Piezoelectric Actuators

Dear Colleagues,

Actuator applications of piezoelectrics started in the late-1970s, and enormous investment was made in practical developments during the 1980s, aiming at consumer applications, such as precision positioners with high strain materials, multilayer device designing and mass-fabrication processes for portable electronic devices, ultrasonic motors for micro-robotics, and smart structures. We are now facing a sort of “Renaissance” of piezoelectric actuators according to the social environmental changes. Five key trends to the future perspectives are “Performance to Reliability”, “Hard to Soft”, “Macro to Nano”, “Homo to Hetero”, and “Single to Multi-functional”.

This Special Issue will collect review and/or special topic papers on smart actuators, emphasizing the above key trends, including Pb-free piezoelectrics, high power piezoelectrics, transformers, soft actuators, polymer-ceramic composites, piezo MEMS, multifunctional piezoelectric composite devices such as magnetoelectric transducers, bio/medical and energy harvesting applications, and more.

Prof. Dr. Kenji Uchino
Guest Editor

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