Magnetically powered metachronal waves induce locomotion in self-assemblies

Y. Collard, G.M. Grosjean, N. Vandewalle, Communications Physics 3 (2020).

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Journal Article | Published | English

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Author
Collard, Ylona; Grosjean, GalienIST Austria ; Vandewalle, Nicolas
Department
Abstract
When tiny soft ferromagnetic particles are placed along a liquid interface and exposed to a vertical magnetic field, the balance between capillary attraction and magnetic repulsion leads to self-organization into well-defined patterns. Here, we demonstrate experimentally that precessing magnetic fields induce metachronal waves on the periphery of these assemblies, similar to the ones observed in ciliates and some arthropods. The outermost layer of particles behaves like an array of cilia or legs whose sequential movement causes a net and controllable locomotion. This bioinspired many-particle swimming strategy is effective even at low Reynolds number, using only spatially uniform fields to generate the waves.
Publishing Year
Date Published
2020-06-19
Journal Title
Communications Physics
Volume
3
Article Number
112
eISSN
IST-REx-ID

Cite this

Collard Y, Grosjean GM, Vandewalle N. Magnetically powered metachronal waves induce locomotion in self-assemblies. Communications Physics. 2020;3. doi:10.1038/s42005-020-0380-9
Collard, Y., Grosjean, G. M., & Vandewalle, N. (2020). Magnetically powered metachronal waves induce locomotion in self-assemblies. Communications Physics, 3. https://doi.org/10.1038/s42005-020-0380-9
Collard, Ylona, Galien M Grosjean, and Nicolas Vandewalle. “Magnetically Powered Metachronal Waves Induce Locomotion in Self-Assemblies.” Communications Physics 3 (2020). https://doi.org/10.1038/s42005-020-0380-9.
Y. Collard, G. M. Grosjean, and N. Vandewalle, “Magnetically powered metachronal waves induce locomotion in self-assemblies,” Communications Physics, vol. 3, 2020.
Collard Y, Grosjean GM, Vandewalle N. 2020. Magnetically powered metachronal waves induce locomotion in self-assemblies. Communications Physics. 3.
Collard, Ylona, et al. “Magnetically Powered Metachronal Waves Induce Locomotion in Self-Assemblies.” Communications Physics, vol. 3, 112, Springer Nature, 2020, doi:10.1038/s42005-020-0380-9.
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2020-06-29
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