucci , L. M. K. Vandersypen

We present a new technique for producing two- and three-dimensional Rashba-type spin-orbit couplings for ultracold atoms without involving light. The method relies on a sequence of pulsed inhomogeneous magnetic fields imprinting suitable…

Quantum Gases · Physics 2013-09-24 Brandon M. Anderson , I. B. Spielman , Gediminas Juzeliūnas

We theoretically investigate the spin-charge transport in two-terminal device of graphene nanoribbons in the presence of an uniform uniaxial strain, spin-orbit coupling, exchange field and smooth staggered potential. We show that the…

Mesoscale and Nanoscale Physics · Physics 2014-09-25 Ginetom S. Diniz , Marcos R. Guassi , Fanyao Qu

We investigate spin-to-charge conversion via the Edelstein effect in a 2D Rashba electron gas using the semiclassical Boltzmann approach. We analyze the magnetization arising from the direct Edelstein effect, taking into account an…

Mesoscale and Nanoscale Physics · Physics 2025-03-27 Irene Gaiardoni , Mattia Trama , Alfonso Maiellaro , Claudio Guarcello , Francesco Romeo , Roberta Citro

Millikelvin magnetotransport studies are carried out on heavily $n$-doped wurtzite GaN:Si films grown on semi-insulating GaN:Mn buffer layers by metal-organic vapor phase epitaxy. The dependency of the conductivity on magnetic field and…

Mesoscale and Nanoscale Physics · Physics 2014-05-06 W. Stefanowicz , R. Adhikari , T. Andrearczyk , B. Faina , M. Sawicki , J. A. Majewski , T. Dietl , A. Bonanni

Because of the peculiar coupling of spatial and spin degrees of freedom effected by the Rashba spin-orbit interaction, lateral confinement of a two dimensional electronic system leads to a finite transverse spin polarization near the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Chesi , G. F. Giuliani

Using a three-dimensional focused-ion beam lithography process we have fabricated nanopillar devices which show spin transfer torque switching at zero external magnetic fields. Under a small in-plane external bias field, a field-dependent…

Materials Science · Physics 2009-11-13 M. C. Wu , A. Aziz , D. Morecroft , M. G. Blamire , M. C. Hickey , M. Ali , G. Burnell , B. J. Hickey

We study the effects of Rashba spin-orbit coupling on two-dimensional Rydberg exciton systems. Using analytical and numerical arguments we demonstrate that this coupling considerably modifies the wave functions and leads to a level…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 V. A. Stephanovich , E. Ya. Sherman , N. T. Zinner , O. V. Marchukov

We demonstrate all optical electron spin initialization, storage and readout in a single self-assembled InGaAs quantum dot. Using a single dot charge storage device we monitor the relaxation of a single electron over long timescales…

Mesoscale and Nanoscale Physics · Physics 2016-11-25 D. Heiss , V. Jovanov , F. Klotz , D. Rudolph , M. Bichler , G. Abstreiter , M. S. Brandt , J. J. Finley

Cavity-coupled nanoelectric devices hold great promise for quantum technology based on coupling between electron-spins and photons. In this study, we approach the description of these effects through the modeling of a nanodevice using a…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 Nzar Rauf Abdullah , Vidar Gudmundsson

We present semiclassical and quantum mechanical results for the effects of a strong magnetic field in Quantum Wires in the presence of Rashba Spin Orbit coupling. Analytical and numerical results show how the perturbation acts in the…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 S. Bellucci , P. Onorato

The one-dimensional effective Hamiltonian for a planar curvilinear quantum wire with arbitrary shape is proposed in the presence of the Rashba spin-orbit interaction. Single electron propagation through a device of two straight lines…

Mesoscale and Nanoscale Physics · Physics 2015-03-13 Erhu Zhang , Shengli Zhang , Qi Wang

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

For a linear chain of diamond-like elements, we show that the Rashba spin-orbit interaction (which can be tuned by a perpendicular gate voltage) and the Aharonov-Bohm flux (due to a perpendicular magnetic field) can combine to select only…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Amnon Aharony , Ora Entin-Wohlman , Yasuhiro Tokura , Shingo Katsumoto

We show that by illuminating an InGaAs/GaAs self-assembled quantum dot with circularly polarized light, the nuclei of atoms constituting the dot can be driven into a bistable regime, in which either a threshold-like enhancement or reduction…

Ferromagnetic heterostructures provide an ideal platform to explore the nature of spin-orbit torques arising from the interplay mediated by itinerant electrons between a Rashba-type spin-orbit coupling and a ferromagnetic exchange…

Mesoscale and Nanoscale Physics · Physics 2014-02-10 Xuhui Wang , Christian Ortiz Pauyac , Aurelien Manchon