CCeramics International3/1/2026High-temperature PZT-based 1–3 piezoelectric composites enabled by a PI/PEEK hybrid matrix for downhole ultrasonic transducersYansong Wang·Jie Li·Runze Yang·Hongliang Wang·Yongbin Liu·Xi ZuoRead at Ceramics InternationalTagsUltrasound Imaging and ElastographyRadiology, Nuclear Medicine and Imaging