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Related papers: Negative Domain Wall Resistance in Ferromagnets

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The analysis of domain wall dynamics is often simplified to one dimensional physics. For domain walls in thin films, more realistic approaches require the description as two dimensional objects. This includes the study of vortices and…

Mesoscale and Nanoscale Physics · Physics 2018-04-25 Davi R. Rodrigues , Ar. Abanov , J. Sinova , K. Everschor-Sitte

We study shot noise of the spin-polarized current in a diffusive ferromagnetic nanowire which contains a ballistic domain wall. We find that the existence of a short domain wall influences strongly the shot noise for sufficiently high…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Babak Abdollahipour , Malek Zareyan , Nazila Asaadi

A two-dimensional electron system in the presence of a magnetic field and microwave irradiation can undergo a phase transition towards a zero-resistance state. A widely used model predicts the zero-resistance state to be a domain state,…

Mesoscale and Nanoscale Physics · Physics 2017-08-25 Maxim Breitkreiz

Control of magnetic domain wall motion by electric fields has recently attracted scientific attention because of its potential for magnetic logic and memory devices. Here, we report on a new driving mechanism that allows for magnetic domain…

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

We have measured the contribution of magnetic domain walls (DWs) to the electric resistance in epitaxial manganite films patterned by electron-beam lithography into a track containing a set of notches. We find a DW resistance-area (RA)…

Strongly Correlated Electrons · Physics 2015-06-25 T. Arnal , A. V. Khvalokvskii , M. Bibes , Ph. Lecoeur , A. -M. Haghiri-Gosnet , B. Mercey

Magnetic-domain structure and dynamics play an important role in understanding and controlling the magnetic properties of two-dimensional magnets, which are of interest to both fundamental studies and applications[1-5]. However, the probe…

It is pointed out that, contrary to some claims in the literature, the domain walls cannot be a source of a correlated at large scales primordial magnetic field, even if the fermionic modes bound on the wall had ferromagnetic properties. In…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. B. Voloshin

For antiferromagnetically coupled Fe/Cr multilayers the low field contribution to the resistivity, which is caused by the domain walls, is strongly enhanced at low temperatures. The low temperature resistivity varies according to a power…

Materials Science · Physics 2009-11-10 F. G. Aliev , R. Schad , A. Volodin , K. Temst , C. Van Haesendonck , Y. Bruynseraede , I. Vavra , V. K. Dugaev , R. Villar

${\rm SrRuO_3}$ is a 4d itinerant ferromagnet (T$_{c}$ $\sim $150 K) with stripe domain structure. Using high-quality thin films of SrRuO$_{3}$ we study the resistivity induced by its very narrow ($\sim 3$ nm) Bloch domain walls,…

Strongly Correlated Electrons · Physics 2009-11-10 Michael Feigenson , Lior Klein , James W. Reiner , Malcolm R. Beasley

The dynamics of a multiferroic domain wall in which an electric field can couple to the magnetization via inhomogeneous magnetoelectric interaction is investigated by the collective-coordinate framework. We show how the electric field is…

Materials Science · Physics 2014-04-08 Hong-Bo Chen , Ye-Hua Liu , You-Quan Li

Domain wall dynamics in a magnetoelectric antiferromagnet is analyzed, and its implications for magnetoelectric memory applications are discussed. Cr$_2$O$_3$ is used in the estimates of the materials parameters. It is found that the domain…

Materials Science · Physics 2016-04-05 K. D. Belashchenko , O. Tchernyshyov , Alexey A. Kovalev , O. A. Tretiakov

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

The dynamics of a magnetic domain wall in a semi circular nanowire loop is studied by an analytical model and micromagnetic simulations. We find a damped sinusoidal oscillation of the domain wall for small displacement angles around its…

Materials Science · Physics 2011-03-25 Mahdi Jamali , Kyung-Jin Lee , Hyunsoo Yang

The recent experimental demonstration of spin-polarized supercurrents offer a venue for establishment of a superconducting analogue to conventional spintronics. Whereas domain wall motion in purely magnetic structures is a well-studied…

Superconductivity · Physics 2015-06-18 Jacob Linder , Klaus Halterman

We theoretically study the motion of a magnetic domain wall induced by transverse elastic waves in a one-dimensional magnetic wire, which respects both rotational and translational symmetries. By invoking the conservation of the associated…

Mesoscale and Nanoscale Physics · Physics 2016-12-07 Se Kwon Kim , Daniel Hill , Yaroslav Tserkovnyak

We study transport in the presence of magnetic domain walls (DWs) in a lattice model of ferromagnetic type-I Weyl metals. We compute the diagonal and Hall conductivities in the presence of a DW, using both Kubo and Landauer formalisms, and…

Mesoscale and Nanoscale Physics · Physics 2021-03-19 Sopheak Sorn , Arun Paramekanti

The potential experienced by transverse domain walls (TDWs) in the vicinity of asymmetric constrictions or protrusions in thin Permalloy nanowires is probed using spatially resolved magneto-optical Kerr effect measurements. Both types of…

Materials Science · Physics 2008-11-07 Dorothee Petit , Ana-Vanessa Jausovec , Dan Read , Russell P. Cowburn

Existing data for soft magnetic materials of critical current for domain-wall motion, wall speed driven by a magnetic field, and wall electrical resistance, show that all three observable properties are related through a single parameter:…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 L. Berger

The motion of ferroelectric domain walls (DW) is critical for various technological applications of ferroelectric materials. One important question that is of interest both scientifically and technologically is whether the ferroelectric DW…

Materials Science · Physics 2015-06-16 Shi Liu , Ilya Grinberg , Andrew M. Rappe