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Due to the difficulty in detecting and manipulating magnetic states of antiferromagnetic materials, studying their switching dynamics using electrical methods remains a challenging task. In this work, by employing heavy metal/rare…

Materials Science · Physics 2020-01-03 Saima A Siddiqui , Jiahao Han , Joseph T Finley , Caroline A Ross , Luqiao Liu

Current driven domain wall motion in curved Heavy Metal/Ferrimagnetic/Oxide multilayer strips is investigated using systematic micromagnetic simulations which account for spin-orbit coupling phenomena. Domain wall velocity and…

Materials Science · Physics 2024-01-25 David Osuna Ruiz , Óscar Alejos , Víctor Raposo , Eduardo Martínez

We demonstrate all-optical manipulation of magnetic domains in NiO/Pt and CoO/Pt thin films with insulating antiferromagnetic layers. Using magneto-optical birefringence imaging, we show that even a single laser pulse can thermally…

Mesoscale and Nanoscale Physics · Physics 2026-04-08 Maciej Dąbrowski , Tong Wu , Connor R. J. Sait , Jia Xu , Paul S. Keatley , Yizheng Wu , Robert J. Hicken , Olena Gomonay

Domain walls in antiferromagnets under a spin-polarized current present dynamical behavior that is not observed in ferromagnets, and it is tunable by the current polarization. Precessional dynamics is obtained for perpendicular spin…

Materials Science · Physics 2026-02-02 George Theodorou , Stavros Komineas

Ferroelectric domain walls represent multifunctional 2D-elements with great potential for novel device paradigms at the nanoscale. Improper ferroelectrics display particularly promising types of domain walls, which, due to their unique…

We study current-induced dynamics of a magnetic domain wall by solving a time-dependent Schr\"{o}dinger equation combined with Landau-Lifshitz-Gilbert equation in a one-dimensional electron system coupled to localized spins. Two types of…

Mesoscale and Nanoscale Physics · Physics 2009-03-10 Daisuke Matsubayashi , Masafumi Udagawa , Masao Ogata

Ferroelectric domain walls are a rich source of emergent electronic properties and unusual polar order. Recent studies showed that the configuration of ferroelectric walls can go well beyond the conventional Ising-type structure. N\'eel-,…

We explore a new type of domain wall structure in ultrathin films with perpendicular anisotropy, that is influenced by the Dzyaloshinskii-Moriya interaction due to the adjacent layers. This study is performed by numerical and analytical…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Andre Thiaville , Stanislas Rohart , Emilie Jue , Vincent Cros , Albert Fert

Flexible ferroelectrics possess significant potential for wearable electronics and bio-inspired devices, yet their electromechanical coupling mechanisms under dynamic bending remain elusive. This study employs phase-field simulations to…

Materials Science · Physics 2025-12-16 Changqing Guo , Letao Yang , Jing Wang , Houbing Huang

Magnetic nano-objects possess great potential for more efficient data processing, storage and neuromorphic type of applications. Using high perpendicular magnetic anisotropy synthetic antiferromagnets in the form of multilayer-based…

The perpendicular magnetic anisotropy K$_e$$_f$$_f$, magnetization reversal, and field-driven domain wall velocity in the creep regime are modified in Pt/Co(0.85-1.0 nm)/Pt thin films by strain applied via piezoelectric transducers.…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 P. M. Shepley , A. W. Rushforth , M. Wang , G. Burnell , T. A. Moore

The domain wall dynamics driven by an out of plane magnetic field was measured for a series of magnetic trilayers with different strengths of the interfacial Dzyaloshinskii-Moriya interaction (DMI). The features of the field-driven domain…

Mesoscale and Nanoscale Physics · Physics 2021-07-20 J. Pena Gracia , A. Fassatoui , J. Vogel , A. Thiaville , S. Pizzini

We perform real-space imaging of propagating magnetic domains in the fractional quantum Hall system using spin-sensitive photoluminescence microscopy. The propagation is continuous and proceeds in the direction of the conventional current,…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 John N. Moore , Junichiro Hayakawa , Takaaki Mano , Takeshi Noda , Go Yusa

Current-induced domain-wall motion with velocity spanning over five orders of magnitude up to 22 m/s has been observed by magneto-optical Kerr effect in (Ga,Mn)As with perpendicular magnetic anisotropy. The data are employed to verify…

Materials Science · Physics 2010-01-13 M. Yamanouchi , D. Chiba , F. Matsukura , T. Dietl , H. Ohno

A domain wall and spin supercurrent can coexist in magnets with easy-cone anisotropy owing to simultaneous spontaneous breaking of Z$_2$ and U(1) symmetries. Their interaction is theoretically investigated in quasi one-dimensional…

Mesoscale and Nanoscale Physics · Physics 2016-12-28 Se Kwon Kim , Yaroslav Tserkovnyak

We explore the impact of a magnetic field on the ferroelectric domain pattern in polycrystalline hexagonal ErMnO3 at cryogenic temperatures. Utilizing piezoelectric force microscopy measurements at 1.65 K, we observe modifications of the…

Materials Science · Physics 2024-03-21 J. Schultheiß , L. Puntigam , M. Winkler , S. Krohns , D. Meier , H. Das , D. M. Evans , I. Kézsmárki

We simulate automotion, the spontaneous transport of a magnetic domain wall under the influence of demagnetization and magnetic anisotropy, in nanoscale spintronic interconnects. In contrast to spin transfer driven magnetic domain wall…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Dmitri E. Nikonov , Sasikanth Manipatruni , Ian A. Young

We consider an antiferromagnet in one space dimension with easy-axis anisotropy in a perpendicular magnetic field. We study propagating domain wall solutions that can have a velocity up to a maximum $v_c$. The width of the domain wall is a…

Mesoscale and Nanoscale Physics · Physics 2025-03-18 George Theodorou , Stavros Komineas

BaTiO$_3$ (BTO) is a prototypical perovskite ferroelectric, whose dielectric permittivity and loss spectra -- which are strongly temperature and frequency dependent -- include contributions from inhomogeneous polarization patterns, with…

Materials Science · Physics 2024-07-31 Ashok Gurung , Mohammad Fatin Ishtiyaq , S. Pamir Alpay , John Mangeri , Serge Nakhmanson

We experimentally investigate the current-induced magnetization reversal in Pt/[Co/Ni]$_3$/Al multilayers combining the anomalous Hall effect and magneto-optical Kerr effect techniques in crossbar geometry. The magnetization reversal occurs…