High performance Aurivillius-type bismuth titanate niobate (Bi3TiNbO9) piezoelectric ceramics for high temperature applications

Qian Wang; Chun Ming Wang; Jin Feng Wang; Shujun Zhang

doi:10.1016/j.ceramint.2016.01.087

High performance Aurivillius-type bismuth titanate niobate (Bi₃TiNbO₉) piezoelectric ceramics for high temperature applications

Qian Wang, Chun Ming Wang, Jin Feng Wang, Shujun Zhang

Materials Research Institute (MRI)

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

75 Scopus citations

Abstract

This paper reports the significant improved piezoelectric properties of high temperature bismuth titanate niobate (Bi₃TiNbO₉, BTN) polycrystalline ceramics. The piezoelectric performance of BTN ceramics is significantly enhanced by cerium modifications. The dielectric measurements indicate that the Curie temperature T_c gradually decreases over the temperature range of 907-889 °C with cerium contents increasing up to 0.7 wt%. The BTN-5Ce (BTN+0.5 wt% CeO₂) exhibits optimized piezoelectric properties with a piezoelectric constant d₃₃ of 16 pC/N, which is five times the value of unmodified BTN (d₃₃∼3 pC/N), while BTN-5Ce maintains a high Curie temperature T_c of 894 °C. The temperature-dependent electrical impedance and electromechanical coupling factors (k_p, and k_t) reveal that the BTN-5Ce exhibits thermally stable electromechanical coupling characteristics up to 500 °C but significantly deteriorates at 600 °C due to high conductivity at a higher temperature. The thermally stable electromechanical properties in combination with the ceramics' high electrical resistivity (10⁶ Ω cm at 500 °C) and high Curie temperature (∼900 °C) demonstrate that cerium-modified BTN ceramics are good materials for high temperature sensing applications.

Original language	English (US)
Pages (from-to)	6993-7000
Number of pages	8
Journal	Ceramics International
Volume	42
Issue number	6
DOIs	https://doi.org/10.1016/j.ceramint.2016.01.087
State	Published - May 1 2016

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.2016.01.087

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title = "High performance Aurivillius-type bismuth titanate niobate (Bi3TiNbO9) piezoelectric ceramics for high temperature applications",

abstract = "This paper reports the significant improved piezoelectric properties of high temperature bismuth titanate niobate (Bi3TiNbO9, BTN) polycrystalline ceramics. The piezoelectric performance of BTN ceramics is significantly enhanced by cerium modifications. The dielectric measurements indicate that the Curie temperature Tc gradually decreases over the temperature range of 907-889 °C with cerium contents increasing up to 0.7 wt%. The BTN-5Ce (BTN+0.5 wt% CeO2) exhibits optimized piezoelectric properties with a piezoelectric constant d33 of 16 pC/N, which is five times the value of unmodified BTN (d33∼3 pC/N), while BTN-5Ce maintains a high Curie temperature Tc of 894 °C. The temperature-dependent electrical impedance and electromechanical coupling factors (kp, and kt) reveal that the BTN-5Ce exhibits thermally stable electromechanical coupling characteristics up to 500 °C but significantly deteriorates at 600 °C due to high conductivity at a higher temperature. The thermally stable electromechanical properties in combination with the ceramics' high electrical resistivity (106 Ω cm at 500 °C) and high Curie temperature (∼900 °C) demonstrate that cerium-modified BTN ceramics are good materials for high temperature sensing applications.",

author = "Qian Wang and Wang, {Chun Ming} and Wang, {Jin Feng} and Shujun Zhang",

note = "Funding Information: This work was supported by the National Natural Science Foundation of China under the Grant nos. 51172129 and 50902087 , the Natural Science Foundation of Shandong Province of China under the Grant nos. ZR2012EMQ005 and ZR2014EMM012 , and a foundation under the Grant no. 2015JMRH0103. Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd and Techna Group S.r.l.",

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AU - Zhang, Shujun

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China under the Grant nos. 51172129 and 50902087 , the Natural Science Foundation of Shandong Province of China under the Grant nos. ZR2012EMQ005 and ZR2014EMM012 , and a foundation under the Grant no. 2015JMRH0103. Publisher Copyright: © 2016 Elsevier Ltd and Techna Group S.r.l.

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Y1 - 2016/5/1

N2 - This paper reports the significant improved piezoelectric properties of high temperature bismuth titanate niobate (Bi3TiNbO9, BTN) polycrystalline ceramics. The piezoelectric performance of BTN ceramics is significantly enhanced by cerium modifications. The dielectric measurements indicate that the Curie temperature Tc gradually decreases over the temperature range of 907-889 °C with cerium contents increasing up to 0.7 wt%. The BTN-5Ce (BTN+0.5 wt% CeO2) exhibits optimized piezoelectric properties with a piezoelectric constant d33 of 16 pC/N, which is five times the value of unmodified BTN (d33∼3 pC/N), while BTN-5Ce maintains a high Curie temperature Tc of 894 °C. The temperature-dependent electrical impedance and electromechanical coupling factors (kp, and kt) reveal that the BTN-5Ce exhibits thermally stable electromechanical coupling characteristics up to 500 °C but significantly deteriorates at 600 °C due to high conductivity at a higher temperature. The thermally stable electromechanical properties in combination with the ceramics' high electrical resistivity (106 Ω cm at 500 °C) and high Curie temperature (∼900 °C) demonstrate that cerium-modified BTN ceramics are good materials for high temperature sensing applications.

AB - This paper reports the significant improved piezoelectric properties of high temperature bismuth titanate niobate (Bi3TiNbO9, BTN) polycrystalline ceramics. The piezoelectric performance of BTN ceramics is significantly enhanced by cerium modifications. The dielectric measurements indicate that the Curie temperature Tc gradually decreases over the temperature range of 907-889 °C with cerium contents increasing up to 0.7 wt%. The BTN-5Ce (BTN+0.5 wt% CeO2) exhibits optimized piezoelectric properties with a piezoelectric constant d33 of 16 pC/N, which is five times the value of unmodified BTN (d33∼3 pC/N), while BTN-5Ce maintains a high Curie temperature Tc of 894 °C. The temperature-dependent electrical impedance and electromechanical coupling factors (kp, and kt) reveal that the BTN-5Ce exhibits thermally stable electromechanical coupling characteristics up to 500 °C but significantly deteriorates at 600 °C due to high conductivity at a higher temperature. The thermally stable electromechanical properties in combination with the ceramics' high electrical resistivity (106 Ω cm at 500 °C) and high Curie temperature (∼900 °C) demonstrate that cerium-modified BTN ceramics are good materials for high temperature sensing applications.

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High performance Aurivillius-type bismuth titanate niobate (Bi₃TiNbO₉) piezoelectric ceramics for high temperature applications

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