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Realisation of a frustrated 3D magnetic nanowire lattice

May, Andrew, Hunt, Matthew, Van Den Berg, Arjen, Hejazi, Alaa and Ladak, Sam ORCID: 2019. Realisation of a frustrated 3D magnetic nanowire lattice. Communications Physics 2 , 13. 10.1038/s42005-018-0104-6

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Patterning nanomagnets in three-dimensions presents a new paradigm in condensed matter physics and allows access to a plethora of fundamental phenomena including robust spin textures, magnetic metamaterials that are home to defects carrying magnetic charge and ultrahigh density devices that store information in three dimensions. However, the nanostructuring of functional magnetic materials into complex three-dimensional geometries has thus far proven to be a formidable challenge. Here we show magnetic nanowires can be arranged into 3D frustrated magnetic nanowire lattices by using a combination of 3D polymer nanoprinting and metallic deposition. The fabricated nanowires are single domain and they switch via nucleation and propagation of domain walls. Deep nanoscale magnetic imaging and finite element simulations elucidate the spin texture present on the 3D nanostructured lattice. Our study demonstrates a generic platform for the production of 3D nanostructured magnetic materials allowing the realisation of racetrack memory devices and 3D nanostructured systems that mimic bulk frustrated crystals.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Advanced Research Computing @ Cardiff (ARCCA)
Physics and Astronomy
Subjects: Q Science > QC Physics
Additional Information: This article is licensed under a Creative Commons Attribution 4.0 International License.
Publisher: Nature Research
ISSN: 2399-3650
Funders: EPSRC
Date of First Compliant Deposit: 5 December 2018
Date of Acceptance: 20 December 2018
Last Modified: 23 Dec 2023 15:29

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