Results 71 to 80 of about 1,352 (179)

k‐Selective Electrical‐to‐Magnon Transduction with Finite‐Element‐Resolved Sub‐Micron Nanoantennas

open access: yesAdvanced Physics Research, Volume 5, Issue 6, June 2026.
We introduce a coupled finite‐element‐finite‐difference framework that links impedance‐matched nanoantenna geometries to propagating spin‐wave dynamics, capturing skin effects, proximity effects, and taper leakage beyond uniform‐current models. Applied to coplanar‐waveguide and stripline nanoantennas on yttrium‐iron‐garnet, the simulations achieve ...
Andreas Höfinger   +11 more
wiley   +1 more source

Spin‐Driven Electrocatalysis for Metal–Sulfur Batteries

open access: yesEcoEnergy, Volume 4, Issue 3, June 2026.
This review presents a comprehensive overview of spin‐driven electrocatalysis for cathodes and anodes in metal–sulfur batteries, covering the fundamental mechanism, regulation strategies, and the related characterization techniques for tracking these variations. The insightful perspectives and future research directions for spin effects in metal–sulfur
Boyang Song   +7 more
wiley   +1 more source

Super‐High Coercivity Sintered NdFeB Magnets Enabled by High‐Rate Dy/Tb Grain Boundary Synergistic Diffusion

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT The surging demand for high‐performance NdFeB magnets has made it essential to achieve ultrahigh coercivity while minimizing the consumption of heavy rare earths. To tackle this challenge, this study proposes a Dy/Tb bilayer grain boundary diffusion strategy and systematically investigates the co‐diffusion behavior of Dy and Tb.
Rui Chang   +7 more
wiley   +1 more source

Discretization Anisotropy in Finite Difference Micromagnetic Simulations [PDF]

open access: yesIEEE Transactions on Magnetics
Finite difference-based micromagnetic simulations are a powerful tool for the computational investigation of magnetic structures. In this article, we demonstrate how the discretization of continuous micromagnetic equations introduces a numerical “discretization anisotropy.” We demonstrate that, in certain scenarios, this anisotropy operates on an ...
Samuel J. R. Holt   +4 more
openaire   +2 more sources

Micromagnetic simulation of nanoscale films with perpendicular anisotropy [PDF]

open access: yesJournal of Applied Physics, 1997
A model is studied for the theoretical description of nanoscale magnetic films with high perpendicular anisotropy. In the model, the magnetic film is described in terms of single domain magnetic grains with Ising-like behavior, interacting via exchange as well as via dipolar forces.
openaire   +4 more sources

Ultralow field magnetization reversal of two-body magnetic nanoparticles

open access: yesAIP Advances, 2016
Field induced magnetization reversal was investigated in a system of two magnetic nanoparticles with uniaxial anisotropies and magnetostatic interaction.
Fei Li   +4 more
doaj   +1 more source

Fully micromagnetic analysis of voltage-controlled magnetization switching in magnetic-topological-insulator-based devices

open access: yesAIP Advances
We numerically investigate magnetization switching behavior in voltage-controlled magnetic-topological-insulator-based (VC-MTI) devices by means of the fully micromagnetic simulation.
Takashi Komine, Takahiro Chiba
doaj   +1 more source

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