DOI: 10.1039/d4lc00890a ISSN: 1473-0197

3D-printed acoustic metasurface with encapsulated micro-air-bubbles for frequency-selective manipulation

Miaomiao Ji, Yukai Liu, Zheng Zhang, Rui Xu, Fanyun Pan, Ya Zhang, Rouyu Su, Minghui Lu, Xiujuan Zhang, Guanghui Wang

A low-frequency acoustic metasurface with PDMS-stabilized microbubbles achieves stable vibration modes, precise control over micro-object aggregation, rotation, separation, and selective trajectory manipulation through frequency-tuned excitation.

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