采用NaCl-KCl熔盐法成功地制备了单一钙钛矿相结构的0.8PMN-0.2PT陶瓷,并详细研究了添加过量PbO和过量MgO对0.8PMN-0.2PT陶瓷样品的相结构和介电性能的影响.结果表明:过量PbO和过量MgO都能抑制和消除焦绿石相,并提高陶瓷的介电常数,但过量MgO的效果更好.
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