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Crystal growth and ferroelectric related properties of (1-x)Pb(A1/3Nb2/3)O3-x PbTiO3 (A = Zn2+, Mg2+)

  • Seung Eek Park
  • , Maureen L. Mulvihill
  • , Patrick D. Lopath
  • , Mike Zipparo
  • , Thomas R. Shrout

Research output: Contribution to conferencePaperpeer-review

Abstract

Crystals of (1-x) Pb(A1/3Nb2/3)O3-x PbTiO3 (A = Zn+, Mg2+) were grown by the flux technique. The dielectric and piezoelectric properties as a function of composition and crystal orientation have been evaluated. Both MPB and non-MPB crystals were found to possess high piezoelectric properties. Values of longitudinal electromechanical coupling coefficients (k33)>90%, dielectric constants ranging from 3000 to 5000 with low dielectric loss <1% were observed for rhombohedral crystals. Tetragonal crystals with increased PbTiO3 content exhibited large thickness coupling coefficients (kT) >63% with relatively low dielectric constant (approximately 1000). Ultrahigh values of piezoelectric coefficients (d33) >2000 pC/N were also measured for non-MPB crystals and confirmed by direct E-field strain measurements. These properties are briefly discussed in relation to device performance.

Original languageEnglish (US)
Pages79-82
Number of pages4
StatePublished - 1996
EventProceedings of the 1996 10th IEEE International Symposium on Applications of Ferroelectrics, ISAF. Part 1 (of 2) - East Brunswick, NJ, USA
Duration: Aug 18 1996Aug 21 1996

Other

OtherProceedings of the 1996 10th IEEE International Symposium on Applications of Ferroelectrics, ISAF. Part 1 (of 2)
CityEast Brunswick, NJ, USA
Period8/18/968/21/96

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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