Home > Publications database > Rolling Microswarms along Acoustic Virtual Walls > print

001     912060
005     20240712112957.0
024 7 _ |a 10.21203/rs.3.rs-1505456/v1
|2 doi
024 7 _ |a 2128/34012
|2 Handle
037 _ _ |a FZJ-2022-05287
041 _ _ |a English
100 1 _ |a Zhang, Zhiyuan
|0 P:(DE-HGF)0
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245 _ _ |a Rolling Microswarms along Acoustic Virtual Walls
260 _ _ |c 2022
336 7 _ |a Preprint
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336 7 _ |a WORKING_PAPER
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336 7 _ |a Electronic Article
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336 7 _ |a preprint
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336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a Output Types/Working Paper
|2 DataCite
520 _ _ |a Rolling is a ubiquitous mode of transport utilized by both living organisms and engineeredsystems. Rolling, on the microscale, has become particularly interesting for the manipulationof microswarms, since enacting such motion does not require special prefabrication techniques.However, rolling motion has to date been restricted by the need for a physical boundary to breakthe spatial homogeneity of surrounding mediums, which limits its prospects for microswarmnavigation and cargo delivery to locations with no boundaries. Here, in the absence of realphysical boundaries, we show that chain-shaped microswarms can undergo rolling motion alongvirtual walls in the aqueous medium, impelled by a combination of magnetic and acousticfields. A rotational magnetic field causes individual particles to self-assemble and rotate, whilethe pressure nodes generated by an acoustic standing wave field serve as virtual walls. Theacoustic radiation force pushes the rotating microswarms towards a virtual wall and providesthe reaction force needed to break their fore-aft motion symmetry and induce rolling. Wedevelop an experiment-supported theoretical model to quantify the net displacement generatedby rolling. Finally, we demonstrate that rolling can be achieved along arbitrary trajectoriesby dynamically switching the orientation of the virtual walls and the rotational directions ofthe magnetic field. Consequently, the concept of reconfigurable virtual walls developed hereovercomes the fundamental limitation of a physical boundary being required for universalrolling movements.
536 _ _ |a 1215 - Simulations, Theory, Optics, and Analytics (STOA) (POF4-121)
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588 _ _ |a Dataset connected to CrossRef
700 1 _ |a Sukhov, Alexander
|0 P:(DE-Juel1)169463
|b 1
700 1 _ |a Harting, Jens
|0 P:(DE-Juel1)167472
|b 2
|e Corresponding author
700 1 _ |a Malgaretti, Paolo
|0 P:(DE-Juel1)185890
|b 3
700 1 _ |a Ahmed, Daniel
|0 P:(DE-HGF)0
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773 _ _ |a 10.21203/rs.3.rs-1505456/v1
|p 7347
|v 13
|y 2022
|t nature communications
856 4 _ |u https://www.nature.com/articles/s41467-022-35078-8
856 4 _ |u https://juser.fz-juelich.de/record/912060/files/Rolling%20Microswarms%20along%20Acoustic%20Virtual%20Walls.pdf
|y OpenAccess
909 C O |o oai:juser.fz-juelich.de:912060
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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913 1 _ |a DE-HGF
|b Forschungsbereich Energie
|l Materialien und Technologien für die Energiewende (MTET)
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914 1 _ |y 2022
915 _ _ |a OpenAccess
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920 _ _ |l yes
920 1 _ |0 I:(DE-Juel1)IEK-11-20140314
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|l Helmholtz-Institut Erlangen-Nürnberg Erneuerbare Energien
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980 1 _ |a FullTexts
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980 _ _ |a UNRESTRICTED
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981 _ _ |a I:(DE-Juel1)IET-2-20140314

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