Recent Developments in Piezoelectric Ceramics

Piezoelectric ceramics are materials that generate an electric charge in response to mechanical stress and conversely, deform when an electric field is applied. These ceramics are typically made from ferroelectric materials such as lead zirconate titanate (PZT), barium titanate, or lithium niobate. They exhibit strong piezoelectric properties due to their perovskite crystal structures, which lack a center of symmetry. This asymmetry allows the displacement of ions within the crystal lattice when subjected to external forces, producing an electric charge. Piezoelectric ceramics are widely used in applications like sensors, actuators, and transducers, converting mechanical energy into electrical energy and vice versa. Their high efficiency, durability, and precision make them integral in medical ultrasound equipment, industrial actuators, and consumer electronics like microphones and buzzers. The versatility and robustness of piezoelectric ceramics continue to drive innovation across various technological fields. This book unfolds the innovative aspects of piezoelectric ceramics which will be crucial for the progress of this field in the future. While understanding the long-term perspectives of the topics, the book makes an effort in highlighting their impact as a modern tool for the growth of the discipline. Scientists and students actively engaged in this field will find this book full of crucial and unexplored concepts.