Effect of Pr3+ doping on relaxation behavior and strain response of PHT-based piezoelectric ceramics

Deng, Yushan; Ouyang, Xi; Yao, Manwen; Yao, Xi

doi:10.1016/j.ceramint.2024.04.428

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.04.428

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Effect of Pr3+ doping on relaxation behavior and strain response of PHT-based piezoelectric ceramics

Yushan Deng,

Xi Ouyang,

Manwen Yao

et al.

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Cited by 2 publications

References 48 publications

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Significantly enhanced piezoelectric properties in PMN-PT transparent ceramics by Sm/Pr co-doping

Gao,

Wang,

Tian

et al. 2025

Journal of Alloys and Compounds

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Significantly enhanced piezoelectric properties in PMN-PT transparent ceramics by Sm/Pr co-doping

Gao,

Wang,

Tian

et al. 2025

Journal of Alloys and Compounds

View full text Add to dashboard Cite

Improvement of piezoelectric properties of PZT‐based low‐temperature‐sintered ceramics through heterovalent ion doping

Liu,

Luo,

Chen

et al. 2024

J Am Ceram Soc.

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The piezoelectric properties of Pb(Zr,Ti)O3 (PZT)‐based piezoceramics can be improved by doping with heterovalent ions at the A/B sites. Nd3+ ions were codoped at the A site and Ta5+ ions were doped into the B site of Pb(Zr0.5Ti0.5)(Mg0.5W0.5)(Ni1/3Nb2/3)O3 (xNd2O3‐PZTMWNN) ceramics sintered at a low temperature of 940°C. The number of Ta5+ ions at site B remained constant, whereas the number of Nd3+ ions at site A changed. The degree of deviation from the Curie–Weiss law (∆Tm) and the degree of diffuseness of the ferroelectric relaxors (γ) have a direct and close relationship. Combined analysis of the grain size, phase structure, domain structure, and activation energy (Ea) for domain wall movement was used to understand the mechanism of the piezoelectric improvement in PZT‐based ceramics. The high proportion of the tetragonal phase in the coexisting tetragonal–rhombohedral phases is closely related to the low Ea, which promotes domain rotation and leads to high piezoelectricity. The xNd2O3–PZTMWNN (x = 2.0, 2.5) ceramics have a very low Ea, but the clamping effect caused by the fine grain boundaries hinders the motion of the domain wall. The xNd2O3–PZTMWNN (x = 1.0) ceramics with low Ea, striped nanodomains, and large grains exhibited the highest piezoelectric activity.

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Effect of Pr3+ doping on relaxation behavior and strain response of PHT-based piezoelectric ceramics

Cited by 2 publications

References 48 publications

Significantly enhanced piezoelectric properties in PMN-PT transparent ceramics by Sm/Pr co-doping

Significantly enhanced piezoelectric properties in PMN-PT transparent ceramics by Sm/Pr co-doping

Improvement of piezoelectric properties of PZT‐based low‐temperature‐sintered ceramics through heterovalent ion doping

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