Investigation of electrical and electric energy storage properties of La -doped Na0.3 Sr0.4Bi0.3TiO3 based Pb-free ceramics
Source abstract
Abstract
Abstract Na0.3Sr0.4Bi0.3TiO3 with various concentrations in La modified ceramic specimens were fabricated using a traditional die-press process. All the obtained NBT-ST-xLa ceramics exhibited a typical perovskite structure with a single phase, and the grain sizes were found to be uniform and fine. The electric breakdown strength of the sample after La doping increased significantly. In particular, the ceramic electric breakdown strength of x = 0.02 component reached 190 kV/cm, the stored energy density reached 1.67 J/cm3, and the efficiency was stable and greater than 80%. In addition, the ceramic with x = 0.02 La also exhibited an excellent temperature, frequency stability, and good fatigue resistance. More specific and detailed analysis were conducted in this study.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Multiferroics and related materials · Microwave Dielectric Ceramics Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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