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Soft Matter. 2018 May 2;14(17):3236-3245. doi: 10.1039/c8sm00056e.

Magnetic steering of liquid metal mobiles.

Author information

1
The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, P. R. China. fengxu@mail.xjtu.edu.cn.

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.

PMID:
29508878
DOI:
10.1039/c8sm00056e

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