Dielectric and piezoelectric properties of 0.91pb(zn1/3nb2/3)o3-0.09pbtio3 single crystals

Jun Kuwata, Kenji Uchino, Shoichiro Nomura

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The dielectric, piezoelectric and elastic properties of 0.91(PbZn1/3Nb2/3)O3舑0.09PbTiO3 single crystals have been investigated as functions of temperature and applied electric field. Two multiple phase transitions at 68ŶC and 178ŶC, the crystal changing from the rhombohedral ferroelectric phase to tetragonal ferroelectric and then to cubic paraelectric, have been observed. Both the transitions are of first-order, but both are slightly diffused. Significant increases in the dielectric, piezoelectric and elastic constants are observed at the lower transition point. In particular, the sample poled along the pseudo-cubic [001] axis reveals anomalously large piezoelectric and electro-mechanical coupling constants at room temperature in the rhombohedral phase (d[001]//=1500ȕ10-12 C/N, k[001]//=0.92).

Original languageEnglish (US)
Pages (from-to)1298-1302
Number of pages5
JournalJapanese Journal of Applied Physics
Issue number9R
StatePublished - Sep 1982

All Science Journal Classification (ASJC) codes

  • General Engineering
  • General Physics and Astronomy


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