Modified Pb(Yb,Nb)O3-PbZrO3-PbTiO3 ternary system for high temperature applications

Jong Bong Lim; Shujun Zhang; Thomas R. Shrout

doi:10.1016/j.ceramint.2011.07.003

Modified Pb(Yb,Nb)O₃-PbZrO₃-PbTiO₃ ternary system for high temperature applications

Jong Bong Lim, Shujun Zhang, Thomas R. Shrout

Materials Research Institute (MRI)

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

20 Scopus citations

Abstract

Ternary 33Pb(Yb_1/2Nb_1/2)O-(67-x)PbZrO ₃-xPbTiO₃ [PYNZ-PTx] were investigated as a function of the PT contents. The maximum value of piezoelectric coefficient (d₃₃) was obtained, being on the order of 540 pm/V with high Curie temperature (Tc) of 375 °C for PYNZ-PT48 composition being regarded as the morphotropic phase boundary (MPB). To further increase its properties, La₂O₃ with 0.0 mol% ≤ x ≤ 3.0 mol% was substituted for PbO as an A-site in ternary PYNZ-PT48 [PYNZT]. The substitution of La³⁺ for Pb ²⁺ in PYNZT was found to increase the tetragonality, but greatly reduced Tc and broadened the dielectric permittivity maximum. The relative permittivity was found to follow a Curie-Weiss Law above the deviation temperature (T_D). The optimized properties with d₃₃ of 600 pm/V, maximum dielectric permittivity (ε_max) of 22500 (at the Tc = 315 °C and 1 kHz) were obtained in PYNZT-La2.0.

Original language	English (US)
Pages (from-to)	277-282
Number of pages	6
Journal	Ceramics International
Volume	38
Issue number	1
DOIs	https://doi.org/10.1016/j.ceramint.2011.07.003
State	Published - Jan 2012

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.ceramint.2011.07.003

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title = "Modified Pb(Yb,Nb)O3-PbZrO3-PbTiO3 ternary system for high temperature applications",

abstract = "Ternary 33Pb(Yb1/2Nb1/2)O-(67-x)PbZrO 3-xPbTiO3 [PYNZ-PTx] were investigated as a function of the PT contents. The maximum value of piezoelectric coefficient (d33) was obtained, being on the order of 540 pm/V with high Curie temperature (Tc) of 375 °C for PYNZ-PT48 composition being regarded as the morphotropic phase boundary (MPB). To further increase its properties, La2O3 with 0.0 mol% ≤ x ≤ 3.0 mol% was substituted for PbO as an A-site in ternary PYNZ-PT48 [PYNZT]. The substitution of La3+ for Pb 2+ in PYNZT was found to increase the tetragonality, but greatly reduced Tc and broadened the dielectric permittivity maximum. The relative permittivity was found to follow a Curie-Weiss Law above the deviation temperature (TD). The optimized properties with d33 of 600 pm/V, maximum dielectric permittivity (εmax) of 22500 (at the Tc = 315 °C and 1 kHz) were obtained in PYNZT-La2.0.",

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AU - Zhang, Shujun

AU - Shrout, Thomas R.

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Y1 - 2012/1

N2 - Ternary 33Pb(Yb1/2Nb1/2)O-(67-x)PbZrO 3-xPbTiO3 [PYNZ-PTx] were investigated as a function of the PT contents. The maximum value of piezoelectric coefficient (d33) was obtained, being on the order of 540 pm/V with high Curie temperature (Tc) of 375 °C for PYNZ-PT48 composition being regarded as the morphotropic phase boundary (MPB). To further increase its properties, La2O3 with 0.0 mol% ≤ x ≤ 3.0 mol% was substituted for PbO as an A-site in ternary PYNZ-PT48 [PYNZT]. The substitution of La3+ for Pb 2+ in PYNZT was found to increase the tetragonality, but greatly reduced Tc and broadened the dielectric permittivity maximum. The relative permittivity was found to follow a Curie-Weiss Law above the deviation temperature (TD). The optimized properties with d33 of 600 pm/V, maximum dielectric permittivity (εmax) of 22500 (at the Tc = 315 °C and 1 kHz) were obtained in PYNZT-La2.0.

AB - Ternary 33Pb(Yb1/2Nb1/2)O-(67-x)PbZrO 3-xPbTiO3 [PYNZ-PTx] were investigated as a function of the PT contents. The maximum value of piezoelectric coefficient (d33) was obtained, being on the order of 540 pm/V with high Curie temperature (Tc) of 375 °C for PYNZ-PT48 composition being regarded as the morphotropic phase boundary (MPB). To further increase its properties, La2O3 with 0.0 mol% ≤ x ≤ 3.0 mol% was substituted for PbO as an A-site in ternary PYNZ-PT48 [PYNZT]. The substitution of La3+ for Pb 2+ in PYNZT was found to increase the tetragonality, but greatly reduced Tc and broadened the dielectric permittivity maximum. The relative permittivity was found to follow a Curie-Weiss Law above the deviation temperature (TD). The optimized properties with d33 of 600 pm/V, maximum dielectric permittivity (εmax) of 22500 (at the Tc = 315 °C and 1 kHz) were obtained in PYNZT-La2.0.

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Modified Pb(Yb,Nb)O₃-PbZrO₃-PbTiO₃ ternary system for high temperature applications

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