IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v10y2019i1d10.1038_s41467-019-12665-w.html
   My bibliography  Save this article

Controlling collective rotational patterns of magnetic rotors

Author

Listed:
  • Daiki Matsunaga

    (University of Oxford
    Osaka University)

  • Joshua K. Hamilton

    (University of Exeter
    QinetiQ Ltd)

  • Fanlong Meng

    (University of Oxford
    Max Planck Institute for Dynamics and Self-Organization (MPIDS))

  • Nick Bukin

    (University of Exeter)

  • Elizabeth L. Martin

    (University of Exeter)

  • Feodor Y. Ogrin

    (University of Exeter)

  • Julia M. Yeomans

    (University of Oxford)

  • Ramin Golestanian

    (University of Oxford
    Max Planck Institute for Dynamics and Self-Organization (MPIDS))

Abstract

Magnetic actuation is widely used in engineering specific forms of controlled motion in microfluidic applications. A challenge, however, is how to extract different desired responses from different components in the system using the same external magnetic drive. Using experiments, simulations, and theoretical arguments, we present emergent rotational patterns in an array of identical magnetic rotors under an uniform, oscillating magnetic field. By changing the relative strength of the external field strength versus the dipolar interactions between the rotors, different collective modes are selected by the rotors. When the dipole interaction is dominant the rotors swing upwards or downwards in alternating stripes, reflecting the spin-ice symmetry of the static configuration. For larger spacings, when the external field dominates over the dipolar interactions, the rotors undergo full rotations, with different quarters of the array turning in different directions. Our work sheds light on how collective behaviour can be engineered in magnetic systems.

Suggested Citation

  • Daiki Matsunaga & Joshua K. Hamilton & Fanlong Meng & Nick Bukin & Elizabeth L. Martin & Feodor Y. Ogrin & Julia M. Yeomans & Ramin Golestanian, 2019. "Controlling collective rotational patterns of magnetic rotors," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-12665-w
    DOI: 10.1038/s41467-019-12665-w
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-019-12665-w
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-019-12665-w?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Hao Wu & Yiyu Chen & Wenlong Xu & Chen Xin & Tao Wu & Wei Feng & Hao Yu & Chao Chen & Shaojun Jiang & Yachao Zhang & Xiaojie Wang & Minghui Duan & Cong Zhang & Shunli Liu & Dawei Wang & Yanlei Hu & Ji, 2023. "High-performance Marangoni hydrogel rotors with asymmetric porosity and drag reduction profile," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-12665-w. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.