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Related papers: Dynamics of Multiferroic Domain Wall in Spin-Cyclo…

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Efficient electrical manipulation of domain walls is key to developing magnetic devices with fast switching capabilities and low energy consumption. Here we demonstrate Bloch-type domain wall velocities exceeding 1 km s$^{-1}$ in the…

We report on reversible electric-field-driven magnetic domain wall motion in a Cu/Ni multilayer on a ferroelectric BaTiO$_3$ substrate. In our heterostructure, strain-coupling to ferroelastic domains with in-plane and perpendicular…

Domain-wall magnetoresistance and low-frequency noise have been studied in epitaxial antiferromagnetically-coupled [Fe/Cr(001)]_10 multilayers and ferromagnetic Co line structures as a function of DC current intensity. In [Fe/Cr(001)]_10…

Materials Science · Physics 2008-07-17 D. Herranz , R. Guerrero , R. Villar , F. G. Aliev , A. C. Swaving , R. A. Duine , C. van Haesendonck , I. Vavra

We study the effect of the domain wall on electronic transport properties in wire of ferromagnetic 3$d$ transition metals based on the linear response theory. We considered the exchange interaction between the conduction electron and the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Gen Tatara

The influence of temperature on the magnetic-field-driven domain wall (DW) motion is investigated in GdFeCo ferrimagnets with perpendicular magnetic anisotropy (PMA). We find that the depinning field strongly depends on temperature.…

Domain walls (DWs) in perpendicularly magnetized nanotracks (PMNTs) with interfacial Dzyaloshinskii-Moriya interaction (DMI) have become the primary objects of theoretical and experimental interest due to their technological suitability in…

Computational Physics · Physics 2018-11-22 Yue Zhang , Mao-Kang Shen , Zai-Dong Li , Xiao-Fei Yang , Long You

Two dimensional multiferroics inherit prominent physical properties from both low dimensional materials and magnetoelectric materials, and can go beyond their three dimensional counterparts for their unique structures. Here, based on…

Materials Science · Physics 2021-09-29 Mingyu Zhao , Jun Chen , Shan-Shan Wang , Ming An , Shuai Dong

We theoretically study a ferrimagnetic domain-wall motion driven by a rotating magnetic field. We find that, depending on the magnitude and the frequency of the rotating field, the dynamics of a ferrimagnetic domain wall can be classified…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 Munsu Jin , Ik-Sun Hong , Duck-Ho Kim , Kyung-Jin Lee , Se Kwon Kim

In spiral multiferroics, magnetism induces ferroelectricity, thus holding a promise for novel memory devices where an electric field switches magnetic bits. However, such a switching process, in which magnetic domain walls are moved…

Strongly Correlated Electrons · Physics 2025-06-03 Luca Maranzana , Naoto Nagaosa , Sergey Artyukhin

We calculate the exact analytical solution to the domain wall properties in a multiferroic system with two order parameters that are coupled bi-quadratically. This is then adapted to the case of a magnetoelectric multiferroic material such…

Materials Science · Physics 2013-05-29 Maren Daraktchiev , Gustau Catalan , James F. Scott

Sliding ferroelectrics constructed from stacked nonpolar monolayers enable out-of-plane polarization in two dimensions with exceptional properties, including ultrafast switching speeds and fatigue-free behavior. However, the widely accepted…

Materials Science · Physics 2025-02-04 Changming Ke , Fucai Liu , Shi Liu

Starting from a simple microscopic model, we have derived a kinetic equation for the matrix distribution function. We employed this equation to calculate the conductance $G$ in a mesoscopic F'/F/F' structure with a domain wall (DW). In the…

Materials Science · Physics 2009-11-07 F. S. Bergeret , A. F. Volkov , K. B. Efetov

Magnonic waveguide based on domain wall (DW) is considered as a crucial breakthrough toward the realization of magnonic nanocircuits. However, the effective control of spin waves propagating in DWs remains to be explored. Here, we construct…

Mesoscale and Nanoscale Physics · Physics 2026-01-07 Zhenyu Wang , Xingen Zheng , Zhixiong Li , Zhizhi Zhang , Xiansi Wang

Recent theoretical studies have demonstrated the possibility to excite and sustain noncollinear magnetization states in ferromagnetic nanowires. The resulting state is referred to as a spin-density wave (SDW). SDWs can be interpreted as…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 Patrick Sprenger , Mark A. Hoefer , Ezio Iacocca

In this work, we study the rotating magnetic field driven domain wall (DW) motion in antiferromagnetic nanowires, using the micromagnetic simulations of the classical Heisenberg spin model. We show that in low frequency region, the rotating…

Computational Physics · Physics 2020-01-22 W. H. Li , Z. Y. Chen , D. L. Wen , D. Y. Chen , Z. Fan , M. Zeng , X. B. Lu , X. S. Gao , M. H. Qin

Competing magnetic exchange interactions often result in non-collinear magnetic states, such as spin spirals, which break the inversion symmetry and induce ferroelectric polarization. The resulting strong interactions between magnetic and…

Strongly Correlated Electrons · Physics 2021-01-01 Francesco Foggetti , Sergey Artyukhin

The dynamics of the domain wall (DW) in a biaxial ferromagnet interacting with a spin-polarized current are described by sine-gordon (SG) equation coupled with Gilbert damping term in this paper. Within our frame-work of this model, we…

Mesoscale and Nanoscale Physics · Physics 2012-08-09 Xin Liu , Xiong-Jun Liu , Mo-Lin Ge

Ferroelectric domain walls (DWs) are nanoscale topological defects that can be easily tailored to create nanoscale devices. Their excitations, recently discovered to be responsible for DW GHz conductivity, hold promise for faster signal…

Materials Science · Physics 2019-07-31 Peng Chen , Louis Ponet , Keji Lai , Roberto Cingolani , Sergey Artyukhin

Switching in magnetic materials gives rise to rich physical phenomena and lies at the heart of their technological applications. Although domain wall motion in ferro- and antiferromagnets has been studied, in spiral magnets it is still…

Strongly Correlated Electrons · Physics 2024-02-19 Francesco Foggetti , Margherita Parodi , Naoto Nagaosa , Sergey Artyukhin

We study the role of diamagnetic effects on the transport properties of metallic magnetic multilayers to elucidate whether they can explain the Giant Magnetoresistance (GMR) effect observed in those systems. Realistic Fermi surface…

Materials Science · Physics 2007-05-23 W. Tavera , G. G. Cabrera