Elastic, piezoelectric, and dielectric properties of multidomain 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 single crystals

Rui Zhang, Bei Jiang, Wenwu Cao

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Abstract

The elastic, piezoelectric, and dielectric constants of 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 domain engineered single crystal were determined experimentally by using ultrasonic and resonance methods. It was confirmed that the single crystal system has large electromechanical coupling coefficient k33 (∼94%) and piezoelectric constant d33 (∼2800 pC/N) if the poling is done along the [001] of pseudocubic directions. A soft shear mode with a velocity of 880 m/s was observed in the [110] direction with displacement in [110]. Using the measured data, the orientation dependence of phase velocities and electromechanical coupling coefficients were calculated. The origin of experimental errors and their influence on measured results are also examined.

Original languageEnglish (US)
Pages (from-to)3471-3475
Number of pages5
JournalJournal of Applied Physics
Volume90
Issue number7
DOIs
StatePublished - Oct 1 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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