Sol-gel processing of PbTiO3 and Pb(Zr0.52Ti0.48)O3 fibers

Ulagaraj Selvaraj, A. V. Prasadarao, Sridhar Komarneni

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62 Scopus citations

Abstract

Homogeneous and stoichiometric PbTiO3 and PbZro.52Tio.48O3 gel fibers were drawn from viscous solutions prepared by sol-gel processing of alkoxide precursors. The fibrous gels on heating at 450 and 600 °C, respectively, formed the well-crystallized phases of PbTiO3 and PbZro.52Tio.48O3 Fibers heat treated at 700 °C are a few centimeters long and 50 to 150 μm in diameter. PbZro.52Tio.48O3 fibers subjected to heat treatment at 700 °C for 1 h consisted of fully dense submicron grains (0.15 to 0.2 (μm). However, PbTiO3 fibers under analogous conditions showed a few micropores with grains of ~0.1 μm. Dielectric constants of these PbTiO3 and PbZro.52Tio.48O3 fibers were approximately 300 and 800, respectively.

Original languageEnglish (US)
Pages (from-to)992-996
Number of pages5
JournalJournal of Materials Research
Volume7
Issue number4
DOIs
StatePublished - Apr 1992

All Science Journal Classification (ASJC) codes

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

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