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

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Atomically sharp domain walls (DWs) in ferroelectrics are considered as an ideal platform to realize easy-to-reconfigure nanoelectronic building blocks, created, manipulated and erased by external fields. However, conductive DWs have been…

We report the magnetic diffraction pattern and spin wave excitations in (CD$_3$)$_2$ND$_2$[Mn(DCO$_2$)$_3$] measured using elastic and inelastic neutron scattering. The magnetic structure is shown to be a G-type antiferromagnet with moments…

Strongly Correlated Electrons · Physics 2017-10-02 H. C. Walker , H. D. Duncan , M. D. Le , D. A. Keen , D. J. Voneshen , A. E. Phillips

Domain-wall dynamics and spatial fluctuations are closely related to each other and to universal features of disordered systems. Experimentally measured roughness exponents characterizing spatial fluctuations have been reported for magnetic…

Disordered Systems and Neural Networks · Physics 2021-07-09 Lucas J. Albornoz , Pamela C. Guruciaga , Vincent Jeudy , Javier Curiale , Sebastian Bustingorry

Current-induced dynamics of twisted domain walls and skyrmions in ferromagnetic perpendicularly magnetized multilayers is studied through three-dimensional micromagnetic simulations and analytical modeling. It is shown that such systems…

Materials Science · Physics 2019-10-17 Ivan Lemesh , Geoffrey S. D. Beach

The properties of surface Dirac Fermions on a 3D topological insulator in proximity to a magnetic insulator with spatially textured magnetization are considered. We present an exact analytical treatment of the spectrum, the bound states and…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 Christian Wickles , Wolfgang Belzig

We show that the drift-diffusion mechanism in a normal-metal layer in combination with the resonance electron-magnon interactions at ferromagnet-normal interface of F-N-F heterostucture creates spatial instability modes and, out of these…

Adaptation and Self-Organizing Systems · Physics 2009-11-11 Pavel Levin

One fundamental obstacle to efficient ferromagnetic spintronics is magnetic precession, which intrinsically limits the dynamics of magnetic textures, We demonstrate that the domain wall precession fully vanishes with a record mobility when…

Materials Science · Physics 2020-10-02 E. Haltz , J. Sampaio , S. Krishnia , L. Berges , R. Weil , A. Mougin

Non-uniform magnetic structures produce emergent electromagnetic phenomena such as the topological Hall effect and the spin-motive force (SMF). The experimental reports on the SMF, however, are very few and the relationship between the SMF…

Materials Science · Physics 2020-03-13 Shun Fukuda , Hiroyuki Awano , Kenji Tanabe

We report first principle numerical study of domain wall (DW) depinning in two-dimensional magnetic film, which is modeled by 2D random-field Ising system with the dipole-dipole interaction. We observe nonconventional activation-type motion…

Statistical Mechanics · Physics 2015-01-20 Bin Xi , Meng-Bo Luo , Valerii M. Vinokur , Xiao Hu

We investigate ferrimagnetic domain wall dynamics induced by circularly polarized spin waves theoretically and numerically. We find that the direction of domain wall motion depends on both the circular polarization of spin waves and the…

Materials Science · Physics 2019-11-06 Se-Hyeok Oh , Se Kwon Kim , Jiang Xiao , Kyung-Jin Lee

Recent interests towards novel functionalities arising at domain walls of ferroic materials naturally call for a microscopic understanding. To this end, first-principles calculations have been performed in order to provide solid evidence of…

Materials Science · Physics 2014-04-09 Paolo Barone , Domenico Di Sante , Silvia Picozzi

We theoretically study the antiferromagnetic domain wall motion actuated by an inhomogeneous external magnetic field. The Lagrangian and the equations of motion of antiferromagnetic spins under an inhomogeneous magnetic field are derived,…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Jotaro J. Nakane , Hiroshi Kohno

Based on a quantum dissipation theory of open systems, we present a theoretical study of slow dynamics of magnetization for the ordered state of the new molecule-based magnetic complex [Mn(hfac)_{2}BNO_{H}] composed from…

Materials Science · Physics 2009-11-11 A. S. Ovchinnikov , I. G. Bostrem , V. E. Sinitsyn , A. S. Boyarchenkov , N. V. Baranov , K. Inoue

We report on the evolution of ferromagnetic domain walls during magnetization reversal in elastically coupled ferromagnetic-ferroelectric heterostructures. Using optical polarization microscopy and micromagnetic simulations, we demonstrate…

Materials Science · Physics 2012-10-25 Kévin J. A. Franke , Tuomas H. E. Lahtinen , Sebastiaan van Dijken

Magnetic domain walls in antiferromagnets have been proposed as key components for faster conventional information processing, thanks to their enhanced stability and ultrafast propagation. However, how non-conventional computing methods…

We investigate diffusive transport through a number of domain wall (DW) profiles of the important magnetic alloy Permalloy taking into account simultaneously noncollinearity, alloy disorder, and spin-orbit coupling fully quantum…

Materials Science · Physics 2013-01-01 Zhe Yuan , Yi Liu , Anton A. Starikov , Paul J. Kelly , Arne Brataas

Perovskite manganites with small A-site ions, as the first and canonical branch of type-II multiferroics, are ideal systems to exhibit magnetism-induced ferroelectricity. Despite their established magnetoelectric phase diagrams under low…

Materials Science · Physics 2026-01-15 Ming Yang , Jun Chen , Junfeng Wang , Chao Dong , Chengliang Lu , Gang Xu , Jinguang Cheng , Jianshi Zhou , Shuai Dong

The coupling between ferroelectric and magnetic orders in multiferroic materials and the nature of magnetoelectric (ME) effects are enduring experimental challenges. In this work, we have studied the response of magnetization to…

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

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