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Journal of Materials Science

, Volume 42, Issue 3, pp 812–816 | Cite as

Dielectric responses in Mg1/3Ta2/3-replaced Pb[(Zn1/3Nb2/3),Ti]O3 ceramics

  • Jee-Su Kim
  • Nam-Kyoung KimEmail author
Article
  • 55 Downloads

Abstract

Octahedral lattice sites of Pb[(Zn1/3Nb2/3),Ti]O3 were replaced by 20 at.% Mg1/3Ta2/3 complex to enhance perovskite development, especially at Pb(Zn1/3Nb2/3)O3-rich compositions. Resultant changes in the perovskite formation and associated dielectric responses were investigated. A perovskite structure was identified at Pb(Zn1/3Nb2/3)O3-rich compositions by X-ray diffraction, although the development was rather incomplete. Phase transition modes in the dielectric constant spectra changed from diffuse to sharp ones, regardless of the introduction of Mg1/3Ta2/3. Dielectric maximum temperatures of the ceramics shifted linearly with the compositional change.

Keywords

Perovskite Rutile Diffuse Phase Transition Sharp Phase Transition Perovskite Formation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgement

This study was supported by the Korea Research Foundation Grant (KRF-2001-041-E00456).

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Department of Inorganic Materials EngineeringKyungpook National UniversityDaeguKorea

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