Ca12Al14O33: A new piezoelectric material

  • R. W. Whatmore
  • , C. O'Hara
  • , B. Cockayne
  • , G. R. Jones
  • , B. Lent

Research output: Contribution to journalArticlepeer-review

Abstract

Crystals of Ca12Al14O33 about 5 cm long and 1.8 cm diameter have been grown using the Czochralski technique and their piezoelectric, elastic and dielectric properties determined as a function of temperature. It has been shown that the material is unlikely to possess a cut with a zero temperature coefficient of delay for either bulk or surface wave propagation, although its high bulk wave velocities and reasonable piezoelectric coupling could make it interesting for these applications.

Original languageEnglish
Pages (from-to)967-972
Number of pages6
JournalMaterials Research Bulletin
Volume14
Issue number8
DOIs
Publication statusPublished - Aug 1979
Externally publishedYes

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