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In this work, we have investigated the domain wall (DW) depinning behavior in the notched nanowire by a micromagnetic simulation. A transverse domain wall (TW) was initially positioned at the center of notch and 1 ns length current pulse…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Candra Kurniawan , Dede Djuhana

Spin waves are promising information carriers which can be used in modern magnonic devices, characterized by higher performance and lower energy consumption than presently used electronic circuits. However, before practical application of…

Mesoscale and Nanoscale Physics · Physics 2019-03-05 M. Mailyan , P. Gruszecki , O. Gorobets , M. Krawczyk

Recent studies have revealed that domain walls in magnetic nanostructures can serve as compact, energy-efficient spin-wave waveguides for building magnonic devices that are considered promising candidates for overcoming the challenges and…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 Xiangjun Xing , Philip W. T. Pong , J. Åkerman , Yan Zhou

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

We study the problem of controlling spin waves propagation through an antiferromagnet/ferromagnet interface via tuning material parameters. It is done by introducing the degree of sublattice noncompensation of antiferromagnet (DSNA), which…

Mesoscale and Nanoscale Physics · Physics 2021-12-30 Oksana Busel , Oksana Gorobets , Oleg A. Tretiakov

We predict high-velocity magnetic domain wall (DW) motion driven by out-of-plane acoustic spin in surface acoustic waves (SAWs). We demonstrate that the SAW propagating at a 30-degree angle relative to the x-axis of a 128-degree Y-LiNbO3…

Other Condensed Matter · Physics 2025-04-16 Jiacheng Lu , Fa Chen , Yiming Shu , Yukang Wen , Hang Zou , Yuhao Liu , Shiheng Liang , Wei Luo , Yue Zhang

Van der Waals magnetic materials are currently of great interest as materials for applications in future ultrathin nanoelectronics and nanospintronics. Due to weak coupling between individual monolayers, these materials can be easily…

Mesoscale and Nanoscale Physics · Physics 2023-11-21 Wojciech Rudziński , Józef Barnaś , Anna Dyrdał

We examine theoretically the role of spin-waves on current-induced domain wall dynamics in a ferromagnetic wire. At room temperature, we find that an interaction between the domain wall and the spin waves appears when there is a finite…

Materials Science · Physics 2015-05-13 Yann Le Maho , Joo Von Kim , Gen Tatara

The compensated magnetic order and characteristic, terahertz frequencies of antiferromagnetic materials makes them promising candidates to develop a new class of robust, ultra-fast spintronic devices. The manipulation of antiferromagnetic…

Wave-based platforms for novel unconventional computing approaches like neuromorphic computing require a well-defined, but adjustable flow of wave information combined with non-volatile data storage elements to implement weights which allow…

Mesoscale and Nanoscale Physics · Physics 2025-05-19 H. Mortada , R. Verba , Q. Wang , P. Pirro , A. Hamadeh

A novel scheme for non-volatile digital computation is proposed using spin-transfer torque (STT) and automotion of magnetic domain walls (DWs). The basic computing element is composed of a lateral spin valve (SV) with two ferromagnetic (FM)…

Emerging Technologies · Computer Science 2016-09-21 Sou-Chi Chang , Sasikanth Manipatruni , Dmitri E. Nikonov , Ian A. Young , Azad Naeemi

We have investigated optically-excited magnetoelastic waves by phase-resolved spin-wave tomography (PSWaT). PSWaT reconstructs dispersion relation of spin waves together with their phase information by using time-resolved magneto-optical…

Materials Science · Physics 2018-07-04 Yusuke Hashimoto , Tom H. Johansen , Eiji Saitoh

We demonstrate the design of a neural network, where all neuromorphic computing functions, including signal routing and nonlinear activation are performed by spin-wave propagation and interference. Weights and interconnections of the…

Disordered Systems and Neural Networks · Physics 2022-01-05 Adam Papp , Wolfgang Porod , Gyorgy Csaba

We report on the propagation of spin waves in permalloy microstripes. By means of scanning Kerr microscopy combined with continuous microwave excitation, we detect the time evolution of spin-wave interference patterns in an external…

Mesoscale and Nanoscale Physics · Physics 2009-05-14 Andreas Krohn , Sebastian Mansfeld , Jan Podbielski , Jesco Topp , Wolfgang Hansen , Detlef Heitmann , Stefan Mendach

Domain wall propagation in modulated-diameter cylindrical nanowires is a key phenomenon to be studied with a view to designing three-dimensional magnetic memory devices. This paper presents a theoretical study of transverse domain wall…

Mesoscale and Nanoscale Physics · Physics 2018-07-18 J. A. Fernandez-Roldan , A. De Riz , B. Trapp , C. Thirion , J. -C. Toussaint , O. Fruchart , D. Gusakova

Manipulation of magnetic domain walls via a helicity-independent laser pulse has recently been experimentally demonstrated and various physical mechanisms leading to domain wall dynamics have been discussed. Spin-dependent superdiffusive…

Mesoscale and Nanoscale Physics · Physics 2020-05-20 Pavel Baláž , Karel Carva , Ulrike Ritzmann , Pablo Maldonado , Peter M. Oppeneer

We have experimentally and numerically investigated the dispersion of collective spin waves prop-agating through arrays of longitudinally magnetized nanowires with periodically modulated width. Two nanowire arrays with single-side…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 G. Gubbiotti , L. L. Xiong , F. Montoncello , A. O. Adeyeye

The formation of quasi-2D nonlinear spin-wave eigenmodes in longitudinally magnetized stripes of a ferrimagnetic film, so-called guided spin-wave bullets, was experimentally observed by using time- and space-resolved Brillouin light…

Other Condensed Matter · Physics 2009-03-04 A. A. Serga , M. P. Kostylev , B. Hillebrands

To realize spin wave logic gates programmable phase inverters are essential. We image with phase-resolved Brillouin light scattering microscopy propagating spin waves in a one-dimensional magnonic crystal consisting of dipolarly coupled…

Mesoscale and Nanoscale Physics · Physics 2021-04-23 Korbinian Baumgaertl , Dirk Grundler

We study domain wall (DW) dynamics in permalloy nanowires excited by alternating spin-polarized current applied perpendicular to the nanowire. Spin torque ferromagnetic resonance measurements reveal that DW oscillations at a pinning site in…

Materials Science · Physics 2013-05-29 C. T. Boone , J. A. Katine , M. Carey , J. R. Childress , X. Cheng , I. N. Krivorotov
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