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Abstract
This paper resumes the content of the invited talk of the author, read at the occasion of the International Workshop on Relaxor Ferroelectrics, IWRF 14, held on October 12–16, 2014 in Stirin, Czech Republic. It reviews the recent advances in materials, designing concepts, and new applications of piezoelectric actuators, as well as the future perspectives of this area.
Acknowledgements
Uchino also appreciates the colleagues in ONR Global, because the politico-engineering idea came out during his government assignment as ‘Navy Ambassador to Japan’.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
The author would like to acknowledge the US Office of Naval Research for continuous research support to the International Center for Actuators and Transducers at The Pennsylvania State University [grant number N00014-99-1-0754], [grant number N00014-08-1-0912], [grant number N00014-12-1-1044].