Reactive PZT precursor powder by coprecipitation

K. Rama Mohana Rao, A. V. Prasada Rao, S. Komarneni

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74 Scopus citations


Lead, zirconium and titanium were coprecipitated from their aqueous salt solutions using oxalic acid. The precipitate on heating to 850°C gave phase pure PZT powder which showed good sinterability. The average grain size in the pellets sintered at 900°C for 6 h was about 1 μm. Barium and strontium were found to coprecipitate with lead facilitating partial substitution. Barium modified samples showed a lowering of the Curie temperature from 355 to 230°C while strontium modified samples showed a lowering from 355 to 245°C for 15 mol% substitution.

Original languageEnglish (US)
Pages (from-to)463-467
Number of pages5
JournalMaterials Letters
Issue number4-6
StatePublished - Oct 1996

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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