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Article

Effect of Thickness on Ferroelectric Properties of Bi3.25La0.75Ti3O12 Thin Films

by
Wenfeng Yue
1,
Yali Cai
2,
Quansheng Guo
2,
Dawei Wang
1,* and
Tingting Jia
2,*
1
School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
2
School of Materials Science and Engineering, Hubei University, Wuhan 430062, China
*
Authors to whom correspondence should be addressed.
Ceramics 2024, 7(1), 29-38; https://doi.org/10.3390/ceramics7010003
Submission received: 10 November 2023 / Revised: 30 December 2023 / Accepted: 4 January 2024 / Published: 6 January 2024
(This article belongs to the Special Issue Advances in Electronic Ceramics)
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Abstract

The pursuit of low-power/low-voltage operation in devices has prompted a keen interest in the mesoscale effects within ferroelectric thin films. The downsizing of ferroelectrics can significantly influence performance; for instance, the remanent polarization and coercive field are susceptible to alterations based on thickness. In this study, randomly oriented Bi3.25La0.75Ti3O12 thin films were fabricated on Pt/Ti/SiO2/Si substrates using the sol–gel method, and SEM observations revealed rod-like grains in all thin films. The investigation delved into the correlation between dielectric and ferroelectric properties with thin film thickness. The thin film exhibited an increased remanent polarization and a reduced coercive electric field. Additionally, the ferroelectric domain structure was scrutinized through PFM, and the resistor properties of the BLT4 thin film were studied, which shows the potential of BLT thin films in non-volatile memory and memristor.
Keywords: ferroelectric; Bi3.25La0.75Ti3O12; thickness; thin films ferroelectric; Bi3.25La0.75Ti3O12; thickness; thin films
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MDPI and ACS Style

Yue, W.; Cai, Y.; Guo, Q.; Wang, D.; Jia, T. Effect of Thickness on Ferroelectric Properties of Bi3.25La0.75Ti3O12 Thin Films. Ceramics 2024, 7, 29-38. https://doi.org/10.3390/ceramics7010003

AMA Style

Yue W, Cai Y, Guo Q, Wang D, Jia T. Effect of Thickness on Ferroelectric Properties of Bi3.25La0.75Ti3O12 Thin Films. Ceramics. 2024; 7(1):29-38. https://doi.org/10.3390/ceramics7010003

Chicago/Turabian Style

Yue, Wenfeng, Yali Cai, Quansheng Guo, Dawei Wang, and Tingting Jia. 2024. "Effect of Thickness on Ferroelectric Properties of Bi3.25La0.75Ti3O12 Thin Films" Ceramics 7, no. 1: 29-38. https://doi.org/10.3390/ceramics7010003

APA Style

Yue, W., Cai, Y., Guo, Q., Wang, D., & Jia, T. (2024). Effect of Thickness on Ferroelectric Properties of Bi3.25La0.75Ti3O12 Thin Films. Ceramics, 7(1), 29-38. https://doi.org/10.3390/ceramics7010003

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