fig7
Figure 7. Domain structures and energy storage properties of FE polymorphic domains by phase-field simulations. (A) BFO-BTO-STO polymorphic domain structure; (B) Energy storage density and efficiency. The figures are quoted with the permission from Pan et al.[27], copyright 2019, AAAS; (C) Simulations of domain structures and P-E loops at 200, 450, 800 and 1,100 K of Sm-BFO-BTO, showing FE, conventional RFE, SPE-RFE and PE features, respectively. The figure is quoted with the permission from Pan et al.[28], copyright 2021, AAAS. FE: Ferroelectric; BFO: BiFeO3; BTO: BaTiO3; STO: SrTiO3; RFE: relaxor ferroelectrics; SPE: superparaelectric; PE: paraelectric.
