English
Related papers

Related papers: All-Electrical Generation of Spin-Polarized Curren…

200 papers

In this work, we study thermally-generated spin current in the system consisting of a quantum dot connected to two magnetic insulators. The external leads are kept at different temperatures which leads to an imbalance of magnon populations…

Mesoscale and Nanoscale Physics · Physics 2024-09-20 Emil Siuda , Piotr Trocha

The generation of time-reversal-odd spin-current in metallic altermagnets has attracted considerable interest in spintronics. However, producing pure spin-current in insulating materials remains both challenging and desirable, as insulating…

Materials Science · Physics 2026-05-21 Ruizhi Dong , Ranquan Cao , Dian Tan , Ruixiang Fei

We propose a time-reversal-even spin generation in second order of electric fields, which dominates the current induced spin polarization in a wide class of centrosymmetric nonmagnetic materials, and leads to a novel nonlinear spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2023-05-03 Cong Xiao , Weikang Wu , Hui Wang , Yue-Xin Huang , Xiaolong Feng , Huiying Liu , Guang-Yu Guo , Qian Niu , Shengyuan A. Yang

The electron spin is emerging as a new powerful tool in the electronics and optics industries. Many proposed applications involve the creation of spin currents, which so far have proven to be difficult to produce in semiconductor…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. A. Fertig

Generation and manipulation of exciton polaritons with controllable spin could deeply impact spintronic applications, quantum simulations, and quantum information processing, but is inherently challenging due to the charge neutrality of the…

Optics · Physics 2024-04-23 Yutao Wang , Giorgio Adamo , Son Tung Ha , Jingyi Tian , Cesare Soci

Magnetic skyrmions are nanoscale spin whirlpools that promise breakthroughs in future spintronic applications. Controlled generation of magnetic skyrmions by electric current is crucial for this purpose. While previous studies have…

Materials Science · Physics 2022-11-29 Xuebing Zhao , Jin Tang , Ke Pei , Weiwei Wang , Shi-Zeng Lin , Haifeng Du , Mingliang Tian , Renchao Che

Topological insulators (TIs) hold promise as a platform for spintronics applications due to the fascinating spin-momentum locking (SML) of the surface states. One particular interest lies in using TIs as spin-polarized sources for…

Mesoscale and Nanoscale Physics · Physics 2022-08-25 Chuanchang Zeng , Xiao-Qin Yu , Zhi-Ming Yu , Yugui Yao

By applying density functional theory calculations, we predict that the groundstate of bilayer silicene at certain interlayer distances can be antiferromagnetic. At small electron or hole doping, it becomes half metallic under applied…

Materials Science · Physics 2018-09-03 Xiao-Fang Ouyang , Ze-Yi Song , Yu-Zhong Zhang

Propagating, directionally dependent, polarized spin-currents are created in an anisotropic planar semiconductor microcavity, via Rayleigh scattering of optically injected polaritons in the optical spin Hall regime. The influence of…

Mesoscale and Nanoscale Physics · Physics 2009-11-03 A. Amo , T. C. H. Liew , C. Adrados , E. Giacobino , A. V. Kavokin , A. Bramati

Spin-polarized electron beam sources enable studies of spin-dependent electric and magnetic effects at the nanoscale. We propose a method of creating spin-polarized electrons on an integrated photonics chip by laser driven nanophotonic…

Recent theoretical investigations have shown that spin currents can be generated by passing electric currents through spin-orbit coupled mesoscopic systems. Measuring these spin currents has however not been achieved to date. We show how…

Mesoscale and Nanoscale Physics · Physics 2011-08-17 Peter Stano , Philippe Jacquod

We consider a semiconducting carbon nanotube (CNT) laying on a ferromagnetic insulating sub-strate with one end depassing the substrate and suspended over a metallic gate. We assume that the polarised substrate induces an exchange…

Mesoscale and Nanoscale Physics · Physics 2015-10-27 F. Pistolesi , R. Shekhter

The generation of spin current and spin polarization in 2DEG Rashba system is considered, in which the spin-orbital coupling (SOC) is modulated by an ac gate voltage. By using non-Abelian gauge field method, we show the presence of an…

Mesoscale and Nanoscale Physics · Physics 2020-06-18 Cong Son Ho , Mansoor B. A. Jalil , Seng Ghee Tan

We have shown that electron spin density can be generated by a dc current flowing across a $pn$ junction with an embedded asymmetric quantum well. Spin polarization is created in the quantum well by radiative electron-hole recombination…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. G. Mal'shukov , K. A. Chao

We propose a device that allows for the emission of pairs of spin-polarized electrons into the edge-states of a two dimensional topological insulator. Charge and spin emission is achieved using a periodically driven quantum dot weakly…

Mesoscale and Nanoscale Physics · Physics 2013-12-13 Andreas Inhofer , Dario Bercioux

We investigate the nonequilibrium transport properties of a silicene armchair nanoribbon with a random distribution of adsorbed atoms in apex positions. A ferromagnetic insulator grown below the nanoribbon splits spin-up and spin-down…

Mesoscale and Nanoscale Physics · Physics 2017-07-10 C. Núñez , P. A. Orellana , L. Rosales , R. A. Römer , F. Domínguez-Adame

The spin-orbit interaction is frequently the mechanism by which spin and charge are coupled for spintronic applications. The discovery of spin, a century ago, relied on spin-charge coupling by a magnetic field gradient; this mechanism has…

Mesoscale and Nanoscale Physics · Physics 2023-08-01 Nicholas J. Harmon , Emma Z. Kurth , Dana Coleman , Lana Flanigan

The spin-vortex-induced loop current (SVILC) is a nano-sized loop current predicted to exist in the CuO$_2$ plane in the bulk of hole-doped cuprate superconductors. It is a persistent loop current protected by the topological winding number…

Quantum Physics · Physics 2021-12-24 Hikaru Wakaura , Takao Tomono

The spin Hall effect (SHE) and the magnetic spin Hall effect (MSHE) are responsible for electrical spin current generation, which is a key concept of modern spintronics. We theoretically investigated the spin conductivity induced by…

Materials Science · Physics 2021-09-22 Yuta Yahagi , Jakub Zelezny , Daisuke Miura , Akimasa Sakuma

Quasicrystals have been the subject of intense research in the discipline of condensed matter physics due to their non-trivial characteristic features. In the present work we put forward a new prescription to realize both charge and spin…

Mesoscale and Nanoscale Physics · Physics 2019-04-19 Moumita Patra , Santanu K. Maiti