From vertices to vortices in magnetic nanoislands

Author:

Saccone Michael12ORCID,Gartside Jack C.3ORCID,Stenning Kilian D.3,Branford Will R.34ORCID,Caravelli Francesco1ORCID

Affiliation:

1. Theoretical Division (T4), Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

2. Center for Nonlinear Studies (T-Division), Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

3. Blackett Laboratory, Imperial College London, London SW7 2AZ, United Kingdom

4. London Centre for Nanotechnology, University College London, London WC1H 0AH, United Kingdom

Abstract

Recent studies in magnetic nanoarrays show that a variety of complex magnetic states and textures emerge as a function of a single magnetic nanoisland's aspect ratio. We propose a model that, in addition to fitting experiments, predicts magnetic states with continuous symmetry at particular aspect ratios and reveals a duality between vortex and vertex states. Our model opens new means of engineering novel types of artificial spin systems, and their application to complex magnetic textures in devices and computing.

Funder

Los Alamos National Laboratory

Leverhulme foundation

Publisher

AIP Publishing

Subject

Condensed Matter Physics,Fluid Flow and Transfer Processes,Mechanics of Materials,Computational Mechanics,Mechanical Engineering

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Modelling nanomagnet vertex dynamics through Coulomb charges;Journal of Physics: Condensed Matter;2024-07-10

2. Conditions for an emergent gauge field in planar artificial spin ices with the dumbbell model approach;Journal of Applied Physics;2024-06-28

3. Gænice: A general model for magnon band structure of artificial spin ices;Journal of Magnetism and Magnetic Materials;2024-01

4. Complex field reversal dynamics in nanomagnetic systems;Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences;2023-09

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