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In this work, we have investigated the domain wall (DW) depinning behavior in the notched nanowire by a micromagnetic simulation. A transverse domain wall (TW) was initially positioned at the center of notch and 1 ns length current pulse…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Candra Kurniawan , Dede Djuhana

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

Since its proposal, the idea to vastly increase data storage density with a magnetic non-volatile 3D shift-register has sustained interest in current-induced domain wall (DW) motion. So far, experimental efforts have focused on flat…

Despite its tiny net magnetization, the antiferromagnetic (AFM) van der Waals material Co$_{1/3}$NbS$_2$ exhibits a large transverse Hall conductivity $\sigma_{xy}$ even at zero applied magnetic field, which arises, as recently shown, from…

Mesoscale and Nanoscale Physics · Physics 2025-11-12 E. Kirstein , H. Park , I. Martin , J. F. Mitchell , N. Ghimire , S. A. Crooker

The ability to rapidly manipulate domain walls (DWs) in magnetic materials is key to developing novel high-speed spintronic memory and computing devices. Antiferromagnetic (AFM) materials present a particularly promising platform due to…

Mesoscale and Nanoscale Physics · Physics 2025-11-12 Kyle L. Seyler , Hantao Zhang , Daniel Van Beveren , Costel R. Rotundu , Young S. Lee , Ran Cheng , David Hsieh

We demonstrate deterministic control of dipole-field-stabilized skyrmions by means of spin-orbit torques arising from heavy transition-metal seed layers. Experiments are performed on amorphous Fe/Gd multilayers that are patterned into wires…

Materials Science · Physics 2018-10-17 Sergio A. Montoya , Robert Tolley , Ian Gilbert , Soong-Geun Je , Mi-Young Im , Eric E. Fullerton

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

The spin-transfer torque is a fundamental physical quantity to operate the spintronics devices such as racetrack memory. We theoretically study the spin-transfer torque and analyze the dynamics of the magnetic domain walls in magnetic Weyl…

Mesoscale and Nanoscale Physics · Physics 2019-05-08 Daichi Kurebayashi , Kentaro Nomura

We have performed an experimental and modeling-based study of the spin-orbit torque-induced growth of magnetic stripe domains in heavy metal/ferromagnet thin-film heterostructures that possess chiral N\'eel-type domain walls due to an…

Mesoscale and Nanoscale Physics · Physics 2023-05-04 Jeffrey A. Brock , Daan Swinkels , Bert Koopmans , Eric E. Fullerton

The use of epitaxial layers for domain wall-based spintronic applications is often hampered by the presence of pinning sites. Here, we show that when depositing Mn4N(10 nm) epitaxial films, the replacement of MgO(001) by SrTiO3(001)…

We propose here a high-frequency spin-Hall nano-oscillator based on a simple magnetic texture, such as a domain wall, located in an antiferromagnet with easy-axis anisotropy type. We show that the spin current, polarized along the…

Mesoscale and Nanoscale Physics · Physics 2023-04-28 Roman V. Ovcharov , Elena G. Galkina , Boris A. Ivanov , Roman S. Khymyn

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 how to facilitate the injection of domain walls in chiral ferromagnetic nanowires by electrical means. We calculate the critical current density above which domain walls are injected into the nanowire depending on the…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Davi R. Rodrigues , Nils Sommer , Karin Everschor-Sitte

We report the dielectric dispersion of the giant magnetocapacitance (GMC) in multiferroic DyMnO$_{3}$ over a wide frequency range. The GMC is found to be attributable not to the softened electromagnon but to the electric-field-driven motion…

Strongly Correlated Electrons · Physics 2009-11-13 F. Kagawa , M. Mochizuki , Y. Onose , H. Murakawa , Y. Kaneko , N. Furukawa , Y. Tokura

We study theoretically the dynamics of composite domain walls (DW) in multiferroic material GdFeO${}_3$ driven by magnetic field $H$. Two antiferromagnetic orders of Fe and Gd spins interact Gd-ion displacement in this system with coupling…

Mesoscale and Nanoscale Physics · Physics 2020-12-29 Koji Kawahara , Hirokazu Tsunetsugu

We study theoretically hole current-driven domain wall dynamics in (Ga,Mn)As. We show that the spin-orbit coupling causes significant hole reflection at the domain wall, even in the adiabatic limit when the wall is much thicker than the…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Anh Kiet Nguyen , Hans Joakim Skadsem , Arne Brataas

Mn$_{3}$Sn is a non-collinear antiferromagnet which displays a large anomalous Hall effect at room temperature. It is believed that the principal contribution to its anomalous Hall conductivity comes from Berry curvature. Moreover, dc…

Strongly Correlated Electrons · Physics 2019-07-24 Bing Cheng , Youcheng Wang , D. Barbalas , Tomoya Higo , S. Nakatsuji , N. P. Armitage

A space-time dependent node separation in Weyl semimetals acts as an axial vector field. Coupled with domain wall motion in magnetic Weyl semimetals, this induces axial electric and magnetic fields localized at the domain wall. We show how…

Mesoscale and Nanoscale Physics · Physics 2020-12-07 Julia D. Hannukainen , Yago Ferreiros , Alberto Cortijo , Jens H. Bardarson

Cluster magnetic multipoles are order parameters that describe the symmetry of spin arrangements in magnetic materials. High-order multipoles are particularly important in non-collinear antiferromagnets, where they determine key physical…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Myoung-Woo Yoo , Axel Hoffmann

Charge density waves (CDWs) are a widespread collective electronic order in quantum materials, furnishing key insights into symmetry breaking and competing phases. However, their dynamic control with external fields remains a pivotal…

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