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Journal of Materials Science

, Volume 42, Issue 8, pp 2612–2617 | Cite as

Preparation and phase formation of perovskite Pb(Ni1/3Nb2/3)O3 by a reaction-sintering process

  • Yi-Cheng Liou
  • Yi-Chen Huang
  • Chi-Ting Wu
Article

Abstract

Pyrochlore-free Pb(Ni1/3Nb2/3)O3 perovskite ceramics produced by a simple and effective reaction-sintering process were investigated. Without any calcination, the mixture of PbO, Ni(NO3)2 and Nb2O5 was pressed and sintered directly into PNN ceramics. Density of 98.5% of theoretical value was obtained after sintered at 1230 °C for 2 h in air. 99.3% of theoretical density was obtained after sintered at 1,200 °C for 2 h in PbO compensated atmosphere. PNN ceramic with dielectric constant 1,680 at 25 °C and 1 kHz has been obtained.

Keywords

Perovskite Nb2O5 Perovskite Phase Pyrochlore Phase Lead Titanate 
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

Acknowledgements

The authors are grateful to Miss Shi-Yuea Hsu for her help in obtaining the SEM photos. This study was supported by the National Science Council of the Republic of China under contract NSC 92-2218-E-168-017.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Department of Electronic EngineeringKun-Shan UniversityTainan HsienTaiwan, ROC

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