中文
相关论文

相关论文: Tailoring spin-orbit torque in diluted magnetic se…

200 篇论文

Extending a previous work on spin precession in GaAs/AlGaAs quantum dots with spin-orbit coupling, we study the role of deformation in the external confinement. Small elliptical deformations are enough to alter the precessional…

介观与纳米尺度物理 · 物理学 2009-11-10 Manuel Valin-Rodriguez , Antonio Puente , Llorens Serra

We present a theory of magnetotransport through a system of two coupled electronic orbitals, where the electron spin interacts with a (large) local magnetic moment via an exchange interaction. For the physical realization of such a set-up…

介观与纳米尺度物理 · 物理学 2012-11-06 Klemens Mosshammer , Gerold Kiesslich , Tobias Brandes

We study the spin-orbit torques (SOTs) in Co/Cu/Co magnetic trilayers based on first-principles density-functional theory calculations in the case where the applied electric field lies in-plane, i.e., parallel to the interfaces. We assume…

介观与纳米尺度物理 · 物理学 2018-07-31 Frank Freimuth , Stefan Blügel , Yuriy Mokrousov

An electric current in the presence of spin-orbit coupling can generate a spin accumulation that exerts torques on a nearby magnetization. We demonstrate that, even in the absence of materials with strong bulk spin-orbit coupling, a torque…

Based on general symmetry considerations we investigate how the dependence of the tunneling anisotropic magnetoresistance (TAMR) on the magnetization direction is determined by the specific form of the spin-orbit coupling field. By…

介观与纳米尺度物理 · 物理学 2009-04-17 A. Matos-Abiague , M. Gmitra , J. Fabian

A recent theory of magnetoresistance in positionally disordered organic semiconductors is extended to include exchange and dipolar couplings between polarons. Analytic results are discovered when the hyperfine, exchange, and dipolar…

无序系统与神经网络 · 物理学 2012-06-25 N. J. Harmon , M. E. Flatté

Characterizing the anisotropic structure in noncollinear antiferromagnets is essential for antiferromagnetic spintronics. In this work, we provide a microscopic theory linking the anisotropy effects induced by the rigid-body rotation of…

材料科学 · 物理学 2025-07-15 Zheng Liu , Yang Gao , Qian Niu

Electric control of N\'eel vector is a central task of antiferromagnetic (AFM) spintronics. The major scheme so far relies on the linear N\'eel torque, which however is restricted to AFMs with broken inversion symmetry. Here, we propose a…

材料科学 · 物理学 2025-06-13 Jin Cao , Weikang Wu , Huiying Liu , Shen Lai , Cong Xiao , X. C. Xie , Shengyuan A. Yang

We review a unified approach for computing: (i) spin-transfer torque in magnetic trilayers like spin-valves and magnetic tunnel junction, where injected charge current flows perpendicularly to interfaces; and (ii) spin-orbit torque in…

介观与纳米尺度物理 · 物理学 2018-10-29 Branislav K. Nikolic , Kapildeb Dolui , Marko Petrović , Petr Plecháč , Troels Markussen , Kurt Stokbro

The so-called neutron spin resonance consists of a prominent enhancement of the magnetic response at a particular energy and momentum transfer upon entering the superconducting state of unconventional superconductors. In the case of…

超导电性 · 物理学 2019-06-21 Daniel D. Scherer , Brian M. Andersen

We predict an unconventional spin-transfer torque (STT) acting on the magnetization of a free ferromagnetic (F) layer within N/TI/F vertical heterostructures which originates from strong spin-orbit coupling (SOC) on the surface of a…

介观与纳米尺度物理 · 物理学 2012-10-18 Farzad Mahfouzi , Naoto Nagaosa , Branislav K. Nikolic

The unconventional magnetotransport at the interface between transition-metal oxides $LaAlO_3$ (LAO) and $SrTiO_3$ (STO) is frequently related to mobile electrons interacting with localized magnetic moments. However nature and properties of…

介观与纳米尺度物理 · 物理学 2017-05-30 N. Bovenzi , M. Diez

We investigate the current-induced spin-orbit torque in antiferromangnetic materials in the presence of Rashba spin orbit coupling using both the linear response theory and the non-equilibrium Green's function technique implemented on a…

介观与纳米尺度物理 · 物理学 2016-06-15 Hamed Ben Mohamed Saidaoui , Aurelien Manchon

We use the $\mathbf{k} \cdot \mathbf{p}$ theory and the envelope function approach to evaluate the Rashba spin-orbit coupling induced in a semiconductor nanowire by a magnetic field at different orientations, taking explicitely into account…

介观与纳米尺度物理 · 物理学 2021-03-03 P. Wójcik , A. Bertoni , G. Goldoni

We investigate the angular dependence of the spin torque generated when applying a temperature difference across a spin-valve. Our study shows the presence of a non-trivial fixed point in this angular dependence, i.e. the possibility for a…

介观与纳米尺度物理 · 物理学 2014-10-29 David Luc , Xavier Waintal

We show that in the metallic phase of a two dimensional electron gas the spin-orbit coupling due to structure inversion asymmetry leads to a characteristic anisotropy in the magnetoconductance. Within the assumption that the metallic phase…

介观与纳米尺度物理 · 物理学 2016-08-31 P. Schwab , R. Raimondi

The spin-orbit torque, a torque induced by a charge current flowing through the heavy-metal conducting layer with strong spin-orbit interactions, provides an efficient way to control the magnetization direction in heavy-metal/ferromagnet…

Understanding the role of spin-orbit coupling (SOC) has been crucial to controlling magnetic anisotropy in magnetic multilayer films. It has been shown that electronic structure can be altered via interface SOC by varying the superlattice…

We study the in-plane transport of spin-polarized electrons in III-V semiconductor quantum wells. The spin dynamics is controlled by the spin-orbit interaction, which arises via the Dresselhaus (bulk asymmetry) and Rashba (well asymmetry)…

介观与纳米尺度物理 · 物理学 2010-10-12 Semion Saikin , Min Shen , Ming-C. Cheng , Vladimir Privman

Account of an intrinsic spin-orbit coupling in the valence bands of common semiconductors yields the scalar spin-orbit-rotation term in the effective-mass Hamiltonian of the conduction-band electron. This result is obtained within the…

介观与纳米尺度物理 · 物理学 2009-11-13 Yuri A. Serebrennikov