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0–3 type Bi3TaTiO9:40wt%BiFeO3 composite with improved high-temperature piezoelectric properties

Qaiser, Muhammad Adnan ; Hussain, Ahmad ; Zhang, Ji ; Wang, Yaojin ; Zhang, Shantao ; Chen, Lang ; Yuan, Guoliang

Journal of alloys and compounds, 2018-04, Vol.740, p.1-6 [Periódico revisado por pares]

Lausanne: Elsevier B.V

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Título:
0–3 type Bi3TaTiO9:40wt%BiFeO3 composite with improved high-temperature piezoelectric properties
Autor: Qaiser, Muhammad Adnan ; Hussain, Ahmad ; Zhang, Ji ; Wang, Yaojin ; Zhang, Shantao ; Chen, Lang ; Yuan, Guoliang
Assuntos: 0–3 type composite ; Annealing ; Bi3TaTiO9 ; BiFeO3 ; Bismuth ferrite ; Composite materials ; Coupling coefficients ; Curie temperature ; Dielectric properties ; High resistance ; High temperature ; High-temperature piezoelectric ; Matrix ; Piezoelectricity ; Studies
É parte de: Journal of alloys and compounds, 2018-04, Vol.740, p.1-6
Descrição: The 0–3 type Bi3TaTiO9:xwt%BiFeO3 composites are fabricated by embedding the isolated BiFeO3 (BFO) grains in the Bi3TaTiO9 (BTTO) matrix to acquire the merits of both materials, i.e. high piezoelectric d33 of BFO and high resistance of BTTO at high temperature. Bi3TaTiO9:40wt%BiFeO3 composite shows the high resistance of ∼1010 Ω, the large saturated polarization of 33.7 μC/cm2, the high piezoelectric d33 of 24 pC/N, the large electromechanical coupling coefficients and high Curie temperature (TC > 800 °C). Most importantly, the composite maintains a very high resistance even at 500 °C and the d33 of 21 pC/N after annealing at 600 °C. In a word, the 0–3 type composite shows much better high-temperature piezoelectric performances than those of either BFO or BTTO and it is promising to be used in high-temperature piezoelectric devices. •BiFeO3 grains are embedded in the Bi3TaTiO9 matrix in the 0–3 type composite.•High-temperature piezoelectric properties are improved at 20–500 °C.•The composite maintains the strong piezoelectric response at 20–500 °C.
Editor: Lausanne: Elsevier B.V
Idioma: Inglês

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0–3 type Bi3TaTiO9:40wt%BiFeO3 composite with improved high-temperature piezoelectric properties

Qaiser, Muhammad Adnan ; Hussain, Ahmad ; Zhang, Ji ; Wang, Yaojin ; Zhang, Shantao ; Chen, Lang ; Yuan, Guoliang

Lausanne: Elsevier B.V

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