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SECTION J2: PIEZOELECTRICS AND APPLICATIONS

Preparation and Electrical Properties of Modified Lead Titanate Ceramics

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Pages 62-65 | Received 23 Aug 2009, Accepted 23 Sep 2009, Published online: 01 Dec 2010
 

Abstract

Two kinds of robust modified lead titanate piezoelectric ceramics were prepared with conventional solid state reaction methods, corresponding to two techniques of decreasing tetragonality and thermal expansion coefficient to reduce those crack stresses resulting from ferroelectric phase transition. Their structure, dielectric, ferroelectric and piezoelectric properties were experimentally studied in comparison for the Pb0.88Sm0.08Ti0.98Mn0.02O3 and Pb0.6Bi0.4(Ti0.75Zn0.15Fe0.10)O3 systems.

Acknowledgments

This work was partially supported by NSFC Grant 50875181, FANEDD-200744, Shanghai Pujiang Program-07pj14087 and NCET-07-0624.

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