Dielectric and piezoelectric properties of the morphotropic phase boundary composition in the (0.8-x) Pb(Mg 1/3Ta 2/3) O 3-0.2PbZrO 3-xPbTiO3 ternary system

Hua Hao, Shujun Zhang, Thomas R. Shrout

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Morphotropic phase boundary (MPB) compositions separating rhombohedral and tetragonal phases in the (1-x-y)Pb(Mg 1/3 Ta 2/3)O 3-yPbZrO 3-xPbTiO 3 (PMT-PZ-PT100x) ternary solid solution system were characterized using X-ray diffraction and dielectric, piezoelectric properties. This work focused on compositions with a PZ content fixed at y=0.2, with an MPB composition found to be located at x=0.4. Piezoelectric coefficients and dielectric permittivity were found to be on the order of d 33=580 pC/N and 4100, respectively. Acceptor modification using manganese was found to induce a "hardening" effect in 0.4PMT-0.2PZ-0.4PT, with decreased piezoelectric coefficients d 33 and dielectric loss and increased mechanical quality factor Q. Piezoelectric coefficients d 33, Q values, and dielectric loss were found to be 500 pC/N, 2000, and 0.4%, respectively, for 0.4PMT-0.2PZ-0.4PT with MnO 2 dopant levels around 0.5 wt%. The figure of merit (product of Q and d 33) was found to be on the order of 1 × 10 6, significantly higher when compared with other hard piezoelectric PZT materials. Specifically, the PMT-PZ-PT materials may be attractive candidates for high-power ultrasonic applications, particularly fine-scale components that require relating high permittivities.

Original languageEnglish (US)
Pages (from-to)2232-2235
Number of pages4
JournalJournal of the American Ceramic Society
Volume91
Issue number7
DOIs
StatePublished - Jul 1 2008

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Phase boundaries
Ternary systems
Dielectric losses
Permittivity
Ultrasonic applications
Chemical analysis
Piezoelectric materials
Manganese
Hardening
Solid solutions
Doping (additives)
X ray diffraction

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

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title = "Dielectric and piezoelectric properties of the morphotropic phase boundary composition in the (0.8-x) Pb(Mg 1/3Ta 2/3) O 3-0.2PbZrO 3-xPbTiO3 ternary system",
abstract = "Morphotropic phase boundary (MPB) compositions separating rhombohedral and tetragonal phases in the (1-x-y)Pb(Mg 1/3 Ta 2/3)O 3-yPbZrO 3-xPbTiO 3 (PMT-PZ-PT100x) ternary solid solution system were characterized using X-ray diffraction and dielectric, piezoelectric properties. This work focused on compositions with a PZ content fixed at y=0.2, with an MPB composition found to be located at x=0.4. Piezoelectric coefficients and dielectric permittivity were found to be on the order of d 33=580 pC/N and 4100, respectively. Acceptor modification using manganese was found to induce a {"}hardening{"} effect in 0.4PMT-0.2PZ-0.4PT, with decreased piezoelectric coefficients d 33 and dielectric loss and increased mechanical quality factor Q. Piezoelectric coefficients d 33, Q values, and dielectric loss were found to be 500 pC/N, 2000, and 0.4{\%}, respectively, for 0.4PMT-0.2PZ-0.4PT with MnO 2 dopant levels around 0.5 wt{\%}. The figure of merit (product of Q and d 33) was found to be on the order of 1 × 10 6, significantly higher when compared with other hard piezoelectric PZT materials. Specifically, the PMT-PZ-PT materials may be attractive candidates for high-power ultrasonic applications, particularly fine-scale components that require relating high permittivities.",
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Dielectric and piezoelectric properties of the morphotropic phase boundary composition in the (0.8-x) Pb(Mg 1/3Ta 2/3) O 3-0.2PbZrO 3-xPbTiO3 ternary system. / Hao, Hua; Zhang, Shujun; Shrout, Thomas R.

In: Journal of the American Ceramic Society, Vol. 91, No. 7, 01.07.2008, p. 2232-2235.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Dielectric and piezoelectric properties of the morphotropic phase boundary composition in the (0.8-x) Pb(Mg 1/3Ta 2/3) O 3-0.2PbZrO 3-xPbTiO3 ternary system

AU - Hao, Hua

AU - Zhang, Shujun

AU - Shrout, Thomas R.

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