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Domain walls (DWs), the two-dimensional boundaries between symmetry equivalent ferroic domains, are actively investigated due to their promise for novel logic and memory devices. Moreover, they can be easily created, erased and reshaped at…

Materials Science · Physics 2020-02-12 Peng Chen , Sergey Artyukhin

Optimizing ferroelectrics for contemporary high-frequency applications asks for the fundamental understanding of ferroelectric switching and domain wall (DW) motion in ultrafast field pulses while the microscopic understanding of the latter…

Materials Science · Physics 2022-04-21 Ruben Khachaturyan , Aris Dimou , Anna Grünebohm

Dynamical properties of the square-lattice Heisenberg antiferromagnet in applied magnetic field are studied for arbitrary value S of the spin. Above the threshold field for two-particle decays, the standard spin-wave theory yields singular…

Strongly Correlated Electrons · Physics 2010-10-04 M. Mourigal , M. E. Zhitomirsky , A. L. Chernyshev

We represent the results of micromagnetic modeling and experimental magnetic force microscopy investigations of domain wall (DW) pinning-depinning effects in the hybrid systems consisting of ferromagnetic nanowire (NW) and two ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2011-12-21 V. L. Mironov , O. L. Ermolaeva , E. V. Skorohodov , A. Yu. Klimov

We investigate magnetic domain wall (MDW) dynamics induced by applied electric fields in ferromagnetic-ferroelectric thin-film heterostructures. In contrast to conventional driving mechanisms where MDW motion is induced directly by magnetic…

Materials Science · Physics 2014-01-17 Ben Van de Wiele , Lasse Laurson , Kévin Franke , Sebastiaan van Dijken

We experimentally study the structure and dynamics of magnetic domains in synthetic antiferromagnets based on Co/Ru/Co films. Dramatic effects arise from the interaction among the topological defects comprising the dual domain walls in…

Mesoscale and Nanoscale Physics · Physics 2018-10-30 A. G. Kolesnikov , V. S. Plotnikov , E. V. Pustovalov , A. S. Samardak , L. A. Chebotkevich , A. V. Ognev , Oleg A. Tretiakov

An analytical model was developped to describe the current induced DW dynamics of a Bloch DW in the presence of an external transverse magnetic field. The model takes into account the DW deformation and the magnetization tilting in the…

Materials Science · Physics 2015-06-05 O. Boulle , L. D. Buda-Prejbeanu , M. Miron , G. Gaudin

Ultrafast optical control of magnetic textures offers new opportunities for energy-efficient, high-speed spintronic devices. While uniform magnetization reversal via all-optical switching is well established, the formation dynamics of…

Applied Physics · Physics 2025-07-29 Yuzhu Fan , Gaolong Cao , Junlin Wang , Sheng Jiang , Jing Wu , Johan Åkerman , Jonas Weissenrieder

We investigate a magnetic domain-wall (DW) motion in two dynamic regimes, creep and flow regimes, near the angular momentum compensation temperature (T_A) of ferrimagnet. In the flow regime, the DW speed shows sharp increase at T_A due to…

Recent studies on heterostructures of ultrathin ferromagnets sandwiched between a heavy metal layer and an oxide have highlighted the importance of spin-orbit coupling (SOC) and broken inversion symmetry in domain wall (DW) motion.…

Mesoscale and Nanoscale Physics · Physics 2018-02-15 S. Ali Nasseri , Simone Moretti , Eduardo Martinez , Claudio Serpico , Gianfranco Durin

The spin-transfer-torque-driven (STT-driven) dynamics of a domain wall in an easy-axis rare-earth transition-metal ferrimagnet is investigated theoretically and numerically in the vicinity of the angular momentum compensation point $T_A$,…

Mesoscale and Nanoscale Physics · Physics 2020-08-26 Dong-Hyun Kim , Duck-Ho Kim , Kab-Jin Kim , Kyoung-Woong Moon , Seungmo Yang , Kyung-Jin Lee , Se Kwon Kim

We study the magnetic dynamics of magnetoelectric antiferromagnetic thin films, where an unconventional boundary ferromagnetism coexists with the bulk N\'{e}el phase below the N\'{e}el temperature. The spin exchange between the two order…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 Ricardo Zarzuela , Se Kwon Kim , Yaroslav Tserkovnyak

We investigate analytically and numerically the dynamics of domain walls in a spin chain with ferromagnetic Ising interaction and subject to an external magnetic field perpendicular to the easy magnetization axis (transverse field Ising…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. A. Ivanov , H. -J. Mikeska

Antiferromagnetic spintronics is an emerging research field which aims to utilize antiferromagnets as core elements in spintronic devices. A central motivation toward this direction is that antiferromagnetic spin dynamics is expected to be…

Magnetic domain walls (DWs) are topological defects that exhibit robust low-energy modes that can be harnessed for classical and neuromorphic computing. However, the quantum nature of these modes has been elusive thus far. Using the…

Mesoscale and Nanoscale Physics · Physics 2024-01-09 Mircea Trif , Yaroslav Tserkovnyak

A multiple-time scaling analysis of the dissipative, transversely driven Landau-Lifshitz equation in presence of exchange, shape demagnetisation and week anisotropy fields is performed for a dynamic domain state. Stationary solutions of the…

patt-sol · Physics 2008-02-03 Timm Plefka

We examine the combined effects of interlayer exchange coupling (IEC) and the interfacial Dzyaloshinskii-Moriya Interaction (DMI) on the structure of magnetic domain walls in fully compensated synthetic anti-ferromagnets (SAFs). Ir-based…

Materials Science · Physics 2019-10-28 Nisrit Pandey , Maxwell Li , Marc De Graef , Vincent Sokalski

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…

Spin wave and magnetic domain wall are two of basic excitations in magnetic systems, and their spatiotemporal interplay encodes rich information of underlying magnetic interactions. In synthetic antiferromagnets, the domain wall acquires an…

Mesoscale and Nanoscale Physics · Physics 2025-09-03 Jin Lan , Yang Zhang

The recent observation of current-induced domain wall (DW) motion with large velocity in ultrathin magnetic wires has opened new opportunities for spintronic devices. However, there is still no consensus on the underlying mechanisms of DW…