Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary Ceramics
Piezoelectric ceramics with excellent piezoelectric properties and a high Curie temperature are important for numerous electromechanical devices in a broad range of temperature environments. In this work, the relaxor ferroelectric Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub&...
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MDPI AG
2024-01-01
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| author | Fan Zhang Hua Hao Minghe Cao Zhonghua Yao Shuai Fu Hanxing Liu |
| author_facet | Fan Zhang Hua Hao Minghe Cao Zhonghua Yao Shuai Fu Hanxing Liu |
| author_sort | Fan Zhang |
| collection | DOAJ |
| description | Piezoelectric ceramics with excellent piezoelectric properties and a high Curie temperature are important for numerous electromechanical devices in a broad range of temperature environments. In this work, the relaxor ferroelectric Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub> end member was selected to be introduced into a BiScO<sub>3</sub>-PbTiO<sub>3</sub> high-temperature piezoelectric ceramic to reduce the dielectric loss and improve the piezoelectric properties while slightly reducing the Curie temperature. The phase structure and dielectric, ferroelectric and piezoelectric properties of 0.025Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-(0.975<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>−</mo></mrow></semantics></math></inline-formula><i>x</i>)BiScO<sub>3</sub>-<i>x</i>PbTiO<sub>3</sub> (0.60 ≤ <i>x</i> ≤ 0.63) ceramics were systematically analyzed, and the best electrical properties were observed in the morphotropic phase boundary region <i>x</i> = 0.61 with <i>d</i><sub>33</sub> = 370 pC/N, <i>k</i><sub>p</sub> = 44%, <i>P</i><sub>r</sub> = 33.9 μC/cm<sup>2</sup>. Importantly, no significant depolarization was observed in the <i>x</i> = 0.61 ceramic from room temperature to 290 °C, demonstrating its good thermal stability and potential applications in a wide range of temperature environments. |
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| spelling | doaj.art-418103c31b444c90a97a8a4dfd5f64412024-01-29T13:51:33ZengMDPI AGCrystals2073-43522024-01-011419110.3390/cryst14010091Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary CeramicsFan Zhang0Hua Hao1Minghe Cao2Zhonghua Yao3Shuai Fu4Hanxing Liu5State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaPiezoelectric ceramics with excellent piezoelectric properties and a high Curie temperature are important for numerous electromechanical devices in a broad range of temperature environments. In this work, the relaxor ferroelectric Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub> end member was selected to be introduced into a BiScO<sub>3</sub>-PbTiO<sub>3</sub> high-temperature piezoelectric ceramic to reduce the dielectric loss and improve the piezoelectric properties while slightly reducing the Curie temperature. The phase structure and dielectric, ferroelectric and piezoelectric properties of 0.025Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-(0.975<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>−</mo></mrow></semantics></math></inline-formula><i>x</i>)BiScO<sub>3</sub>-<i>x</i>PbTiO<sub>3</sub> (0.60 ≤ <i>x</i> ≤ 0.63) ceramics were systematically analyzed, and the best electrical properties were observed in the morphotropic phase boundary region <i>x</i> = 0.61 with <i>d</i><sub>33</sub> = 370 pC/N, <i>k</i><sub>p</sub> = 44%, <i>P</i><sub>r</sub> = 33.9 μC/cm<sup>2</sup>. Importantly, no significant depolarization was observed in the <i>x</i> = 0.61 ceramic from room temperature to 290 °C, demonstrating its good thermal stability and potential applications in a wide range of temperature environments.https://www.mdpi.com/2073-4352/14/1/91piezoelectrichigh temperaturecapacitorstability |
| spellingShingle | Fan Zhang Hua Hao Minghe Cao Zhonghua Yao Shuai Fu Hanxing Liu Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary Ceramics Crystals piezoelectric high temperature capacitor stability |
| title | Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary Ceramics |
| title_full | Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary Ceramics |
| title_fullStr | Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary Ceramics |
| title_full_unstemmed | Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary Ceramics |
| title_short | Piezoelectric Properties and Thermal Stability of Pb(Yb<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub>-BiScO<sub>3</sub>-PbTiO<sub>3</sub> Ternary Ceramics |
| title_sort | piezoelectric properties and thermal stability of pb yb sub 1 2 sub nb sub 1 2 sub o sub 3 sub bisco sub 3 sub pbtio sub 3 sub ternary ceramics |
| topic | piezoelectric high temperature capacitor stability |
| url | https://www.mdpi.com/2073-4352/14/1/91 |
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