Nonthermal Ultrafast Optical Control of Magnetization Dynamics by Linearly Polarized Light in Metallic Ferromagnet
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Science"
DOI: 10.1002/advs.202205903
Abstract: Coherent optical control of the magnetization in ferromagnetic (FM) mediums using ultrafast nonthermal effect paves a promising avenue to improve the speed and repetition rate of the magnetization manipulation. Whereas previously, only heat‐induced or helicity‐dependent… read more here.
Keywords: control magnetization; magnetization; control; linearly polarized ... See more keywords
Hammerstein–Wiener modelling of a magneto-rheological dampers considering the magnetization dynamics
Sign Up to like & getrecommendations! Published in 2021 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2021.104829
Abstract: Abstract Magneto-rheological dampers are an effective technology to control the damping coefficient of a semi-active suspension. Most of the contributions in literature propose damper models to be used in simulation, or as damping force virtual… read more here.
Keywords: control; rheological dampers; hammerstein wiener; magneto rheological ... See more keywords
Learning magnetization dynamics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.165548
Abstract: Abstract Deep neural networks are used to model the magnetization dynamics in magnetic thin film elements. The magnetic states of a thin film element can be represented in a low dimensional space. With convolutional autoencoders… read more here.
Keywords: magnetization; learning magnetization; magnetization dynamics;
Magnetization Dynamics and Energy Dissipation of Interacting Magnetic Nanoparticles in Alternating Magnetic Fields with and without a Static Bias Field
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.8b04071
Abstract: The effect of interparticle interactions on the magnetization dynamics and energy dissipation rates of spherical single-domain magnetically blocked nanoparticles in static and alternating magnetic fields (AMFs) was studied using Brownian dynamics simulations. For the case… read more here.
Keywords: field; dynamics energy; magnetization dynamics; energy dissipation ... See more keywords
Controlling Ultrafast Magnetization Dynamics via Coherent Phonon Excitation in a Ferromagnet Monolayer
Sign Up to like & getrecommendations! Published in 2024 at "Nano Letters"
DOI: 10.1021/acs.nanolett.4c02325
Abstract: Exploring ultrafast magnetization control in 2D magnets via laser pulses is established, yet the interplay between spin dynamics and the lattice remains underexplored. Utilizing real-time time-dependent density functional theory (rt-TDDFT) coupled with Ehrenfest dynamics and… read more here.
Keywords: ultrafast magnetization; magnetization dynamics; magnetization; coherent ... See more keywords
Accelerated Ultrafast Magnetization Dynamics at Graphene/CoGd Interfaces.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c02899
Abstract: Atomically thin graphene layers can act as a spin-sink material when adjacent to a nanoscale magnetic surface. The enhancement in the extrinsic spin-orbit coupling (SOC) strength of graphene plays an important role in absorbing the… read more here.
Keywords: time; ultrafast magnetization; spin; dynamics graphene ... See more keywords
Optical Microscopy Using the Faraday Effect Reveals in Situ Magnetization Dynamics of Magnetic Nanoparticles in Biological Samples
Sign Up to like & getrecommendations! Published in 2024 at "ACS Nano"
DOI: 10.1021/acsnano.3c08955
Abstract: The study of exogenous and endogenous nanoscale magnetic material in biology is important for developing biomedical nanotechnology as well as for understanding fundamental biological processes such as iron metabolism and biomineralization. Here, we exploit the… read more here.
Keywords: faraday effect; magnetic nanoparticles; magnetization dynamics; nanoparticles biological ... See more keywords
Effect of excitation power on voltage induced local magnetization dynamics in an ultrathin CoFeB film
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-02427-3
Abstract: Voltage or electric field induced magnetization dynamics promises low power spintronics devices. For successful operation of some spintronics devices such as magnetic oscillators and magnetization switching devices a clear understanding of nonlinear magnetization dynamics is… read more here.
Keywords: voltage; magnetization dynamics; power; excitation power ... See more keywords
Modulating the magnetization dynamics of four phenoxo-O bridged Dy2 complexes based on a Schiff base derived from 8-hydroxyquinoline
Sign Up to like & getrecommendations! Published in 2018 at "New Journal of Chemistry"
DOI: 10.1039/c8nj02888e
Abstract: Four novel μ-O bridged dinuclear Dy2 clusters have been synthesized successfully by utilizing an 8-hydroxyquinoline (8-HQ) Schiff base ligand and four different co-ligands: [Dy2(bfa)2(L)2(H2O)2]·4CH3OH (1), [Dy2(TTA)2(L)2(H2O)2]·4CH3OH (2), [Dy2(acac)2(L)2(H2O)2]·2H2O (3) and [Dy2(PhCOO)2(L)2(H2O)2] (4) (Hbfa = benzoyl… read more here.
Keywords: magnetization dynamics; dy2; dy2 complexes; modulating magnetization ... See more keywords
Transient magnetization dynamics of spin-torque oscillator and magnetic dot coupled by magnetic dipolar interaction: Reading of magnetization direction using magnetic resonance
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5004632
Abstract: We study the magnetization dynamics of a spin-torque oscillator (STO) and a magnetic dot coupled by a magnetic dipolar field using micromagnetic simulation with the aim of developing a read method in magnetic recording that… read more here.
Keywords: magnetic dot; resonance; dynamics spin; magnetization dynamics ... See more keywords
Excitation and coherent control of magnetization dynamics in magnetic tunnel junctions using acoustic pulses
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5037780
Abstract: We experimentally study magnetization dynamics in magnetic tunnel junctions driven by femtosecond-laser-induced surface acoustic waves. The acoustic pulses induce a magnetization precession in the free layer of the magnetic tunnel junction through magnetoelastic coupling. The… read more here.
Keywords: magnetic tunnel; magnetization dynamics; precession; magnetization ... See more keywords