Research Article
Influence of Crystallization Time on Energy-Storage Density and Efficiency of Lead-Free Bi0.5(Na0.8K0.2)0.5TiO3 Thin Films
Figure 5
(a) Schematic diagram for the calculation of energy-storage properties of ferroelectric films, (b) energy-storage density (), energy loss density (), and energy-storage efficiency (η) of BNKT films at applied electric field of 400 kV/cm.