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Related papers: Current and field driven domain wall motion under …

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It is shown that the Dzialoshinskii-Moriya interaction leads to asymmetrical deformation of the transverse domain wall profile in one-dimensional biaxial magnet. Amplitude of the deformation is linear with respect to the Dzialoshinskii…

Strongly Correlated Electrons · Physics 2015-06-18 Volodymyr P. Kravchuk

We consider a thin ferromagnetic layer to which an external field or a current are applied along an in plane easy axis. The perpendicular hard axis anisotropy constant is large so that the out of plane magnetization component is smaller…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 E. A. Cardenas , M. C. Depassier

The current-driven domain wall motion along two exchange-coupled ferromagnetic layers with perpendicular anisotropy is studied by means of micromagnetic simulations and compared to the conventional case of a single ferromagnetic layer. Our…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 Oscar Alejos , Victor Raposo , Luis Sanchez-Tejerina , Riccardo Tomasello , Giovanni Finocchio , Eduardo Martinez

The domain wall dynamics driven by an out of plane magnetic field was measured for a series of magnetic trilayers with different strengths of the interfacial Dzyaloshinskii-Moriya interaction (DMI). The features of the field-driven domain…

Mesoscale and Nanoscale Physics · Physics 2021-07-20 J. Pena Gracia , A. Fassatoui , J. Vogel , A. Thiaville , S. Pizzini

Domain walls in antiferromagnets under a spin-polarized current present dynamical behavior that is not observed in ferromagnets, and it is tunable by the current polarization. Precessional dynamics is obtained for perpendicular spin…

Materials Science · Physics 2026-02-02 George Theodorou , Stavros Komineas

An analytical model for the domain wall structure in ultrathin films with perpendicular easy axis and interfacial Dzyaloshinskii-Moriya interaction, submitted to an arbitrary in-plane magnetic field, is presented. Its solution is simplified…

Mesoscale and Nanoscale Physics · Physics 2021-04-28 Pierre Géhanne , André Thiaville , Stanislas Rohart , Vincent Jeudy

We revisit the description of ferromagnetic domain wall dynamics through an extended one-dimensional model by allowing flexural distortions of the wall during its motion. This is taken into account by allowing the domain wall center and…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Rémy Soucaille , Felipe Garcia-Sanchez , Joo-Von Kim , Thibaut Devolder , Jean-Paul Adam

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

Domain wall motion along ferrimagnets is evaluated using micromagnetic simulations and a collective-coordinates model, both considering two sublattices with independent parameters. Analytical expressions are derived for strips on top of…

Applied Physics · Physics 2020-11-20 Eduardo Martínez , Víctor Raposo , Óscar Alejos

We present a general approach for studying the dynamics of domain walls in biaxial ferromagnetic stripes with functionally graded Dzyaloshinskii-Moriya interaction (DMI). By engineering the spatial profile of the DMI parameter we propose…

Strongly Correlated Electrons · Physics 2020-06-24 Kostiantyn V. Yershov , Volodymyr P. Kravchuk , Denis D. Sheka , Jeroen van den Brink , Avadh Saxena

A self-contained theory of the domain wall dynamics in ferromagnets under finite electric current is presented. The current is shown to have two effects; one is momentum transfer, which is proportional to the charge current and wall…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Gen Tatara , Hiroshi Kohno

The dynamics of current-induced motion of a magnetic domain wall in a quasi-one-dimensional ferromagnet with both easy-axis and easy-plane anisotropy, is studied. We pay a special attention to the case of a sharp domain wall, and calculate…

Materials Science · Physics 2009-11-11 V. K. Dugaev , V. R. Vieira , P. D. Sacramento , J. Barnas , M. A. N. Araujo , J. Berakdar

We study current-driven domain-wall (DW) dynamics in antiferromagnets (AFMs) with Dzyaloshinskii-Moriya interaction (DMI). We obtain an exact analytical solution for spiral DW dynamics, applicable to both head-to-head DWs under bulk DMI and…

Mesoscale and Nanoscale Physics · Physics 2026-04-09 Mu-Kun Lee , Rubén M. Otxoa , Masahito Mochizuki

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

We show that the Dzyaloshinskii-Moriya interaction (DMI) can lead to a tilting of the domain wall (DW) surface in perpendicularly magnetized magnetic nanotracks when DW dynamics is driven by an easy axis magnetic field or a spin polarized…

Materials Science · Physics 2015-06-16 O. Boulle , S. Rohart , L. D. Buda-Prejbeanu , E. Jué , I. M. Miron , S. Pizzini , J. Vogel , G. Gaudin , A. Thiaville

Using in-plane field dependence of the precessional flow of chiral domain walls (DWs) to simultaneously determine bulk and interfacial Dzyaloshinskii-Moriya interactions (DMIs) is proposed. It is found that effective fields of bulk and…

Mesoscale and Nanoscale Physics · Physics 2020-05-04 Jie Lu , Mei Li , X. R. Wang

In this work, dynamics of chiral domain walls in long and narrow magnetic heterostructures based on non-centrosymmetric chiral magnets with bulk Dzyaloshinskii-Moriya interactions (DMI) and perpendicular magnetic anisotropy is…

Mesoscale and Nanoscale Physics · Physics 2022-02-02 Mei Li , Bin Xi , Jie Lu , Yongjun Liu

We study domain wall (DW) motion induced by spin waves (magnons) in the presence of Dzyaloshinskii-Moriya interaction (DMI). The DMI exerts a torque on the DW when spin waves pass through the DW, and this torque represents a linear momentum…

Recent experimental studies of magnetic domain expansion under easy-axis drive fields in materials with a perpendicular magnetic anisotropy have shown that the domain wall velocity is asymmetric as a function of an external in plane…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 Dion M. F. Hartmann , Rembert A. Duine , Mariëlle J. Meijer , Henk J. M. Swagten , Reinoud Lavrijsen

We consider an antiferromagnet in one space dimension with easy-axis anisotropy in a perpendicular magnetic field. We study propagating domain wall solutions that can have a velocity up to a maximum $v_c$. The width of the domain wall is a…

Mesoscale and Nanoscale Physics · Physics 2025-03-18 George Theodorou , Stavros Komineas
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