Abstract：In this paper, the controlled support of a magnetic fluid at a superhydrophobic interface is proposed. It is shown experimentally that the support of the magnetic fluid has excellent dynamic response characteristics and can be enhanced by increasing the magnetic field intensity.Numerical simulations are performed to clarify how the magnetic field is distributed, and the support mechanism is revealed theoretically. This study provides further physical insight into liquid-based support and offers excellent prospects for frictionless and controllable microplatforms and laboratory-on-chip applications.

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