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Multiferroic bismuth ferrite (BiFeO3, BFO) is one of the most promising high-temperature ferroelectric and piezoelectric materials due to a high Curie temperature (TC∼830°C) if the enhancement of ferroelectricity and piezoelectricity can be realized. In this work, we introduced La (x=0.05–0.30) to BFO to change its crystal structure and obtained an enhanced Rhombohedral structure. The high pure La...
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