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Crystals 2019, 9(3), 179; https://doi.org/10.3390/cryst9030179

Prospective of (BaCa)(ZrTi)O3 Lead-free Piezoelectric Ceramics

State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China
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Received: 11 February 2019 / Revised: 4 March 2019 / Accepted: 13 March 2019 / Published: 26 March 2019
(This article belongs to the Special Issue Synthesis and Characterization of Ferroelectrics)
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Abstract

Piezoelectric ceramics is a functional material that can convert mechanical energy into electrical energy and vice versa. It can find wide applications ranging from our daily life to high-end techniques and dominates a billion-dollar market. For half a century, the working horse of the field has been the polycrystalline PbZr1−xTixO3 (PZT), which is now globally resisted for containing the toxic element lead. In 2009, our group discovered a non-Pb piezoelectric material, (BaCa)(ZrTi)O3 ceramics (BZT-BCT), which exhibits an ultrahigh piezoelectric coefficient d33 of 560–620 pC/N. This result brought extensive interest in the research field and important consequences for the piezoelectric industry that has relied on PZT. In the present paper, we review the recent progress, both experimental and theoretical, in the BZT-BCT ceramics. View Full-Text
Keywords: piezoelectric; ceramic; lead-free piezoelectric; ceramic; lead-free
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Liu, W.; Cheng, L.; Li, S. Prospective of (BaCa)(ZrTi)O3 Lead-free Piezoelectric Ceramics. Crystals 2019, 9, 179.

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