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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
JournalNanotechnology
Volume28
Issue number15
Early online date15 Mar 2017
DOIs
DateAccepted/In press - 24 Feb 2017
DateE-pub ahead of print - 15 Mar 2017
DatePublished (current) - 18 Apr 2017

Abstract

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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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via IOP at http://iopscience.iop.org/article/10.1088/1361-6528/aa62f3/meta. Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 532 KB, PDF document

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