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Top-down design of magnonic crystals from bottom-up magnetic nanoparticles through protein arrays

Research output: Contribution to journalArticle

Original languageEnglish
Article number155301
Number of pages6
Issue number15
Early online date15 Mar 2017
DateAccepted/In press - 24 Feb 2017
DateE-pub ahead of print - 15 Mar 2017
DatePublished (current) - 18 Apr 2017


We show that chemical fixation enables top-down micro-machining of large periodic 3D arrays of protein-encapsulated magnetic nanoparticles (NPs) without loss of order. We machined 3D micro-cubes containing a superlattice of NPs by means of focused ion beam etching, integrated an individual micro-cube to a thin-film coplanar wave guide and measured the resonant microwave response. Our work represents a major step towards well-defined magnonic metamaterials created from the self-assembly of magnetic nanoparticles.

    Research areas

  • Self-assembly, magnetic nanoparticle, Ferritin, Chemical fixation, Ferromagnetic resonance, Magnonic metamaterial, Magnonics

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    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via IOP at Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 532 KB, PDF document


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