The Korean Journal of Ceramics

The Korean Ceramic Society (한국세라믹학회)
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Microemulsion Processing of Lead Magnesium Niobate Powders

  • Ng, Wei-Beng (Department of Materials Science) ;
  • John Wang (Department of Materials Science) ;
  • Ng, Ser-Choon (Department of Physics) ;
  • Gan, Leong-Ming (Department of Chemistry Institute of Materials Research and Engineering National University of Singapore)
  • Published : 1999.09.01
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Abstract

Ultrafine lead magnesium niobate $Pb(Mg_{1/3}Nb_{2/3}) O_3$ (PMN) powders have been successfully prepared via a micro-emulsion processing technique. By stepwise hydrolysis using aqueous as the precipitant, hydroxide precursor was obtained from nitrate solutions dispersed in the nanosized aqueous domains of a microemulsion consisting of cyclohexane, non-ionic surfactant (NP5+NP9) and an aueous phase. Upon calcination of the microemulsion-derived precursor at $800^{\circ}C$, PMN powders with 100% perovskite phase was obtained.

Keywords

References

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