Ferroelectric to relaxor crossover in Zr-doped BaTiO3-based ceramics and its consequences for the Electrocaloric Effect

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This is a Experimental Study study.

Oguz Akkasoglu; Merve Karakaya; Nikola Novak; Lovro Fulanović; Umut Adem

doi:10.1039/d5tc01697e

January 1, 2025Journal of Materials Chemistry C

Ferroelectric to relaxor crossover in Zr-doped BaTiO3-based ceramics and its consequences for the Electrocaloric Effect

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Key Points

Electrocaloric effects in NBT-substituted BaTiO3 significantly arise from ferroelectric phase transitions.
The narrow phase transition range limits the temperature efficiency for practical applications.
Zr-doping facilitates crossover from ferroelectric to relaxor properties, enhancing electrocaloric potential.
Understanding these transitions is crucial for optimizing materials in electrocaloric applications.

Implication

This research demonstrates the electrocaloric effect in BaTiO3 ceramics, suggesting that phase transition characteristics significantly influence performance.

Abstract

Na0.5Bi0.5TiO3 (NBT)-substituted BaTiO3 (BT)-rich solid solutions demonstrate significant electrocaloric effects owing to the first-order nature of their ferroelectric phase transition. However, their narrow phase transition range and relatively high transition...

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Cite This Study

Akkasoglu et al. (2025) studied this question.

synapsesocial.com/papers/68d454bb31b076d99fa59c5e https://doi.org/10.1039/d5tc01697e

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Ferroelectric to relaxor crossover in Zr-doped BaTiO3-based ceramics and its consequences for the Electrocaloric Effect

Key Points

Implication

Abstract

Discussion

Cite This Study

Ferroelectric to relaxor crossover in Zr-doped BaTiO3-based ceramics and its consequences for the Electrocaloric Effect

Key Points

Implication

Abstract

Discussion

Cite This Study

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