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相关论文: Spin Wave Eigenmodes of Dzyaloshinskii Domain Wall…

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In ferromagnetic thin films, broken inversion symmetry and spin-orbit coupling give rise to interfacial Dzyaloshinskii-Moriya interactions. Analytic expressions for spin-wave properties show that the interfacial Dzyaloshinskii-Moriya…

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…

介观与纳米尺度物理 · 物理学 2015-06-12 Andre Thiaville , Stanislas Rohart , Emilie Jue , Vincent Cros , Albert Fert

We theoretically study the dynamics of ferrimagnetic domain walls in the presence of Dzyaloshinskii-Moriya interaction. We find that an application of a DC magnetic field can induce terahertz spin-wave emission by driving ferrimagnetic…

The nonreciprocal propagation of spin waves (SWs) offers opportunities for developing novel functional magnonic logic devices, where controllability is crucial for magnetic signal processing. Domain walls act as natural waveguides due to…

材料科学 · 物理学 2025-07-30 Tingting Liu , Shuhong Li , Yunlong Liu , Shuchao Qin , Yang Liu , Wenjun Wang , Minghui Qin

Ultrathin metallic ferromagnets on substrates with strong spin-orbit coupling can exhibit induced chiral interactions of the Dzyaloshinskii-Moriya (DM) form. For systems with perpendicular anisotropy, the presence of DM interactions has…

Domain walls (DWs) in perpendicularly magnetized nanotracks (PMNTs) with interfacial Dzyaloshinskii-Moriya interaction (DMI) have become the primary objects of theoretical and experimental interest due to their technological suitability in…

计算物理 · 物理学 2018-11-22 Yue Zhang , Mao-Kang Shen , Zai-Dong Li , Xiao-Fei Yang , Long You

From the pioneering work of Winter [Phys. Rev. 124, 452 (1961)], a magnetic domain wall of Bloch type is known to host a special wall-bound spin-wave mode, which corresponds to spin-waves being channeled along the magnetic texture. Using…

介观与纳米尺度物理 · 物理学 2019-07-24 Yves Henry , Daniel Stoeffler , Joo-Von Kim , Matthieu Bailleul

We numerically demonstrate that domain walls can be used as spin wave waveguides. We show that gapless spin waves bounded inside a domain wall can be guided by the domain wall. For Bloch walls, we further show that the bound spin waves can…

介观与纳米尺度物理 · 物理学 2015-12-24 X. S. Wang , X. R. Wang

The channeling of spin waves with domain walls in ultrathin ferromagnetic films is demonstrated theoretically and through micromagnetics simulations. It is shown that propagating excitations localized to the wall, which appear in the…

The Dzyaloshinskii-Moriya interaction in ultrathin ferromagnets can result in nonreciprocal propagation of spin waves. We examine theoretically how spin wave power flow is influenced by this interaction. We show that the combination of the…

材料科学 · 物理学 2016-11-23 Joo-Von Kim , Robert L. Stamps , Robert E. Camley

The dynamics of domain walls in ultrathin ferromagnetic strips with perpendicular magnetic anisotropy is studied from both numerical and analytical micromagnetics. The influence of the interfacial Dzyaloshinskii-Moriya interaction…

材料科学 · 物理学 2016-04-20 L. Sánchez-Tejerina , Ó. Alejos , E. Martínez , J. M. Muñoz

Spin waves are collective excitations propagating in the magnetic medium with ordered magnetizations. Magnonics, utilizing the spin wave (magnon) as information carrier, is a promising candidate for low-dissipation computation and…

介观与纳米尺度物理 · 物理学 2016-10-19 Weichao Yu , Jin Lan , Ruqian Wu , Jiang Xiao

Spin waves have the potential to be used as a new platform for data transfer and processing as they can reach wavelengths in the nanometer range and frequencies in the terahertz range. To realize a spin-wave device, it is essential to be…

We theoretically investigate spin-wave propagation through a magnetic metamaterial with spatially modulated Dzyaloshinskii-Moriya interaction. We establish an effective Sch{\"o}dinger equation for spin-waves and derive boundary conditions…

材料科学 · 物理学 2017-11-29 Seung-Jae Lee , Jung-Hwan Moon , Hyun-Woo Lee , Kyung-Jin Lee

Domain walls are the transition regions between two magnetic domains. These objects have been very relevant during the last decade, not only due to their intrinsic interest in the development of novel spintronics devices but also because of…

介观与纳米尺度物理 · 物理学 2021-05-19 Oscar Alejos , Víctor Raposo , Eduardo Martínez

A spin-wave theory that includes the antisymmetric Dzyaloshinskii-Moriya exchange interactions and long-range dipole-dipole interactions is presented for finite-length ferromagnetic spin chains. It is found that three different physical…

介观与纳米尺度物理 · 物理学 2024-05-03 Bushra Hussain , Michael Cottam

We present an analytic study of domain-wall statics and dynamics in ferromagnetic nanotubes with spin-orbit-induced Dzyaloshinskii-Moriya interaction (DMI). Even at the level of statics, dramatic effects arise from the interplay of space…

介观与纳米尺度物理 · 物理学 2016-02-24 Arseni Goussev , J. M. Robbins , Valeriy Slastikov , Oleg A. Tretiakov

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…

材料科学 · 物理学 2026-02-02 George Theodorou , Stavros Komineas

We revisit the description of ferromagnetic domain wall dynamics through an extended one-dimensional model by allowing flexural distortions of the wall during its motion. This is taken into account by allowing the domain wall center and…

介观与纳米尺度物理 · 物理学 2018-08-29 Rémy Soucaille , Felipe Garcia-Sanchez , Joo-Von Kim , Thibaut Devolder , Jean-Paul Adam

We present an analytic and numerical study of the creation of an uni-directional spin-wave emission in ultra-thin ferromagnetic films sandwiched in an asymmetric layer stack. For this we extend the analytical description of spin waves in…

介观与纳米尺度物理 · 物理学 2017-03-08 Thomas Brächer , Philipp Pirro , Olivier Boulle , Gilles Gaudin
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