Results 91 to 100 of about 7,370 (261)

Field‐Programable Dynamics in a Soft Magnetic Actuator Enabling True Random Number Generation and Reservoir Computing

open access: yesAdvanced Intelligent Systems, EarlyView.
Complex dynamics, often avoided in electromechanical design, can enhance soft robotics. We develop durable magnetic soft actuators operating in tunable dynamic regimes, enabling random number generation, stochastic computing, and time‐series prediction.
Eduardo Sergio Oliveros‐Mata   +14 more
wiley   +1 more source

Vortex mechanics in planar nano-magnets

open access: yes, 2013
A collective-variable approach for the study of non-linear dynamics of magnetic textures in planar nano-magnets is proposed. The variables are just arbitrary parameters (complex or real) in the specified analytical function of a complex variable ...
Metlov, Konstantin L.
core   +1 more source

Exploiting Ferroelectric and Spintronic Dynamics for Neural Network Computation

open access: yesAdvanced Intelligent Systems, EarlyView.
Ferroelectric and spintronic devices, relying on the control of polarization and magnetization, offer intrinsically fast, durable, energy‐efficient, and low‐latency building blocks for analog in‐memory computing. The hysteretic dynamics of an order parameter are leveraged to provide nonvolatile, multistate memory and nonlinear switching. Brain‐inspired
Dashiell Harrison   +4 more
wiley   +1 more source

Dzyaloshinskii-Moriya chiral magnets and boundary conditions in Skyrmion electronics [PDF]

open access: yes, 2017
Skyrmion-based electronic devices are a subset of spintronic nanodevices based on chiral materials (1, 2). The Dzyaloshinskii-Moriya (D-M) interaction is a chiral magnetic interaction which models chiral magnetic materials showing particular promise for
Kotiuga, P. Robert
core  

Stochastic thermodynamics of micromagnetics

open access: yesJournal of Statistical Mechanics: Theory and Experiment
Abstract In this work, we study the stochastic thermodynamics of micro-magnetic systems. We first formulate the stochastic dynamics of micro-magnetic systems by incorporating noises into the Landau–Lifshitz (LL) equation, which describes the irreversible and deterministic dynamics of magnetic moments. The resulting stochastic LL equation
Ding, Mingnan, Wu, Jun, Xing, Xiangjun
openaire   +3 more sources

Imaging and Linking Spatial Magnetic Nanoparticle Distribution to Microbead Torques Using Soft X‐Ray Laminography

open access: yesAdvanced Physics Research, EarlyView.
Nanoscale 3D imaging of superparamagnetic microbeads via soft X‐ray laminography reveals the structural origin of the observed torques in cell movement experiments. These microbeads are found to have an uneven distribution of magnetic magnetite nanoparticles.
Findan Block   +9 more
wiley   +1 more source

TOPICAL REVIEW: Phase-field modeling of microstructure evolutions in magnetic materials

open access: yesScience and Technology of Advanced Materials, 2008
Recently, the phase-field method has been extended and utilized across many fields of materials science. Since this method can incorporate, systematically, the effect of the coherency induced by lattice mismatch and the applied stress as well as the ...
Toshiyuki Koyama
doaj  

Modified Static Hysteresis Simulation Method for Electrical Equipment with Silicon Steel Core

open access: yesZhongguo dianli
Compared to traditional hysteresis models like Preisach and Jiles-Atherton (J-A), the micromagnetic Landau-Lifshitz-Gilbert (LLG) equation offers advantages such as clearer physical interpretation and higher simulation accuracy.
Ren LIU, Yu ZENG, Anlong HU, Bo TANG
doaj   +1 more source

User interfaces for computational science: A domain specific language for OOMMF embedded in Python

open access: yesAIP Advances, 2017
Computer simulations are used widely across the engineering and science disciplines, including in the research and development of magnetic devices using computational micromagnetics.
Marijan Beg   +2 more
doaj   +1 more source

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

open access: yesAdvanced Physics Research, EarlyView.
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

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