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Journal of Electroceramics

, Volume 25, Issue 2–4, pp 116–121 | Cite as

Piezoelectric and ferroelectric properties of new Pb9Ce2Ti12O36 and lead-free Ba2NdTi2Nb3O15 ceramics

  • Lidmila Burianova
  • Stanislav Panos
  • Martin C. Stennett
  • Anthony R. West
  • Ganesanpotti Subodh
  • Mailadil T. Sebastian
  • Stanislav Kamba
Article

Abstract

In this paper, measurements of the nonlinear ferroelectric, piezoelectric and dielectric properties of Pb9Ce2Ti12O36 (Pb9CTO) and Ba2NdTi2Nb3O15 (BNTN) ferroelectric ceramics are presented. Hysteresis P(E) loops were measured as a function of applied electric field, frequency and temperature. The coercive field (E c) and remnant polarization (P r) displayed temperature and frequency dependence. Lead-free BNTN ceramics exhibited a coercive field E c > 2.4 kV mm−1 and a piezoelectric coefficient d 33 = 2 pC N−1. The hysteresis loop was pinched above 110°C and a linear response was observed at 155°C, typical of a paraelectric material. Pb9CTO was shown to be ferroelectric with coercive field E c = 1.2 kV mm−1 and a d 33 = 65 pC N−1. The frequency dependences of the impedance of the Pb9CTO discs were analyzed.

Keywords

Ferroelectric properties Piezoelectric properties Pb9Ce2Ti12O36 Pb free ferroelectric ceramics 

Notes

Acknowledgments

This work was supported by the Science Foundation of the Czech Republic (Project Nos. 202/07/1289 and 202/06/0403).

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Lidmila Burianova
    • 1
  • Stanislav Panos
    • 1
  • Martin C. Stennett
    • 2
  • Anthony R. West
    • 2
  • Ganesanpotti Subodh
    • 3
  • Mailadil T. Sebastian
    • 3
  • Stanislav Kamba
    • 4
  1. 1.Department of Physics and International Center for Piezoelectric ResearchTechnical University of LiberecLiberecCzech Republic
  2. 2.Department of Engineering of MaterialsUniversity of SheffieldSheffieldUK
  3. 3.Materials and Minerals DivisionNational Institute for Interdisciplinary Science and TechnologyTrivandrumIndia
  4. 4.Institute of PhysicAcademy of Sciences of the Czech RepublicPraque 8Czech Republic

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