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材料工程  2003 

组分偏离对PMN-PT弛豫复合钙钛矿相合成的影响

Keywords: 钙钛矿相,焦绿石相,先驱体法,弛豫型铁电体

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Abstract:

采用先驱体法合成钙钛矿相0.67PMN-0.33PT。XRD物相分析表明,MgO和PbO适当的过量有利于合成纯钙钛矿相的0.67PMN-0.33PT。采用MgO过量2%~4%,PbO过量5%~7%,在低于PbO熔点温度下合成单一钙钛矿结构的0.67PMN-0.33PT。

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