Magnetic texture control in ion-implanted metamaterials

We study experimentally the impact of the additive fabrication method on the magnetic properties of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"><a:msup><a:mrow><a:mi>Fe</a:mi></a:mrow><a:mo>+</a:mo></a:msup></a:math>-implanted Pd square artificial spin ice lattices. Our findings show that the lattices exhibit a higher ordering temperature than their continuous film counterparts. This behavior is attributed to the additive fabrication process, which induces an inhomogeneous Fe concentration within the lattice building blocks. Moreover, the implantation process creates a magnetic depth profile, enabling temperature-dependent tunability of the magnetic thickness. These additional internal degrees of freedom broaden the design possibilities for magnetic metamaterials, allowing precise fine tuning of their static and dynamic properties to achieve complex and customizable behaviors.

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Publication Details

Journal
Physical Review Materials
Published
2025-08-05
DOI
https://doi.org/10.1103/vq7j-w4gk
Primary Topic
Advanced Condensed Matter Physics
Type
article
Field-Weighted Citation Impact
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article

Magnetic texture control in ion-implanted metamaterials

Unnar B. Arnalds, Christina Vantaraki, Matías P. Grassi, Daniel Primetzhofer et al.
Physical Review Materials
Advanced Condensed Matter Physics
article

Magnetic texture control in ion-implanted metamaterials

Unnar B. Arnalds, Christina Vantaraki, Matías P. Grassi, Daniel Primetzhofer, Michael H Foerster, Dmitrii Moldarev, Vassilios Kapaklis, Kristina Ignatova
article en

Abstract

We study experimentally the impact of the additive fabrication method on the magnetic properties of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"><a:msup><a:mrow><a:mi>Fe</a:mi></a:mrow><a:mo>+</a:mo></a:msup></a:math>-implanted Pd square artificial spin ice lattices. Our findings show that the lattices exhibit a higher ordering temperature than their continuous film counterparts. This behavior is attributed to the additive fabrication process, which induces an inhomogeneous Fe concentration within the lattice building blocks. Moreover, the implantation process creates a magnetic depth profile, enabling temperature-dependent tunability of the magnetic thickness. These additional internal degrees of freedom broaden the design possibilities for magnetic metamaterials, allowing precise fine tuning of their static and dynamic properties to achieve complex and customizable behaviors.

Physical Review MaterialsVol. 9(8)
Uppsala University (SE), University of Iceland (IS), ALBA Synchrotron (Spain) (ES)
Government of the United Kingdom, UK Research and Innovation, European Commission, Vetenskapsrådet, HORIZON EUROPE Framework Programme, Science and Technology Facilities Council, Staatssekretariat für Bildung, Forschung und Innovation
Openalex Percentile: Top 88%
Advanced Condensed Matter Physics
DOIOpen Access PDFOpenAlex
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Magnetic texture control in ion-implanted metamaterials — Unnar B. Arnalds, Christina Vantaraki, et al. · Physical Review Materials (2025) | TGRS Research Map | TGRS