English
Related papers

Related papers: Electron Induced Massive Dynamics of Magnetic Doma…

200 papers

Currently, much interest is drawn to the analysis of optical and matter-wave modes supported by the fractional diffraction in nonlinear media. We predict a new type of such states, in the form of domain walls (DWs) in the two-component…

Optics · Physics 2022-11-23 Shatrughna Kumar , Pengfei Li , Boris A. Malomed

We demonstrate here that ultrathin ferromagnetic Pt/Co/Pt films with perpendicular magnetic anisotropy exhibit a sizeable Dzyaloshinskii-Moriya interaction (DMI) effect. Such a DMI effect modifies the domain-wall (DW) energy density and…

Materials Science · Physics 2017-04-25 Soong-Geun Je , Duck-Ho Kim , Sang-Cheol Yoo , Byoung-Chul Min , Kyung-Jin Lee , Sug-Bong Choe

The effect of damping-like spin-orbit torque (DL SOT) on magnetic domain walls (DWs) in in-plane magnetised soft tracks is studied analytically and with micromagnetic simulations. We find that DL SOT drives vortex DWs, whereas transverse…

Materials Science · Physics 2020-10-02 Ryuhei Kohno , João Sampaio , Stanislas Rohart , André Thiaville

Finding a new control parameter for magnetic domain wall (DW) motion in magnetic nanostructures is important in general and in particular for the spintronics applications. Here, we show that a circularly polarized magnetic field (CPMF) at…

Mesoscale and Nanoscale Physics · Physics 2010-01-13 P. Yan , X. R. Wang

Starting from the stochastic Landau-Lifschitz-Gilbert equation, we derive Langevin equations that describe the nonzero-temperature dynamics of a rigid domain wall. We derive an expression for the average drift velocity of the domain wall as…

Materials Science · Physics 2009-11-11 R. A. Duine , A. S. Nunez , A. H. MacDonald

We present an analytical calculation of the velocity of a single 180 degree domain wall in a magnetic structure with reduced thickness and/or lateral dimension under the combined action of an external applied magnetic field and an…

Materials Science · Physics 2018-07-26 A. Mougin , M. Cormier , J. P. Adam , P. J. Metaxas , J. Ferre

We present a theoretical study of spin-wave scattering by a twisted domain wall (DW) in a two-dimensional ferromagnet with easy-axis anisotropy. While the twisted DW generates an effective gauge field for spin waves, leading to a deflection…

Mesoscale and Nanoscale Physics · Physics 2026-01-15 Ehsan Faridi , Se Kwon Kim , Giovanni Vignale

The fascinating high-speed field-driven domain wall (DW) motion along ferrimagnetic nanowires near the angular momentum compensation point (AMCP) is solved based on the generic ferrimagnetic dynamics. The physics of the absences of…

Mesoscale and Nanoscale Physics · Physics 2022-12-07 K. Y. Jing , X. Gong , X. R. Wang

In this work, we report analytical results on transverse domain wall (TDW) statics and field-driven dynamics in quasi one-dimensional biaxial nanowires under arbitrary uniform transverse magnetic fields (TMFs) based on the…

Mesoscale and Nanoscale Physics · Physics 2016-12-16 Jie Lu

The motion of domain walls in ferromagnetic, cylindrical nanowires is investigated numerically by solving the Landau-Lifshitz-Gilbert equation for a classical spin model in which energy contributions from exchange, crystalline anisotropy,…

Condensed Matter · Physics 2009-11-10 R. Wieser , U. Nowak , K. D. Usadel

The surface energy of a magnetic Domain Wall (DW) strongly affects its static and dynamic behaviours. However, this effect was seldom directly observed and many related phenomena have not been well understood. Moreover, a reliable method to…

Mesoscale and Nanoscale Physics · Physics 2018-03-07 Xueying Zhang , Nicolas Vernier , Weisheng Zhao , Haiming Yu , Laurent Vila , Dafiné Ravelosona

Magnetic domain walls (DWs) are widely regarded as classical objects in physics community, even though the concepts of electron spins and spin-spin exchange interaction are quantum mechanical in nature. One intriguing question is whether…

Mesoscale and Nanoscale Physics · Physics 2019-08-05 H. Y. Yuan , Man-Hong Yung , X. R. Wang

The influence of the non-collinear magnetic configuration on Friedel is investigated theoretically. Specifically the influence of the magnetic configuration on the induced electric charge in a N\'{e}el type domain wall (DW) has been…

Mesoscale and Nanoscale Physics · Physics 2017-10-10 R. Ghanbary , A. Phirouznia

Domain walls in ferroelectric oxides provide fertile ground for the development of next-generation nanotechnology. Examples include domain-wall-based memory, memristors, and diodes, where the unusual electronic properties and the quasi-2D…

Current-driven domain wall (DW) motion in magnetic wires with asymmetric notches was investigated by means of magnetic force microscopy. It was found that the critical current density necessary for the current-driven DW motion depended on…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. Himeno , S. Kasai , T. Ono

We study, both analytically and numerically, a spinmotive force arising from inherent magnetic energy of a domain wall in a wedged ferromagnetic nanowire. In a spatially-nonuniform nanowire, domain walls are subjected to an effective…

Other Condensed Matter · Physics 2015-05-28 Yuta Yamane , Jun'ichi Ieda , Jun-ichiro Ohe , Stewart E. Barnes , Sadamichi Maekawa

Domain walls (DWs) can be produced when a discrete symmetry is spontaneously broken, and long-lived DWs can dominate the energy density of the universe. In this work, we explore the possibility that a "domain wall dominant (DWD)" phase…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-06 Sungwoo Hong , Sung Mook Lee , Qiuyue Liang

This work is focused on determining the electrical resistance, which induced by single domain wall in magnetic nanowire with a negligible defect. The provided model covers a wide range of nanowire's diameters. The obtained result…

Other Condensed Matter · Physics 2022-03-15 Artur Useinov

In most ferromagnets the magnetization rotates from one domain to the next with no preferred handedness. However, broken inversion symmetry can lift the chiral degeneracy, leading to topologically-rich spin textures such as spin-spirals and…

Materials Science · Physics 2016-01-29 Satoru Emori , Uwe Bauer , Sung-Min Ahn , Eduardo Martinez , Geoffrey S. D. Beach

The interaction between bulk and dynamic domain wall in the presence of a linear / non-linear electromagnetism make energy density, tension and pressure on the wall all variables, depending on the wall position. In [1] this fact seems to be…

General Relativity and Quantum Cosmology · Physics 2011-04-05 S. Habib Mazharimousavi , M. Halilsoy