Electric field assisted motion of a mercury droplet

Abstract Field-assisted self-assembly, motion, and manipulation of droplets have gained much attention in the past decades. We exhibit an electric field manipulation of the motion of a liquid metal (mercury) droplet submerged in a conductive liquid medium (a solution of sulfuric acid). A mercury dro...

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Autores principales:	Gábor Holló, Nobuhiko J. Suematsu, Elliott Ginder, István Lagzi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a12d333fb51148b0bae51d56ca61164f
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spelling	oai:doaj.org-article:a12d333fb51148b0bae51d56ca61164f2021-12-02T14:06:31ZElectric field assisted motion of a mercury droplet10.1038/s41598-020-80375-12045-2322https://doaj.org/article/a12d333fb51148b0bae51d56ca61164f2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80375-1https://doaj.org/toc/2045-2322Abstract Field-assisted self-assembly, motion, and manipulation of droplets have gained much attention in the past decades. We exhibit an electric field manipulation of the motion of a liquid metal (mercury) droplet submerged in a conductive liquid medium (a solution of sulfuric acid). A mercury droplet moves toward the cathode and its path selection is always given by the steepest descent of the local electric field potential. Utilizing this unique behavior, we present several examples of droplet motions, including maze solving, electro-levitation, and motion on a diverted path between parallel electrodes by controlling the conductivity of the medium. We also present an experimental demonstration of Fermat's principle in a non-optical system, namely a mercury droplet moving along a refracted path between electrodes in a domain having two different conductivities.Gábor HollóNobuhiko J. SuematsuElliott GinderIstván LagziNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gábor Holló Nobuhiko J. Suematsu Elliott Ginder István Lagzi Electric field assisted motion of a mercury droplet
description	Abstract Field-assisted self-assembly, motion, and manipulation of droplets have gained much attention in the past decades. We exhibit an electric field manipulation of the motion of a liquid metal (mercury) droplet submerged in a conductive liquid medium (a solution of sulfuric acid). A mercury droplet moves toward the cathode and its path selection is always given by the steepest descent of the local electric field potential. Utilizing this unique behavior, we present several examples of droplet motions, including maze solving, electro-levitation, and motion on a diverted path between parallel electrodes by controlling the conductivity of the medium. We also present an experimental demonstration of Fermat's principle in a non-optical system, namely a mercury droplet moving along a refracted path between electrodes in a domain having two different conductivities.
format	article
author	Gábor Holló Nobuhiko J. Suematsu Elliott Ginder István Lagzi
author_facet	Gábor Holló Nobuhiko J. Suematsu Elliott Ginder István Lagzi
author_sort	Gábor Holló
title	Electric field assisted motion of a mercury droplet
title_short	Electric field assisted motion of a mercury droplet
title_full	Electric field assisted motion of a mercury droplet
title_fullStr	Electric field assisted motion of a mercury droplet
title_full_unstemmed	Electric field assisted motion of a mercury droplet
title_sort	electric field assisted motion of a mercury droplet
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a12d333fb51148b0bae51d56ca61164f
work_keys_str_mv	AT gaborhollo electricfieldassistedmotionofamercurydroplet AT nobuhikojsuematsu electricfieldassistedmotionofamercurydroplet AT elliottginder electricfieldassistedmotionofamercurydroplet AT istvanlagzi electricfieldassistedmotionofamercurydroplet
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Electric field assisted motion of a mercury droplet

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