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The magnetization in the domain walls (DWs) formed inside the inner core of the amorphous ferromagnetic microwire is studied within a simple analytical model proposed. The influence of the ordering in the internal-stress created outer shell…

Mesoscale and Nanoscale Physics · Physics 2015-09-10 Andrzej Janutka , Przemyslaw Gawronski

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

Recent studies demonstrate that an individual magnetic domain wall (DW) can be trapped and reproducibly positioned within multiterminal (Ga,Mn)As microdevices. The electrical resistance obtained from such measurements is found to be…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Hongxing Tang , Michael L. Roukes

We investigate experimentally the effects of externally applied strain on the injection of 180$^\circ$ domain walls (DW) from a nucleation pad into magnetic nanowires, as typically used for DW-based sensors. In our study the strain,…

We show how the axial (chiral) anomaly induces a spin torque on the magnetization in magnetic Weyl semimetals. The anomaly produces an imbalance in left- and right-handed chirality carriers when non-orthogonal electric and magnetic fields…

Mesoscale and Nanoscale Physics · Physics 2021-05-27 Julia D. Hannukainen , Alberto Cortijo , Jens H. Bardarson , Yago Ferreiros

Magnetic domain walls, which are crucially important in both fundamental physics and technical applications, often have a preference in their form due to many different origins, such as the crystalline shape, lattice symmetry, and magnetic…

Strongly Correlated Electrons · Physics 2017-09-20 Ryo Ozawa , Satoru Hayami , Kipton Barros , Yukitoshi Motome

Electric field effects in ferromagnetic/oxide dielectric structures provide a new route to control domain wall (DW) dynamics with low power dissipation. However, electric field effects on DW velocities have only been observed so far in the…

A series of microstructures designed to pin domain-walls (DWs) in (Ga,Mn)As with perpendicular magnetic anisotropy has been employed to determine extrinsic and intrinsic contributions to DW resistance. The former is explained quantitatively…

Materials Science · Physics 2010-01-13 D. Chiba , M. Yamanouchi , F. Matsukura , T. Dietl , H. Ohno

We report the direct observation of the current-driven domain wall (DW) motion by magnetic force microscopy in a structured Co/Ni wire with perpendicular magnetic anisotropy. The wire has notches to define the DW position. It is…

We investigate the formation of stable one-dimensional N\'eel walls in a ferromagnetic slab with finite thickness and finite width. Taking into account the dipolar, the exchange and the uniaxial anisotropic crystalline field interactions,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Rafael M. Fernandes , Harry Westfahl , Rogério Magalhães-Paniago , Leticia N. Coelho

We numerically investigate the electronic properties of magnetic domain walls formed in a Weyl semimetal. Electric charge distribution is computed from the electron wave functions, by numerically diagonalizing the Hamiltonian under several…

Mesoscale and Nanoscale Physics · Physics 2018-07-11 Yasufumi Araki , Akihide Yoshida , Kentaro Nomura

The dynamics of domain walls in ultrathin ferromagnetic strips with perpendicular magnetic anisotropy is studied from both numerical and analytical micromagnetics. The influence of the interfacial Dzyaloshinskii-Moriya interaction…

Materials Science · Physics 2016-04-20 L. Sánchez-Tejerina , Ó. Alejos , E. Martínez , J. M. Muñoz

Magnetic domain walls play a critical role in the nanoscale evolution of magnetic devices. Despite the early efforts, a complete understanding of the micromagnetic evolution of the width and the type of magnetic domain walls has still…

Mesoscale and Nanoscale Physics · Physics 2026-02-13 Guowen Gong , Changmin Xiong , Lijun Zhu

We probe the current-induced magnetic switching of insulating antiferromagnet/heavy metals systems, by electrical spin Hall magnetoresistance measurements and direct imaging, identifying a reversal occurring by domain wall (DW) motion. We…

In this paper, we develop the mathematical framework to describe the physical phenomenon behind the equilibrium configuration joining two antiferromagnetic domains. We firstly define the total energy of the system and deduce the governing…

Mesoscale and Nanoscale Physics · Physics 2023-01-31 Pierandrea Vergallo , Bennet Karetta , Giancarlo Consolo , Olena Gomonay

Magnetic domain walls are pinned strongly by abrupt changes in magnetic anisotropy. When driven into oscillation by a spin-polarized current, locally pinned domain walls can be exploited as tunable sources of short-wavelength spin waves.…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Pavel Baláž , Sampo J. Hämäläinen , Sebastiaan van Dijken

We study a system of Dirac electrons with finite density of charge carriers coupled to an external electromagnetic field in two spatial dimensions, with a domain wall (DW) mass term. The interface between a thin-film ferromagnet and a…

Mesoscale and Nanoscale Physics · Physics 2015-08-19 Yago Ferreiros , F. J. Buijnsters , M. I. Katsnelson

We study the magnetic domain wall structure in magnetic bilayers (two ultrathin ferromagnetic layers separated by a non magnetic spacer) with perpendicular magnetization. Combining magnetic force and ballistic electron emission…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Amandine Bellec , Stanislas Rohart , Michel Labrune , Jacques Miltat , André Thiaville

The magnetic textures of Weyl semimetals are embedded into their topological structure and interact dynamically with it. Here, we examine electric field-induced structural phase transitions in domain walls mediated by the spin transfer…

Materials Science · Physics 2023-07-20 Shiva Heidari , Reza Asgari , Dimitrie Culcer

The calculation of magnetic anisotropy constants is performed beyond the point charge model for a continuous charge density distribution of screening conduction electrons. An important role of the non-uniform electron density, in…

Condensed Matter · Physics 2009-10-31 V. Yu. Irkhin , Yu. P. Irkhin
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