退火处理对铅基弛豫型铁电体介电、压电性能的影响

Abstract

Abstract: After thermal annealing, dielectric and piezoelectric properties of lead-based ferroelectric ceramics increase apparently. In PMN-PT system, E=37200, k_p=66% d₃₃=530pC/N were obtained;in PZN-PT-BT system, m=29000, k_p=51% d₃₃ =624pC/N were obtained. Thermal annealing isa good way to improve the dielectric and piezoelectric properties of lead-based ferroelectric ceramics, and this effect can be attributed to the grain boundary layer and domain wall motion in thesematerials.

Key words: thermal annealing, relaxor ferroelectrics, dielectric and piezoelectric properties

CLC Number:

TN304

XIA Feng,YAO Xi. 退火处理对铅基弛豫型铁电体介电、压电性能的影响
[J]. Journal of Inorganic Materials.

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退火处理对铅基弛豫型铁电体介电、压电性能的影响

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