Prof. Wu and Collaborators have published one paper in Microsys. Nanoeng.
Zhang, Y., Jin, T., Deng, Y. et al. A low-voltage-driven MEMS ultrasonic phased-array transducer for fast 3D volumetric imaging. Microsyst Nanoeng 10, 128 (2024). https://doi.org/10.1038/s41378-024-00755-9