Poling field versus piezoelectric property for [001]c oriented 91%Pb(Zn1/3Nb2/3)O3-9%PbTiO3 single crystals

Yang Xiang, Rui Zhang, Wenwu Cao

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Electromechanical property measurements and microstructure observations using optical microscopy were performed on a [001]c oriented k 33 resonator made of 91%Pb(Zn1/3Nb2/3)O 3-9%PbTiO3 single crystal, which was polarized under different electric fields. At room temperature, when the poling field is 1100 V/mm, the electromechanical coupling factor k33 is 0.90 and piezoelectric coefficient d33 is 1665 pC/N. Such superior electromechanical properties could be attributed to the formation of monoclinic multi-domain structure, which transforms to tetragonal phase at 46 °C. While at a higher poling field of 1200 V/mm, the crystal becomes singledomain tetragonal state and its k33 and d33 are only about 0.69 and 850 pC/N, respectively. The critical poling field to transform the monoclinic phase to the tetragonal phase is found to be ∼1120 V/mm.

Original languageEnglish (US)
Pages (from-to)1839-1843
Number of pages5
JournalJournal of Materials Science
Issue number6
StatePublished - Mar 2011

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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