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Related papers: Current-induced interactions of multiple domain wa…

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We study current induced magnetization dynamics in a long thin ferromagnetic wire with Dzyaloshinskii-Moriya interaction (DMI). We find a spiral domain wall configuration of the magnetization and obtain an analytical expression for the…

Materials Science · Physics 2010-10-06 Oleg A. Tretiakov , Ar. Abanov

Research on current-induced domain wall (DW) motion in heavy metal/ferromagnet structures is crucial for advancing memory, logic, and computing devices. Here, we demonstrate that adjusting the angle between the DW conduit and the current…

Mesoscale and Nanoscale Physics · Physics 2025-03-21 Elena M. Stetco , Traian Petrisor , Ovidiu A. Pop , Mohamed Belmeguenai , Ioan M. Miron , Mihai S. Gabor

Understanding the domain wall dynamics is an important issue in modern magnetism. Here we present results of domain wall displacement in curved cylindrical nanowires at a constant magnetic field. We show that the average velocity of a…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 R. Moreno , V. L. Carvalho-Santos , A. P. Espejo , D. Laroze , O. Chubykalo-Fesenko , D. Altbir

We report the direct observation of the current-driven domain wall (DW) motion by magnetic force microscopy in a structured Co/Ni wire with perpendicular magnetic anisotropy. The wire has notches to define the DW position. It is…

The spin wave transportation through a transverse magnetic domain wall (DW) in a magnetic nanowire is studied. It is found that spin wave passes through a DW without reflection. A magnon, the quantum of the spin wave, carries opposite spins…

Mesoscale and Nanoscale Physics · Physics 2011-10-24 P. Yan , X. S. Wang , X. R. Wang

We demonstrate numerically the ability to displace a magnetic domain wall by a remote spin current injection. We consider a long and narrow magnetic nanostripe with a single domain wall (DW). The spin-polarized current is injected…

The precise manipulation of transverse magnetic domain walls in finite/infinite nanowires with artificial defects under the influence of very short spin-polarized current pulses is investigated. We show that for a classical $3d$ ferromagnet…

Mesoscale and Nanoscale Physics · Physics 2018-01-09 A. Pivano , V. O. Dolocan

The manipulation of geometrically constrained magnetic domain walls (DWs) in nanoscale magnetic strips has attracted much interest recently, with proposals for prospective memory and logic devices. Here we propose to use the high…

Materials Science · Physics 2011-03-28 P. Vavassori , M. Gobbi , M. Donolato , V. Metlushko , B. Ilic , M. Cantoni , D. Petti , S. Brivio , R. Bertacco

This work is focused on determining the electrical resistance, which induced by single domain wall in magnetic nanowire with a negligible defect. The provided model covers a wide range of nanowire's diameters. The obtained result…

Other Condensed Matter · Physics 2022-03-15 Artur Useinov

We found by micromagnetic simulations that the motion of a transverse wall (TW) type domain wall in magnetic thin-film nanostripes can be manipulated via interaction with spin waves (SWs) propagating through the TW. The velocity of the TW…

This review describes in detail the essential techniques used in microscopic theories on spintronics. We have investigated the domain wall dynamics induced by electric current based on the $s$-$d$ exchange model. The domain wall is treated…

Mesoscale and Nanoscale Physics · Physics 2008-11-07 Gen Tatara , Hiroshi Kohno , Junya Shibata

We investigate current-driven domain wall (DW) propagation in magnetic nanowires in the framework of the modified Landau-Lifshitz-Gilbert equation with both adiabatic and nonadiabatic spin torque (NAST) terms. Contrary to the common opinion…

Materials Science · Physics 2015-05-18 Z. Z. Sun , J. Schliemann , P. Yan , X. R. Wang

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

The spin-transfer torque motion of magnetic domain walls (DWs) in a CoB/Ni-based nanowire driven by a low current density of (1.12\pm0.8)\times10^{11} A m^{-2} has been observed indirectly by magnetotransport measurements. A high DW…

Materials Science · Physics 2012-08-29 Duc-The Ngo , Norihito Watanabe , Hiroyuki Awano

The transmission of correlated electrons through a domain wall in ferromagnetic quasi-one-dimensional systems is studied theoretically in the case when the domain wall width is comparable with the Fermi wavelength of the charge carriers.…

Strongly Correlated Electrons · Physics 2007-05-23 M. A. N. Araujo , V. K. Dugaev , V. R. Vieira , J. Berakdar , J. Barnas

Current-driven domain wall (DW) motion is investigated in Pt/Co/GdOx nanostrips with perpendicular magnetic anisotropy. Measurements of the propagation field and the energy barrier for thermally activated DW motion reveal a large…

Materials Science · Physics 2012-07-27 Satoru Emori , David C. Bono , Geoffrey S. D. Beach

Spin waves (SW) can induce rich domain wall (DW) motion in a perpendicular-magnetic anisotropy nanostrip. In-plane magnetization tilt angle resulting from the fluctuation of the effective field of the magnetization response in the DW region…

Strongly Correlated Electrons · Physics 2017-07-07 Liang-Juan Chang , Yen-Fu Liu , Ming-Yi Kao , Li-Zai Tsai , Jun-Zhi Liang , Shang-Fan Lee

The propagation of a magnetic domain wall (DW) in a submicron magnetic wire consisting of a magnetic/nonmagnetic/magnetic trilayered structure with asymmetric notches was investigated by utilizing the giant magnetoresistance effect. The…

Materials Science · Physics 2009-11-10 A. Himeno , T. Okuno , S. Kasai , T. Ono , S. Nasu , K. Mibu , T. Shinjo

Charge-density waves (CDWs) are correlated states of matter, where the electronic density is modulated periodically as a consequence of electronic and phononic interactions. Often, CDW phases coexist with other correlated states, such as…

Mesoscale and Nanoscale Physics · Physics 2025-01-24 Lisa M. Rütten , Eva Liebhaber , Kai Rossnagel , Katharina J. Franke

The effective spin pressure induced by an electric current on a domain wall in a ferromagnet is determined using a simple classical model, which allows us to extend previous theories to arbitrary domain wall widths. In particular, the role…

Materials Science · Physics 2015-06-25 A. Vanhaverbeke , M. Viret