Processing and electromechanical properties of high-coercive field ZnO-doped PIN-PZN-PT ceramics

Michael J. Brova; Beecher H. Watson; Rebecca L. Walton; Elizabeth R. Kupp; Mark A. Fanton; Richard J. Meyer; Gary L. Messing

doi:10.1111/jace.17181

Processing and electromechanical properties of high-coercive field ZnO-doped PIN-PZN-PT ceramics

Michael J. Brova, Beecher H. Watson, Rebecca L. Walton, Elizabeth R. Kupp, Mark A. Fanton, Richard J. Meyer, Gary L. Messing

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Abstract

This study explores sintering and piezoelectricity of ZnO-doped perovskite Pb(In_1/2Nb_1/2)O₃-Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ (PIN-PZN-PT) ceramics. The enhanced densification of ZnO-doped PIN-PZN-PT is attributed to the formation of oxygen vacancies by the incorporation of Zn²⁺ into the perovskite B-site and increased rate of bulk diffusion relative to undoped PIN-PZN-PT. Incorporation of Zn²⁺ into the perovskite lattice increased the tetragonal character of PIN-PZN-PT as demonstrated by tetragonal peak splitting and increased Curie temperature. Sintering in flowing oxygen reduced the solubility of Zn²⁺ in the perovskite lattice and resulted in rhombohedral PIN-PZN-PT. Sintering in oxygen prevented secondary phase formation which resulted in a high-piezoelectric coefficient (d₃₃ – 550 pC/N), high-coercive field (E_c – 13 kV/cm), and high-rhombohedral to tetragonal phase transition temperature (T_r-t – 165°C). We conclude that ZnO-doped PIN-PZN-PT ceramics are excellent candidates for high-power transducer applications.

Original language	English (US)
Pages (from-to)	4794-4802
Number of pages	9
Journal	Journal of the American Ceramic Society
Volume	103
Issue number	9
DOIs	https://doi.org/10.1111/jace.17181
State	Published - Sep 1 2020

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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title = "Processing and electromechanical properties of high-coercive field ZnO-doped PIN-PZN-PT ceramics",

abstract = "This study explores sintering and piezoelectricity of ZnO-doped perovskite Pb(In1/2Nb1/2)O3-Pb(Zn1/3Nb2/3)O3-PbTiO3 (PIN-PZN-PT) ceramics. The enhanced densification of ZnO-doped PIN-PZN-PT is attributed to the formation of oxygen vacancies by the incorporation of Zn2+ into the perovskite B-site and increased rate of bulk diffusion relative to undoped PIN-PZN-PT. Incorporation of Zn2+ into the perovskite lattice increased the tetragonal character of PIN-PZN-PT as demonstrated by tetragonal peak splitting and increased Curie temperature. Sintering in flowing oxygen reduced the solubility of Zn2+ in the perovskite lattice and resulted in rhombohedral PIN-PZN-PT. Sintering in oxygen prevented secondary phase formation which resulted in a high-piezoelectric coefficient (d33 – 550 pC/N), high-coercive field (Ec – 13 kV/cm), and high-rhombohedral to tetragonal phase transition temperature (Tr-t – 165°C). We conclude that ZnO-doped PIN-PZN-PT ceramics are excellent candidates for high-power transducer applications.",

author = "Brova, {Michael J.} and Watson, {Beecher H.} and Walton, {Rebecca L.} and Kupp, {Elizabeth R.} and Fanton, {Mark A.} and Meyer, {Richard J.} and Messing, {Gary L.}",

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AU - Brova, Michael J.

AU - Watson, Beecher H.

AU - Walton, Rebecca L.

AU - Kupp, Elizabeth R.

AU - Fanton, Mark A.

AU - Meyer, Richard J.

AU - Messing, Gary L.

PY - 2020/9/1

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N2 - This study explores sintering and piezoelectricity of ZnO-doped perovskite Pb(In1/2Nb1/2)O3-Pb(Zn1/3Nb2/3)O3-PbTiO3 (PIN-PZN-PT) ceramics. The enhanced densification of ZnO-doped PIN-PZN-PT is attributed to the formation of oxygen vacancies by the incorporation of Zn2+ into the perovskite B-site and increased rate of bulk diffusion relative to undoped PIN-PZN-PT. Incorporation of Zn2+ into the perovskite lattice increased the tetragonal character of PIN-PZN-PT as demonstrated by tetragonal peak splitting and increased Curie temperature. Sintering in flowing oxygen reduced the solubility of Zn2+ in the perovskite lattice and resulted in rhombohedral PIN-PZN-PT. Sintering in oxygen prevented secondary phase formation which resulted in a high-piezoelectric coefficient (d33 – 550 pC/N), high-coercive field (Ec – 13 kV/cm), and high-rhombohedral to tetragonal phase transition temperature (Tr-t – 165°C). We conclude that ZnO-doped PIN-PZN-PT ceramics are excellent candidates for high-power transducer applications.

AB - This study explores sintering and piezoelectricity of ZnO-doped perovskite Pb(In1/2Nb1/2)O3-Pb(Zn1/3Nb2/3)O3-PbTiO3 (PIN-PZN-PT) ceramics. The enhanced densification of ZnO-doped PIN-PZN-PT is attributed to the formation of oxygen vacancies by the incorporation of Zn2+ into the perovskite B-site and increased rate of bulk diffusion relative to undoped PIN-PZN-PT. Incorporation of Zn2+ into the perovskite lattice increased the tetragonal character of PIN-PZN-PT as demonstrated by tetragonal peak splitting and increased Curie temperature. Sintering in flowing oxygen reduced the solubility of Zn2+ in the perovskite lattice and resulted in rhombohedral PIN-PZN-PT. Sintering in oxygen prevented secondary phase formation which resulted in a high-piezoelectric coefficient (d33 – 550 pC/N), high-coercive field (Ec – 13 kV/cm), and high-rhombohedral to tetragonal phase transition temperature (Tr-t – 165°C). We conclude that ZnO-doped PIN-PZN-PT ceramics are excellent candidates for high-power transducer applications.

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Processing and electromechanical properties of high-coercive field ZnO-doped PIN-PZN-PT ceramics

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