Electromechanical properties of PLZT x/90/10
University of Silesia, Faculty of Computer Science and Materials Science, Sniezna 2, 41-200 Sosnowiec, Poland
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The role of chemical composition on dielectric, piezoelectric and electromechanical properties of PLZT x/90/10 has been investigated. The Pb(Zr,Ti)O3 90/10 and (Pb,La)(Zr,Ti)O3 x/90/10 ceramics with 2 and 3 at. % of lanthanum with starting stoichiometries corresponding with A– and B – site compensating valence substitutions were prepared. In order to present the differences due to appearance the vacancies in Pb or Zr (Ti) sublattice, polarization and strain behavior versus electric field were performed. For antiferroelectric PLZT 3A/90/10 the polarization and strain , at electric field E=5kV/mm, were achieved.
© EDP Sciences, Springer-Verlag, 2008