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

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

103 Citations (Scopus)

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. © 2016 Elsevier Ltd and Techna Group S.r.l.

Original language	English
Pages (from-to)	6993-7000
Journal	Ceramics International
Volume	42
Issue number	6
DOIs	https://doi.org/10.1016/j.ceramint.2016.01.087
Publication status	Published - 1 May 2016
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

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.

Research Keywords

Bismuth layer-structured ferroelectrics
Bismuth titanate niobate
Ceramics
Piezoelectricity

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Cite this

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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. {\textcopyright} 2016 Elsevier Ltd and Techna Group S.r.l.",

keywords = "Bismuth layer-structured ferroelectrics, Bismuth titanate niobate, Ceramics, Piezoelectricity",

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

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AU - Wang, Qian

AU - Wang, Chun-Ming

AU - Wang, Jin-Feng

AU - Zhang, Shujun

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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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. © 2016 Elsevier Ltd and Techna Group S.r.l.

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. © 2016 Elsevier Ltd and Techna Group S.r.l.

KW - Bismuth layer-structured ferroelectrics

KW - Bismuth titanate niobate

KW - Ceramics

KW - Piezoelectricity

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