Issue 17, 2018

Magnetic steering of liquid metal mobiles

Abstract

Gallium-based liquid metal has captivated exceptionally keen interest in recent years since it remains in the liquid phase at room temperature and thus conforms to the surrounding medium. Meanwhile, such morphing capability can be tuned via altering the oxide layer on the surface of the liquid metal, which further triggers enthusiasm for investigating its locomotion. In this study, we proposed a magnetic actuation scenario for steering liquid metal locomotion in an easily accessible and highly directed manner. The soft mobile composed of liquid metal performed satisfyingly in locomotion and assembly tasks in various circumstances (on a solid surface and in a water environment). Furthermore, promising applications as switches for logic circuits and carriers for cargo transfer, as well as motors for vessel cleaning were also demonstrated, revealing the versatility of such liquid metal mobiles.

Graphical abstract: Magnetic steering of liquid metal mobiles

Supplementary files

Article information

Article type
Paper
Submitted
07 Jan 2018
Accepted
20 Feb 2018
First published
21 Feb 2018

Soft Matter, 2018,14, 3236-3245

Magnetic steering of liquid metal mobiles

H. Liu, M. Li, Y. Li, H. Yang, A. Li, T. J. Lu, F. Li and F. Xu, Soft Matter, 2018, 14, 3236 DOI: 10.1039/C8SM00056E

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