Electromagnetic three dimensional liquid metal manipulation

In this paper, we report three-dimensional (3-D) liquid metal manipulation using electromagnets, which can be applied to electrical switching applications. The liquid metal droplet was coated with iron (Fe) particles by chemical reaction with hydrochloric acid (HCl), and thus it became responsive to...

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Veröffentlicht in:Lab on a chip 2019-10, Vol.19 (19), p.3261-3267
Hauptverfasser: Jeong, Jinwon, Lee, Jeong-Bong, Chung, Sang Kug, Kim, Daeyoung
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Lee, Jeong-Bong
Chung, Sang Kug
Kim, Daeyoung
description In this paper, we report three-dimensional (3-D) liquid metal manipulation using electromagnets, which can be applied to electrical switching applications. The liquid metal droplet was coated with iron (Fe) particles by chemical reaction with hydrochloric acid (HCl), and thus it became responsive to the magnetic field, becoming a magnetic liquid metal marble. Using electromagnets, the magnetic field was turned on and off on-demand. We investigated an average velocity and the maximum working distance of the horizontal and vertical electromagnetic field-driven manipulation of the magnetic liquid metal marble. Linear (1-D) and plane (2-D) manipulation of the marble was successfully demonstrated and 3-D manipulation was verified for electrical switching. In this paper, we report three-dimensional (3-D) liquid metal manipulation using electromagnets, which can be applied to electrical switching applications.
doi_str_mv 10.1039/c9lc00503j
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Casting
Chemical reactions
Electromagnetic fields
Electromagnets
Hydrochloric acid
Iron
Liquid metals
Magnetic fields
Magnetic fluids
Marble
Organic chemistry
Switching
title Electromagnetic three dimensional liquid metal manipulation
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