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Abstract
Lead free piezo materials are becoming popular as the world is conscious about toxicity of PbO present in PZT. As a result, lot of R&D efforts are made in last two decades to find out suitable lead free piezo ceramics as effective as PZT. There are many lead free piezo systems explored. Among them, BZT-BCT is more promising due to its high piezoelectric coefficients. This system is well researched by modifying its structure with a large number of dopants. In this paper, an effort has been made to review the effect of various dopants on electrical properties of BCT-BZT systems.
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Acknowledgments
The authors express sincere gratitude to Director, CSIR-NAL for the support and encouragement during the course of the study. The authors also thank Head of the Dept., and Dr. Kirthan LJ, Associate Professor, Mechanical Department, RV College of Engineering Bengaluru as internal guide for Mr. Thejas T.S.