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https://hdl.handle.net/11147/15233
Title: | Effect of the Synthesis Method and Particle Size on Bczt Electrocaloric Properties | Authors: | Temel, Helin Avci, Tubanur Okatan, M. Baris Alkoy, Sedat Misirlioglu, I. Burc Mensur, Ebru |
Keywords: | [No Keyword Available] | Publisher: | Pergamon-elsevier Science Ltd | Abstract: | In this study, the electrocaloric properties of BCZT ceramics fabricated through different processing methods: solid-state and sol-gel were investigated. The calcination process was done for BCZT powders obtained by sol-gel process at 900 degrees C for 2 h and by solid-state calcination method at 1200 degrees C for 6 h. BCZT-SG ceramics exhibited higher Delta T values, particularly at lower temperatures (similar to 0 degrees C-20 degrees C), and a stronger response to the electric field, suggesting a more efficient domain structure due to sol-gel processing. Notably, BCZT-SGH samples demonstrated the most complex and pronounced electrocaloric behavior, with dual Delta T peaks around 0 degrees C and 50 degrees C, and the highest Delta T of 2.5 K at 80 kV/cm and 50 degrees C, surpassing values in the literature. Especially, high Delta T results at 0 degrees C allows using this material in the extreme conditions. These results emphasize the significant role of processing techniques in tailoring the structural, dielectric, and electrocaloric properties of BCZT ceramics for high-performance energy applications. | Description: | Avci, Tubanur/0000-0002-7289-1020; Okatan, Mahmut/0000-0002-9421-7846 | URI: | https://doi.org/10.1016/j.jpcs.2024.112512 | ISSN: | 0022-3697 1879-2553 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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