Piezoelectricity, acoustic waves, and devices applications have been traditionally interwoven from the early days when practical applications of theory of piezoelectricity and acoustic waves started with piezoelectric resonators. The last few years have a Piezoelectricity, acoustic waves, and devices applications have been traditionally interwoven from the early days when practical applications of theory of piezoelectricity and acoustic waves started with piezoelectric resonators. The last few years have a