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BiFeO_3掺杂改性铌酸钾钠无铅压电陶瓷

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Abstract:

采用传统固相法制备了(1–x)(K0.5Na0.5)NbO3-xBiFeO3[(1–x)KNN-xBF]无铅压电陶瓷,研究了不同BF含量(x=0,0.175%,0.5%,1%,2%,3%,摩尔分数)样品的物相组成、显微结构及电性能。结果表明当x≤3%时,得到了纯钙钛矿结构的(1–x)KNN-xBF陶瓷。与纯KNN相比,在0

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