Bulletin of Materials Science

, Volume 9, Issue 4, pp 255–262 | Cite as

Dielectric behaviour of glasses and glass ceramics in the system BaO-PbO-TiO2-B2O3-SiO2

  • R K Mandal
  • Ch. Durga Prasad
  • O M Parkash
  • Devendra Kumar
Article

Abstract

Glasses with varying molar ratios of PbO/BaO in the system BaO-PbO-TiO2-B2O3-SiO2 were prepared keeping (BaO + PbO)/TiO2 ratio equal to one. The glasses were ceramized by two-stage heat treatment. X-ray diffraction indicates that PbTiO3 crystallizes in lead-rich glasses while BaTiO3 precipitates in barium-rich compositions. Solid solution (Ba, Pb)TiO3 does not seem to crystallize over the entire range of compositions. Simultaneous presence of PbO and BaO in the initial glass composition reduces the yield of ferroelectric phase. Dielectric properties have been interpreted in terms of microstructural features.

Keywords

Glass ceramics ferroelectric dielectric constant 

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References

  1. Bergeron C G 1961Crystallization of perovskite lead titanate from glass, Ph.D. Thesis, University of IllinoisGoogle Scholar
  2. Grossman D G and Isard J O 1969aJ. Am. Ceram. Soc. 52 230CrossRefGoogle Scholar
  3. Grossman D G and Isard J O 1969bJ. Mater. Sci. 4 1059CrossRefGoogle Scholar
  4. Herczog A 1964J. Am. Ceram. Soc. 47 107CrossRefGoogle Scholar
  5. Herczog A 1984J. Am. Ceram. Soc. 67 484CrossRefGoogle Scholar
  6. Layton M M and Herczog A 1967J. Am. Ceram. Soc. 50 369CrossRefGoogle Scholar
  7. Lynch S M and Shelby J E 1984J. Am. Ceram. Soc. 67 424CrossRefGoogle Scholar
  8. McMillan P W 1979Glass ceramics (London: Academic Press) (2nd ed.)Google Scholar
  9. Om Parkash, Devendra Kumar and Rajagopalan R 1986aBull. Mater. Sci. 8 13CrossRefGoogle Scholar
  10. Om Parkash, Devendra Kumar and Lakshman Pandey 1986bBull. Mater. Sci. 8 557CrossRefGoogle Scholar
  11. Skanavi G J and Kashtanova A M 1957Sov. Phys. Tech. Phys. 2 1645Google Scholar

Copyright information

© Indian Academy of Sciences 1987

Authors and Affiliations

  • R K Mandal
    • 1
  • Ch. Durga Prasad
    • 1
  • O M Parkash
    • 1
  • Devendra Kumar
    • 1
    • 2
  1. 1.School of Materials Science and TechnologyBanaras Hindu UniversityVaranasiIndia
  2. 2.Department of Ceramic Engineering, Institute of TechnologyBanaras Hindu UniversityVaranasiIndia

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