BiFeO3 Ceramics: Structure–Property Relationships and Doping Strategies
- 1Omnics Research Group, Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Institute of Nanotechnology CNR-Nanotec, INFN Sezione di Lecce, Via per Monteroni, 73100 Lecce, Italy
- 2Dipartimento di Fisica “E. Pancini”, University of Naples “Federico II”, Complesso Monte Sant’Angelo, Via Cinthia, 80126 Napoli, Italy
- 3Department of Materials Science, University of Milano Bicocca, 20126 Milan, Italy
Abstract
Bismuth ferrite (BiFeO3, BFO) is a lead-free perovskite that combines robust ferroelectricity and antiferromagnetism at room temperature, making it one of the most extensively studied room-temperature multiferroics for spintronics, sensors, and multifunctional devices. In bulk ceramics, however, Bi volatility, oxygen-vacancy-driven leakage, and parasitic phases complicate synthesis and obscure intrinsic ferroic response. This review critically revisits the fundamental physical properties of bulk BiFeO3 ceramics by elucidating the relationships between crystal structure, defect chemistry, processing, and ferroic functionalities. Particular emphasis is placed on the evolution of the understanding of the intrinsic ferroelectric, magnetic, dielectric, and magnetoelectric properties of bulk BiFeO3, highlighting the landmark experimental and theoretical studies that have shaped the current picture of this material. The review further examines A-site (Bi) and B-site (Fe) substitutions and selected co-doping strategies, assessing how they modify structural stability and ferroic behavior. Finally, representative performance benchmarks for undoped and doped bulk ceramics are compared, and the remaining challenges toward achieving reproducible room-temperature magnetoelectric functionality are critically discussed. Overall, this review provides a unified framework linking crystal chemistry, processing methods, microstructure, doping engineering, and ferroic functionalities, offering practical guidelines for the rational design of high-performance BiFeO3-based bulk ceramics for next-generation multifunctional devices.
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BibTeX
@article{aziz2026bifeo3,
title = {{BiFeO3 Ceramics: Structure–Property Relationships and Doping Strategies}},
author = {Saba Aziz and Ritu Rawat and Silvia Rizzato and Angelo Leo and Gabriella Maria De Luca and Shahid Khalid and Sourav Kuila and Giuseppe Maruccio and Anna Grazia Monteduro},
journal = {Nanomaterials (Basel, Switzerland)},
year = {2026},
month = sep,
doi = {10.3390/nano16191231},
url = {https://europepmc.org/article/PMC/PMC13666871},
note = {CC BY},
}
RIS
TY - JOUR
TI - BiFeO3 Ceramics: Structure–Property Relationships and Doping Strategies
AU - Saba Aziz
AU - Ritu Rawat
AU - Silvia Rizzato
AU - Angelo Leo
AU - Gabriella Maria De Luca
AU - Shahid Khalid
AU - Sourav Kuila
AU - Giuseppe Maruccio
AU - Anna Grazia Monteduro
PY - 2026
DA - 2026/09/30
JO - Nanomaterials (Basel, Switzerland)
DO - 10.3390/nano16191231
UR - https://europepmc.org/article/PMC/PMC13666871
AB - Bismuth ferrite (BiFeO3, BFO) is a lead-free perovskite that combines robust ferroelectricity and antiferromagnetism at room temperature, making it one of the most extensively studied room-temperature multiferroics for spintronics, sensors, and multifunctional devices. In bulk ceramics, however, Bi volatility, oxygen-vacancy-driven leakage, and parasitic phases complicate synthesis and obscure intrinsic ferroic response. This review critically revisits the fundamental physical properties of bulk BiFeO3 ceramics by elucidating the relationships between crystal structure, defect chemistry, processing, and ferroic functionalities. Particular emphasis is placed on the evolution of the understanding of the intrinsic ferroelectric, magnetic, dielectric, and magnetoelectric properties of bulk BiFeO3, highlighting the landmark experimental and theoretical studies that have shaped the current picture of this material. The review further examines A-site (Bi) and B-site (Fe) substitutions and selected co-doping strategies, assessing how they modify structural stability and ferroic behavior. Finally, representative performance benchmarks for undoped and doped bulk ceramics are compared, and the remaining challenges toward achieving reproducible room-temperature magnetoelectric functionality are critically discussed. Overall, this review provides a unified framework linking crystal chemistry, processing methods, microstructure, doping engineering, and ferroic functionalities, offering practical guidelines for the rational design of high-performance BiFeO3-based bulk ceramics for next-generation multifunctional devices.
SN - 2079-4991
ER -