中文
相关论文

相关论文: Novel interpretation of recent experiments on the …

200 篇论文

We theoretically study the antiferromagnetic domain wall motion actuated by an inhomogeneous external magnetic field. The Lagrangian and the equations of motion of antiferromagnetic spins under an inhomogeneous magnetic field are derived,…

介观与纳米尺度物理 · 物理学 2021-02-03 Jotaro J. Nakane , Hiroshi Kohno

Domain walls in ferromagnetic nanowires are potential building-blocks of future technologies such as racetrack memories, in which data encoded in the domain walls are transported using spin-polarised currents. However, the development of…

It has recently been shown that domain walls in ferromagnets can be moved in the presence of thermal gradients. In this work we study the motion of narrow domain walls in low-dimensional systems when subjected to thermal gradients. The…

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,…

介观与纳米尺度物理 · 物理学 2016-12-21 John N. Moore , Junichiro Hayakawa , Takaaki Mano , Takeshi Noda , Go Yusa

Magnetic friction is a form of non-contact friction arising from the dissipation of energy in a magnet due to spin reorientation in a magnetic field. In this paper we study magnetic friction in the context of micromagnetics, using our…

介观与纳米尺度物理 · 物理学 2019-09-04 Ilari Rissanen , Lasse Laurson

We employ the Landau-Lifshitz-Bloch (LLB) equation to investigate current-induced domain wall motion at finite temperatures by numerical micromagnetic simulations. We extend the LLB equation with spin torque terms that account for the…

介观与纳米尺度物理 · 物理学 2009-09-29 C. Schieback , D. Hinzke , M. Klaui , U. Nowak , P. Nielaba

We develop a systematic asymptotic description for domain wall motion in one-dimensional magnetic nanowires under the influence of small applied magnetic fields and currents and small material anisotropy. The magnetization dynamics, as…

材料科学 · 物理学 2013-10-17 Arseni Goussev , Ross G. Lund , JM Robbins , Valeriy Slastikov , Charles Sonnenberg

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…

介观与纳米尺度物理 · 物理学 2016-12-07 Se Kwon Kim , Daniel Hill , Yaroslav Tserkovnyak

We study superfluidlike spin transport facilitated by thermal diffusion of magnetic domain walls, where the positive and negative chiralities of domain walls act as opposite topological charges. The topological charge conservation leads to…

介观与纳米尺度物理 · 物理学 2024-07-16 Alexey A. Kovalev , Bo Li , Edward Schwartz

We present theoretical description of conduction electrons interacting with a domain wall in ferromagnetic metals. The description takes into account interaction between electrons. Within the semiclassical approximation we calculate the…

材料科学 · 物理学 2009-11-07 V. K. Dugaev , J. Barnas , A. Lusakowski , L. A. Turski

Interfacial ferroelectricity offers a promising platform for ultrafast, low-power memory devices. While previous studies have demonstrated the importance of domain wall in polarization switching, the coexistence of various domain wall types…

材料科学 · 物理学 2025-12-24 Hao-Wen Xu , Wen-Cheng Fan , Jun-Ding Zheng , Cheng-Shi Yao , Ni Zhong , Wen-Yi Tong , Chun-Gang Duan

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…

强关联电子 · 物理学 2024-02-19 Francesco Foggetti , Margherita Parodi , Naoto Nagaosa , Sergey Artyukhin

The influence of the curvature on the dynamical properties of transversal domain walls in a thin antiferromagnetic wire is studied theoretically. Equations of motion for antiferromagnetic domain wall are obtained within the collective…

强关联电子 · 物理学 2022-02-16 Kostiantyn V. Yershov

In this work, we study the antiferromagnetic (AFM) spin dynamics in heterostructures which consist of two kinds of AFM layers. Our micromagnetic simulations demonstrate that the AFM domain-wall (DW) can be driven by the other one (driven by…

应用物理 · 物理学 2018-09-12 Y. L. Zhang , Z. Y. Chen , Z. R. Yan , D. Y. Chen , Z. Fan , M. H. Qin

Spin transport equations in a non-homogeneous ferromagnet are derived in the limit where the sd exchange coupling between the electrons in the conduction band and those in the d band is dominant. It is shown that spin diffusion in…

介观与纳米尺度物理 · 物理学 2009-11-13 M. Benakli , J. Hohlfeld , A. Rebei

The ultrafast magnetic dynamics in compensated ferrimagnets not only provides information similar to antiferromagnetic dynamics, but more importantly opens new opportunities for future spintronic devices [Kim et al., Nat. Mater. 16, 1187…

应用物理 · 物理学 2020-01-22 W. H. Li , Z. Jin , D. L. Wen , X. M. Zhang , M. H. Qin , J. M. Liu

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.…

介观与纳米尺度物理 · 物理学 2018-02-15 S. Ali Nasseri , Simone Moretti , Eduardo Martinez , Claudio Serpico , Gianfranco Durin

Of the new types of cryoelectronic devices under development, including phase shifters, giant magnetoresistance switches, diodes, transistors, and memory cells, some are based on hybrid superconductor-normal metal or…

介观与纳米尺度物理 · 物理学 2015-12-07 L. S. Uspenskaya , S. V. Egorov

When subjected to electro-mechanical loading, ferroelectrics see their polarization evolve through the nucleation and evolution of domains. Existing mesoscale phase-field models for ferroelectrics are typically based on a gradient-descent…

材料科学 · 物理学 2023-05-10 Laurent Guin , Dennis Kochmann

We study the effect of a domain wall on the electronic transport in ferromagnetic quantum wires. Due to the transverse confinement, conduction channels arise. In the presence of a domain wall, spin up and spin down electrons in these…

介观与纳米尺度物理 · 物理学 2009-11-10 Victor A. Gopar , Dietmar Weinmann , Rodolfo A. Jalabert , Robert L. Stamps