High electromechanical coupling piezoelectrics: Relaxor and normal ferroelectric solid solutions

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Abstract

A new category of piezoelectric ceramics with very high electromechanical coupling was discovered in a lead zinc niobate-lead titanate solid solution in a single crystal form. The maximum coupling factor k33 reaches 95%, which corresponds to the energy conversion rate twice as high as the conventional lead zirconate titanate ceramics. This paper reviews the previous studies on superior piezoelectricity in relaxor ferroelectric: lead titanate solid solutions and on the possible mechanisms of this high electromechanical coupling.

Original languageEnglish (US)
Pages (from-to)43-52
Number of pages10
JournalSolid State Ionics
Volume108
Issue number1-4
DOIs
StatePublished - May 1 1998

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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