The Temperature Dependence of the Ferroelectric and Dielectric Properties of Pure and Nickel Doped SBN Single Crystals

Abstract

The temperature dependence of the dielectric constants at various frequencies from room temperature up to the phase transition temperature, for SBN:61 pure and doped with Ni ions, are presented. Configuration of the domain structure during polarization reversal has been investigated at room temperature by nematic liquid crystal decoration technique. We have shown that domain structure dynamics is correlated with defect structure in examined crystal samples.

Acknowledgments

The authors would like to thank dr L. Ivleva from Russian Academy of Sciences in Moscow for providing SBN:61 samples.