综述了Sr Bi2Ta2O9的结构和性能研究进展,着重阐明化学组成、结晶取向、热处理条件、使用温度对SrBi2Ta2O9铁电性能的影响.结果表明,以Bi4Ti3O12作为过渡层,采用快速热处理法,Sr:Bi:Ta=0.8:2.2:2时,有助于提高SBT薄膜的剩余极化值,降低矫顽场强和电流漏损.
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