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In article number 1706211, Weili Li, Weidong Fei, and co‐workers design a dielectric capacitor with opposite double‐heterojunction ferroelectrics‐insulator‐ferroelectrics configuration for energy storage. This novel configuration enhances the electric breakdown strength and energy storage density of PbZr0.52Ti0.48O3/Al2O3/PbZr0.52Ti0.48O3 heterojunction films. High energy storage efficiency and linear...
In this study, the excellent energy storage performance is achieved by constructing opposite double‐heterojunction ferroelectricity–insulator–ferroelectricity configuration. The PbZr0.52Ti0.48O3 films and Al2O3 films are chosen as the ferroelectricity and insulator, respectively. The microstructures, polarization behaviors, breakdown strength, leakage current density, and energy storage performance...
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