Narrow Results

A wet solid-state method was used in this work to produce ${\mathrm{\text{Ba}}}_{0.97}{\mathrm{\text{Bi}}}_{0.02}{\mathrm{\text{TiO}}}_3$–${\mathrm{\text{Ba}}}_{1-x}{\mathrm{\text{Mg}}}_x{\mathrm{\text{Sn}}}_{0.02}{\mathrm{\text{Ti}}}_{0.98}{\mathrm{\text{O}}}_3$ materials. By using core-shell structure nanocubic ${\mathrm{\text{Ba}}}_{1-x}{\mathrm{\text{Mg}}}_x{\mathrm{\text{Sn}}}_{0.02}{\mathrm{\text{Ti}}}_{0.98}{\mathrm{\text{O}}}_3$ (BMST) decorated ${\mathrm{\text{Ba}}}_{0.97}{\mathrm{\text{Bi}}}_{0.02}{\mathrm{\text{TiO}}}_3$ (BBT) assemblies, a composite capacitor with improved dielectric constant and enhanced breakdown strength was successfully fabricated in contrast with the composite ferroelectric ${\mathrm{\text{Ba}}}_{0.97}{\mathrm{\text{Bi}}}_{0.02}{\mathrm{\text{TiO}}}_3$–${\mathrm{\text{BaSn}}}_{0.02}{\mathrm{\text{Ti}}}_{0.98}{\mathrm{\text{O}}}_3$ (BBT–BST) ceramic. With increasing Mg content, the ceramic capacitors display a stronger performance in its dielectric behavior. The best dielectric properties were obtained in the composition $x$ = 0.007 with the dielectric constant above 65,000. The dielectric strength of the ceramics was measured by a withstanding voltage tester. The best dielectric strength was achieved in the composition $x$ = 0.007 with $E$ = 5.455 kV/mm.