English
Related papers

Related papers: Magnon-Driven Domain-Wall Motion with the Dzyalosh…

200 papers

We present an analytical theory of domain wall tilt due to a transverse in-plane magnetic field in a ferromagnetic nanostrip with out-of-plane anisotropy and Dzyaloshinskii-Moriya interaction (DMI). The theory treats the domain walls as…

Mesoscale and Nanoscale Physics · Physics 2017-10-17 Cyrill B. Muratov , Valeriy V. Slastikov , Alexander G. Kolesnikov , Oleg A. Tretiakov

We theoretically study the motion of a magnetic domain wall induced by transverse elastic waves in a one-dimensional magnetic wire, which respects both rotational and translational symmetries. By invoking the conservation of the associated…

Mesoscale and Nanoscale Physics · Physics 2016-12-07 Se Kwon Kim , Daniel Hill , Yaroslav Tserkovnyak

The Dzyaloshinskii-Moriya interaction (DMI) has been shown to stabilise Ne\'{e}l domain walls in magnetic thin films, allowing high domain wall velocities driven by spin current effects. DMI occurs at the interface between ferromagnetic and…

We theoretically investigate spin-wave propagation through a magnetic metamaterial with spatially modulated Dzyaloshinskii-Moriya interaction. We establish an effective Sch{\"o}dinger equation for spin-waves and derive boundary conditions…

Materials Science · Physics 2017-11-29 Seung-Jae Lee , Jung-Hwan Moon , Hyun-Woo Lee , Kyung-Jin Lee

The Dzyaloshinskii Moriya Interaction (DMI) has laid the foundation for many novel chiral structures such as Skyrmions. In most of the studies so far, the DMI is present in the whole of the magnetic layer. Here, we report our investigations…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Durgesh Kumar , Rachid Sbiaa , Pinaki Sengupta , S. N. Piramanayagam

We describe a field-driven domain wall creep-based method for the quantification of interfacial Dzyaloshinskii-Moriya interactions (DMI) in perpendicularly magnetized thin films. The use of only magnetic fields to drive wall motion removes…

We study the current-driven domain wall (DW) motion in cylindrical nanowires using micromagnetic simulations by implementing the Landau-Lifshitz-Gilbert equation with nonlocal spin-transfer torque in a finite difference micromagnetic…

Mesoscale and Nanoscale Physics · Physics 2017-12-29 Weiwei Wang , Zhaoyang Zhang , Ryan A. Pepper , Congpu Mu , Yan Zhou , Hans Fangohr

Modulations of interfacial Dzyaloshinskii-Moriya interaction (iDMI) on current-driven dynamics of 180$^{\circ}$ domain walls (180DWs) in long and narrow spin valves (LNSVs) with heavy-metal caplayers are systematically investigated. We…

Mesoscale and Nanoscale Physics · Physics 2021-04-28 Jiaxin Du , Mei Li , Jie Lu

We present an alternative mechanism to control the domain wall motion, whose directions are manipulated by the amplitude of electrical currents when modulating the ratio of D/A (constants of Dzyaloshinskii-Moriya interaction over exchange…

The orientation of a chiral magnetic domain wall in a racetrack determines its dynamical properties. In equilibrium, magnetic domain walls are expected to be oriented perpendicular to the stripe axis. We demonstrate the appearance of a…

Spin waves can induce domain wall motion in ferromagnets. We derive the equations of motion for a transverse domain wall driven by spin waves. Our calculations show that the magnonic spin-transfer torque does not cause rotation-induced…

Mesoscale and Nanoscale Physics · Physics 2017-12-06 Vetle Risinggård , Erlend Grytli Tveten , Arne Brataas , Jacob Linder

Magnetic domain walls can be moved by spin-polarized currents due to spin-transfer torques. This opens the possibility to use them in spintronic memory devices as, e.g., in racetrack storage. Naturally, in miniaturized devices domain walls…

Mesoscale and Nanoscale Physics · Physics 2019-09-04 Martin Stier , Jennifer Erdmann , Michael Thorwart

We investigate how to facilitate the injection of domain walls in chiral ferromagnetic nanowires by electrical means. We calculate the critical current density above which domain walls are injected into the nanowire depending on the…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Davi R. Rodrigues , Nils Sommer , Karin Everschor-Sitte

We use spin-polarized scanning tunneling microscopy and density functional theory (DFT) to study domain walls (DWs) and the Dzyaloshinskii-Moriya interaction (DMI) in epitaxial films of Co/Ir(111) and Pt/Co/Ir(111). Our measurements reveal…

The nonreciprocal propagation of spin waves in an ultrathin Pt/Co/Ni film has been measured by Brillouin light scattering. The frequency nonreciprocity, due to the interfacial Dzyaloshinskii-Moriya interaction (DMI), has a sinusoidal…

Recently, it was demonstrated that field-free switching could be achieved by combining spin-orbit torque (SOT) and Dzyaloshinskii-Moriya interaction (DMI). However, this mechanism only occurs under certain conditions which have not been…

Applied Physics · Physics 2021-02-24 Min Wang , Zhaohao Wang , Xueying Zhang , Weisheng Zhao

Understanding and manipulating nanoscale domain wall (DW) dynamics is a central topic in magnetism and spintronics for its promising applications in logic and memory devices. In most magnetic systems, inertia affects only transient DW…

Mesoscale and Nanoscale Physics · Physics 2026-03-20 K. Y. Jing , X. R. Wang , H. Y. Yuan

Spin-Cherenkov effect enables strong excitations of spin waves (SWs) with nonlinear wave dispersions. The Dzyaloshinskii-Moriya interaction (DMI) results in anisotropy and nonreciprocity of SWs propagation. In this work, we study the effect…

Mesoscale and Nanoscale Physics · Physics 2016-05-06 Jing Xia , Xichao Zhang , Ming Yan , Weisheng Zhao , Yan Zhou

We show that the spin-orbit torque induced magnetization switching in nanomagnets presenting Dzyaloshinskii-Moriya (DMI) interaction is governed by a chiral domain nucleation at the edges. The nucleation is induced by the DMI and the…

Materials Science · Physics 2015-11-04 N. Mikuszeit , O. Boulle , I. M. Miron , K. Garello , P. Gambardella , G. Gaudin , L. D. Buda-Prejbeanu

We investigate the magnetization dynamics that arise when a thin-film ferromagnet is deposited on a topological insulator (TI), focusing in particular on domain-wall motion via current and the possibility of a spin-wave torque acting on the…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Jacob Linder