CMOS-compatible metasurface piezoelectric micromachined ultrasonic transducers for enhanced ultrasonic transmissionRemoveZepeng Wu, Shicheng Zhao, Qiaozhen Zhang, Yicheng Wang, Feifei Wang, Dongdong Gong, Feihong Bao, Ying Cheng, and Xiaojun LiuPhys. Rev. Applied 25, 034033 (2026)
