Dielectric, piezoelectric, and electromechanical properties of morphotropic phase boundary compositions in the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 ternary system

Hua Hao; Shujun Zhang; Hanxing Liu; Thomas R. Shrout

doi:10.1063/1.3065529

Dielectric, piezoelectric, and electromechanical properties of morphotropic phase boundary compositions in the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 ternary system

Hua Hao, Shujun Zhang, Hanxing Liu, Thomas R. Shrout

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

Morphotropic phase boundary (MPB) compositions, separating the rhombohedral and tetragonal phases within the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 (PMT-PZ-PT) ternary system, were identified using x-ray diffraction and confirmed by their dielectric and piezoelectric properties. Optimal properties were found for the MPB composition of 0.4PMT-0.2PZ-0.4PT, with a dielectric constant εr and a piezoelectric coefficient (d33) of the order of 4000 and 580 pC/N, respectively. The planar and thickness electromechanical coupling factors were found to be kp =57.2% and kt =44.4%, with a moderate Curie temperature of 175 °C. Compositions with increasing PMT content (>0.3) exhibited relaxorlike characteristics, showing dispersive dielectric behavior with respect to frequency, indicative of the decay of the macrodomain state to microdomain state.

Original language	English (US)
Article number	024104
Journal	Journal of Applied Physics
Volume	105
Issue number	2
DOIs	https://doi.org/10.1063/1.3065529
State	Published - 2009

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/1.3065529

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title = "Dielectric, piezoelectric, and electromechanical properties of morphotropic phase boundary compositions in the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 ternary system",

abstract = "Morphotropic phase boundary (MPB) compositions, separating the rhombohedral and tetragonal phases within the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 (PMT-PZ-PT) ternary system, were identified using x-ray diffraction and confirmed by their dielectric and piezoelectric properties. Optimal properties were found for the MPB composition of 0.4PMT-0.2PZ-0.4PT, with a dielectric constant εr and a piezoelectric coefficient (d33) of the order of 4000 and 580 pC/N, respectively. The planar and thickness electromechanical coupling factors were found to be kp =57.2% and kt =44.4%, with a moderate Curie temperature of 175 °C. Compositions with increasing PMT content (>0.3) exhibited relaxorlike characteristics, showing dispersive dielectric behavior with respect to frequency, indicative of the decay of the macrodomain state to microdomain state.",

author = "Hua Hao and Shujun Zhang and Hanxing Liu and Shrout, {Thomas R.}",

note = "Funding Information: The authors would like to thank the Natural Science Foundation of China (Grant No. 50872102) and the Key Grant Project of Chinese Ministry of Education (Grant No. 309022) for the support.",

year = "2009",

doi = "10.1063/1.3065529",

language = "English (US)",

volume = "105",

journal = "Journal of Applied Physics",

issn = "0021-8979",

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T1 - Dielectric, piezoelectric, and electromechanical properties of morphotropic phase boundary compositions in the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 ternary system

AU - Hao, Hua

AU - Zhang, Shujun

AU - Liu, Hanxing

AU - Shrout, Thomas R.

N1 - Funding Information: The authors would like to thank the Natural Science Foundation of China (Grant No. 50872102) and the Key Grant Project of Chinese Ministry of Education (Grant No. 309022) for the support.

PY - 2009

Y1 - 2009

N2 - Morphotropic phase boundary (MPB) compositions, separating the rhombohedral and tetragonal phases within the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 (PMT-PZ-PT) ternary system, were identified using x-ray diffraction and confirmed by their dielectric and piezoelectric properties. Optimal properties were found for the MPB composition of 0.4PMT-0.2PZ-0.4PT, with a dielectric constant εr and a piezoelectric coefficient (d33) of the order of 4000 and 580 pC/N, respectively. The planar and thickness electromechanical coupling factors were found to be kp =57.2% and kt =44.4%, with a moderate Curie temperature of 175 °C. Compositions with increasing PMT content (>0.3) exhibited relaxorlike characteristics, showing dispersive dielectric behavior with respect to frequency, indicative of the decay of the macrodomain state to microdomain state.

AB - Morphotropic phase boundary (MPB) compositions, separating the rhombohedral and tetragonal phases within the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 (PMT-PZ-PT) ternary system, were identified using x-ray diffraction and confirmed by their dielectric and piezoelectric properties. Optimal properties were found for the MPB composition of 0.4PMT-0.2PZ-0.4PT, with a dielectric constant εr and a piezoelectric coefficient (d33) of the order of 4000 and 580 pC/N, respectively. The planar and thickness electromechanical coupling factors were found to be kp =57.2% and kt =44.4%, with a moderate Curie temperature of 175 °C. Compositions with increasing PMT content (>0.3) exhibited relaxorlike characteristics, showing dispersive dielectric behavior with respect to frequency, indicative of the decay of the macrodomain state to microdomain state.

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Dielectric, piezoelectric, and electromechanical properties of morphotropic phase boundary compositions in the Pb (Mg1/3 Ta2/3) O3 - PbZrO3 - PbTiO3 ternary system

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