Journal
JOURNAL OF APPLIED PHYSICS
Volume 122, Issue 24, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5005032
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Funding
- Beihang University Zhuobai [ZG216S1751]
- Beijing Natural Science Foundation of China [17L20128]
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In this paper, an innovative microrobot with passive diamagnetic levitation is presented. Based on theoretical analysis, finite element method simulation, and experiments, the shape of pyrolytic graphite is redesigned, which improves the stability of passive diamagnetic levitation significantly. Therefore, passive diamagnetic levitation is able to be applied for 3-D control of the microrobot. Compared with the traditional microrobots driven by permanent magnets in a microfluidic chip, the microrobot made of pyrolytic graphite and driven by magnetic force has two advantages, no friction and 3-D control, which is able to expand the scope of the microrobot applications. Finally, the microrobot with passive diamagnetic levitation was demonstrated by being encapsulated in a microfluidic chip for microparticle manipulations. Published by AIP Publishing.
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