Figure 10. a. Schematic representation of a multilayer piezoelectric actuator with opposite poling, b. out-of-plane normal strain (εzz) for Z-stack multilayer actuator, c. out-of-plane shear strain (εxz) for Y-stack multilayer actuator [36]

From

Review of Recent Advances of GaN Nanowires Based Sensors

H. Murad, W. Hashim, Ahmed M. Nahhas

American Journal of Nanomaterials. 2023, 11(1), 61-71 doi:10.12691/ajn-11-1-5