The mechanism of heavy injection of electric charges to realize linear strain behavior of textured PMN–24%PT ceramics combined with Pt grains

Hao, Mengmeng; Fan, Guifen; Cai, Wei; Zhou, Chuang; Zeng, Fangfang; Wang, Fei; Zhang, Jianjia; Guo, Hui; Chen, Yuxin; Lv, Wei; Yan, Xiaobing

doi:10.1016/j.jeurceramsoc.2022.02.015

Cited by 9 publications

(6 citation statements)

References 51 publications

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“…The ratio of the strain values difference Δ at 1/2E max to the maximum strain is often used to define strain hysteresis (H s ). 40 The H s decreases from ∼21.1% for untextured to ∼17.2% for textured ceramics. Figure 5(C) gives the piezoelectric strain coefficient (d 33 *) of two ceramics at different electric field.…”

Section: Resultsmentioning

confidence: 91%

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Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO₃‐PbTiO₃ high‐temperature piezoelectric ceramics

et al. 2023

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[001] textured 0.40BiScO3‐0.60PbTiO3‐0.125 mol%Nb5+ (BS‐60PT‐0.125Nb) high‐temperature piezoelectric ceramics were synthesized using templated grain growth process. A high texture degree F001 of 99% was obtained using 2 vol% BaTiO3 (BT) templates. The piezoelectric charge constant d33 and the unipolar strain under 40 kV cm−1 at room temperature for the textured ceramics are 646 pC N−1 and 0.36%, respectively, which is over two times as those for untextured ceramics (∼243 pC N−1 and 0.17%). The electrostriction Q33 value of the textured sample remarkably increased from 0.034 m4 C−2 to 0.068 m4 C−2 under 30 kV cm−1, showing a twice higher than untextured. Compared with random ceramics, the improvement piezoelectric response of the textured ceramics is primarily attributed to the increase of the dielectric constant εr and electrostriction coefficient Q33 along [001] orientation, which is originating from the anisotropy of piezoelectricity. The BS‐60PT‐0.125Nb textured ceramics have large piezoelectric response and ultrahigh electrostriction with high temperature stability (high depolarization temperature Td of ∼360°C and high Curie temperature Tc of 421°C), showing great potential for the piezoelectric applications at high temperatures.

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Section: Resultsmentioning

confidence: 91%

“…The maximum unipolar strain of untextured ceramics is 0.17%, while textured ceramics reaches 0.36% at 40 kV cm −1 . The ratio of the strain values difference Δ at 1/2 E max to the maximum strain is often used to define strain hysteresis ( H s ) 40 . The H s decreases from ∼21.1% for untextured to ∼17.2% for textured ceramics.…”

Section: Resultsmentioning

confidence: 99%

Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO₃‐PbTiO₃ high‐temperature piezoelectric ceramics

et al. 2023

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“…Li et al. have proved the Sm 3+ substitute Pb 2+ at the A site can reduce the oxygen vacancy concentration, thereby improving the dielectric and ferroelectric properties 11,12,15–19 . On the other hand, Mn‐doped can refine the grains, decrease the leakage current, and improve the remanent polarization 20–24 .…”

Section: Introductionmentioning

confidence: 99%

Sm and Mn doped enhancing the electrical properties of .68PMN–.32PT relaxor ferroelectric thin films

Chen,

Zhao,

Jiang

et al. 2024

Int J Applied Ceramic Tech

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Abstract(1−x)Pb(Mg1/3Nb2/3)O3–xPbTiO3 (PMN–PT) has attracted attention due to its excellent electrical properties as a typical relaxor ferroelectric material. High‐quality Mn–Sm co‐doped 0.68PMN–0.32PT thin films were synthesized on the Pt/Ti/SiO2/Si substrates by sol–gel based on spin coating method. The results show that 1 mol% Mn–2 mol% Sm co‐doped PMN–PT thin films have high dielectric constant (εr ∼ 1895) and relatively low dielectric loss (tanδ ∼ .039) at 1 kHz. They also show superior ferroelectric polarization (Pmax ∼ 53.71 μC/cm2, Pr ∼ 30.85 μC/cm2) and high dielectric breakdown strength (∼1656.6 kV/cm), which are primarily due to the low leakage current density (∼10−7 A/cm2). This work suggests a practical approach to enhance the dielectricity, piezoelectricity, and ferroelectricity of PMN–PT thin films.

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“…Numerous investigations on PMN-xPT solid solutions concentrate on values for x that range from 0.28 to 0.35, which are near to the so-called "morphotropic phase boundary" (MPB). 1,[7][8][9][10][11][12] Because of the lowering of the free energy barrier at the MPB, tetragonal and rhombohedral phases coexist there, which results in extremely strong piezoelectricity. 5 It was discovered that PMN-0.33PT single crystals have extraordinary piezoelectric properties, such as a longitudinal piezoelectric constant that is greater than 2500 pC/N and an electromechanical coupling coefficient that is greater than 90%.…”

Section: Introductionmentioning

confidence: 99%

“…This system is made up of a relaxor ferroelectric (RFE) PMN and a normal ferroelectric PT. Numerous investigations on PMN‐ x PT solid solutions concentrate on values for x that range from 0.28 to 0.35, which are near to the so‐called “morphotropic phase boundary” (MPB) 1,7–12 . Because of the lowering of the free energy barrier at the MPB, tetragonal and rhombohedral phases coexist there, which results in extremely strong piezoelectricity 5 .…”

Section: Introductionmentioning

confidence: 99%

Phase evolution and strong temperature‐dependent electrostrictive effect in (1−x)Pb(Mg_1/3Nb_2/3)O₃‐xPbTiO₃ solid solutions

et al. 2023

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(1−x)Pb(Mg1/3Nb2/3)‐xPbTiO3 (PMN‐xPT) ceramics with x ranging from 0.1 to 0.3 were synthesized by solid‐state reaction method. X‐ray diffraction, dielectric and ferroelectric property characterizations were systematically investigated. As x rises, the PMN‐xPT transitions from a cubic to a rhombohedral phase, resulting in an enhancement in ferroelectricity. Our findings show that the electrostrain and longitudinal electrostrictive coefficient Q33 both increase and then decrease within a critical region located between the depolarization temperature TFR and Tm (corresponding to the maximum permittivity), demonstrating strong temperature‐dependent characteristics. In x = 0.2, the maximum Q33 of 0.0361 m4/C2 is obtained, and a phase diagram of studied system is built. Our findings not only shed light on the phase evolution in this system but also reveal a strong temperature‐dependent electrostrictive effect that can be used to improve electrostrains in PMN‐based solid solutions if the critical region can be regulated to a suitable temperature region using engineering strategies.

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The mechanism of heavy injection of electric charges to realize linear strain behavior of textured PMN–24%PT ceramics combined with Pt grains

Cited by 9 publications

References 51 publications

Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO₃‐PbTiO₃ high‐temperature piezoelectric ceramics

Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO₃‐PbTiO₃ high‐temperature piezoelectric ceramics

Sm and Mn doped enhancing the electrical properties of .68PMN–.32PT relaxor ferroelectric thin films

Phase evolution and strong temperature‐dependent electrostrictive effect in (1−x)Pb(Mg_1/3Nb_2/3)O₃‐xPbTiO₃ solid solutions

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The mechanism of heavy injection of electric charges to realize linear strain behavior of textured PMN–24%PT ceramics combined with Pt grains

Cited by 9 publications

References 51 publications

Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO3‐PbTiO3 high‐temperature piezoelectric ceramics

Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO3‐PbTiO3 high‐temperature piezoelectric ceramics

Sm and Mn doped enhancing the electrical properties of .68PMN–.32PT relaxor ferroelectric thin films

Phase evolution and strong temperature‐dependent electrostrictive effect in (1−x)Pb(Mg1/3Nb2/3)O3‐xPbTiO3 solid solutions

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Product

Resources

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Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO₃‐PbTiO₃ high‐temperature piezoelectric ceramics

Achieving large piezoelectric response and ultrahigh electrostriction in [001] textured BiScO₃‐PbTiO₃ high‐temperature piezoelectric ceramics

Phase evolution and strong temperature‐dependent electrostrictive effect in (1−x)Pb(Mg_1/3Nb_2/3)O₃‐xPbTiO₃ solid solutions