1. HIGH PERMITTIVITY RELAXOR-LEAD TITANATE PIEZOELECTRICS FOR HIGH FREQUENCY ULTRASONIC TRANSDUCERS Open Access Author: Lee, Hyeong Jae Title: HIGH PERMITTIVITY RELAXOR-LEAD TITANATE PIEZOELECTRICS FOR HIGH FREQUENCY ULTRASONIC TRANSDUCERS Graduate Program: Materials Science and Engineering Keywords: pmn-ptcompositehigh frequencytransducerpiezoelectric propertiesthickness File: Download HJLee.pdf Committee Members: Shujun Zhang, Thesis Advisor/Co-AdvisorShujun Zhang, Thesis Advisor/Co-AdvisorThomas R Shrout, Thesis Advisor/Co-Advisor