Relaxor/Ferroelectric Composites: A Solution in the Quest for Practically Viable Lead‐Free Incipient Piezoceramics

Claudia Groh, Daniel J. Franzbach, Wook Jo, Kyle G. Webber, Jens Kling, Ljubomira A. Schmitt, Hans‐Joachim Kleebe, Soon‐Jong Jeong, Jae‐Shin Lee, Jürgen Rödel

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Recently developed lead‐free incipient piezoceramics are promising candidates for off‐resonance actuator applications with their exceptionally large electromechanical strains. Their commercialization currently faces two major challenges: high electric field required for activating the large strains and large strain hysteresis. It is demonstrated that design of a relaxor/ferroelectric composite provides a highly effective way to resolve both challenges. Experimental results in conjunction with numerical simulations provide key parameters for the development of viable incipient piezoceramics.
Original languageEnglish
JournalAdvanced Functional Materials
Volume24
Issue number3
Pages (from-to)356-362
ISSN1616-301X
DOIs
Publication statusPublished - 2014
Externally publishedYes

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