Electric-Field Control of Propagating Spin Waves by Ferroelectric Domain-Wall Motion in a Multiferroic Heterostructure.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202100646
Abstract: Magnetoelectric coupling in multiferroic heterostructures offers a promising platform for electric-field control of magnonic devices based on low-power spin-wave transport. Here, electric-field manipulation of the amplitude and phase of propagating spin waves in a ferromagnetic… read more here.
Keywords: spin waves; spin wave; field; field control ... See more keywords
Skyrmion-Excited Spin Wave Fractal Network.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202300416
Abstract: Magnetic skyrmions exhibit unique, technologically relevant pseudo-particle behaviors which arise from their topological protection, including well-defined, three-dimensional dynamic modes that occur at microwave frequencies. During dynamic excitation, spin waves are ejected into the interstitial regions… read more here.
Keywords: spin waves; fractal network; wave fractal; spin wave ... See more keywords
Periodic and Aperiodic NiFe Nanomagnet/Ferrimagnet Hybrid Structures for 2D Magnon Steering and Interferometry with High Extinction Ratio.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202301087
Abstract: Magnons, quanta of spin waves, are known to enable information processing with low power consumption at the nanoscale. So far, however, experimentally realized half-adders, wave-logic and binary output operations were based on few µm-long spin waves… read more here.
Keywords: periodic aperiodic; spin waves; interferometry; high extinction ... See more keywords
Spin waves in superlattice nanowires formed by two different ferromagnetic materials
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2017.02.022
Abstract: Abstract A Green function analysis is used to study spin-wave excitations in a nanowire ferromagnetic superlattice. The dispersion equation for spin waves propagating along the nanowires, which are modeled as having a hexagonal cross section,… read more here.
Keywords: spin waves; superlattice nanowires; two different; formed two ... See more keywords
Parallel pumping of spin waves in a ferromagnet revisited
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.165486
Abstract: Abstract A consistent theory of parametric resonance of spin-wave pairs in a ferromagnetically ordered system is developed for the case of parallel pumping. Exact equations for critical amplitudes at different frequencies of the pump field… read more here.
Keywords: parallel pumping; waves ferromagnet; spin waves; pumping spin ... See more keywords
The focusing properties of spin wave with Fresnel lens phase profile
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2020.166756
Abstract: Abstract The manipulation of spin waves has been essential for the application of spin waves. In this article, we report a Fresnel lens for focusing the magnetostatic surface spin waves on a ferromagnetic film and… read more here.
Keywords: phase profile; spin waves; fresnel lens;
Exchange stiffness and damping constants of spin waves in CoFeB films
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2020.167335
Abstract: Abstract Exchange stiffness and damping of spin waves in a soft ferromagnet of CoFeB are investigated using a time-resolved pump-probe technique. A pump pulse excites coherent spin waves in CoFeB via optical spin-orbit torque from… read more here.
Keywords: exchange stiffness; spin waves; cofeb; spin ... See more keywords
Investigations of the spin-waves excited by the collision of domain walls in nanostrips
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2021.168388
Abstract: Abstract In a nanostrip, two kinds of spin waves (SWs) were produced by two possible collisions of transverse domain walls (DWs) under the driving magnetic fields. By micromagnetic simulations, we illustrated the difference between these… read more here.
Keywords: collision; domain walls; spin waves; waves excited ... See more keywords
Observation of Coherent Spin Waves in a Three-Dimensional Artificial Spin Ice Structure
Sign Up to like & getrecommendations! Published in 2021 at "Nano Letters"
DOI: 10.1021/acs.nanolett.1c00650
Abstract: Harnessing high-frequency spin dynamics in three-dimensional (3D) nanostructures may lead to paradigm-shifting, next-generation devices including high density spintronics and neuromorphic systems. Despite remarkable progress in fabrication, the measurement and interpretation of spin dynamics in complex… read more here.
Keywords: three dimensional; spin waves; coherent spin; artificial spin ... See more keywords
Filtering and Imaging of Frequency-Degenerate Spin Waves Using Nanopositioning of a Single-Spin Sensor
Sign Up to like & getrecommendations! Published in 2022 at "Nano Letters"
DOI: 10.1021/acs.nanolett.2c02791
Abstract: Nitrogen-vacancy (NV) magnetometry is a new technique for imaging spin waves in magnetic materials. It detects spin waves by their microwave magnetic stray fields, which decay evanescently on the scale of the spin-wavelength. Here, we… read more here.
Keywords: degenerate spin; spin waves; spin; frequency degenerate ... See more keywords
Spin transfer torque driven higher-order propagating spin waves in nano-contact magnetic tunnel junctions
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-06589-0
Abstract: Short wavelength exchange-dominated propagating spin waves will enable magnonic devices to operate at higher frequencies and higher data transmission rates. While giant magnetoresistance (GMR)-based magnetic nanocontacts are efficient injectors of propagating spin waves, the generated… read more here.
Keywords: spin waves; propagating spin; order; magnetic tunnel ... See more keywords