Determination of elastic, piezoelectric and dielectric properties of Pb(Zn1/3Nb2/3)O3-PbTiO3 single crystals

Jianhua Yin, Bei Jiang, Wenwu Cao

Research output: Contribution to journalConference articlepeer-review

19 Scopus citations


We report a set of measured material properties of Pb(Zn1/3Nb2/3)O3-PbTiO3(PZN-PT) multi-domain single crystals. While deriving these properties, it was assumed that the rhombohedral PZN-PT crystals have 4 mm symmetry when it is poled along the [001] of the original cubic direction. Samples with three pair of faces oriented in [001], [010] and [100] were made for the resonance measurements and additional samples with the orientations of [001], [110] and [1 1̄ 0] were made for the ultrasonic measurements. Complete sets of the material constants were obtained for PZN-4.5%PT and PZN-8%PT. The coupling coefficient k33 is 94% for the PZN-8%PT and 90% for the PZN-4.5%PT. A piezoelectric constant d33 of 2300 pC/N was obtained for the PZN-8%PT sample. These values are very encouraging for designing broadband ultrasonic transducers. Based these measurement results, the directional dependence of phase velocities and electromechanical coupling coefficients were analyzed. The calculations indicate that the coupling coefficient k31 and k33 has a maximum in the [110] and [001], respectively, a result consistent with the direct measurements. Errors in these measurements were also analyzed.

Original languageEnglish (US)
Pages (from-to)239-246
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - Jan 1 1999
EventProceedings of the 1999 Medical Imaging - Ultrasonic Trnasducer Engineering - San Diego, CA, USA
Duration: Feb 24 1999Feb 25 1999

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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