用Pb(NO3)2、ZrOCl28H2O(或Zr(NO3)4·5H2O)与TiO2在160℃反应4 h生成PZT纳米材料.对制备的PZT纳米材料进行了XRD、TEM、SEM、XRF及热分析研究.生成的PZT晶粒为大小均匀的球形颗粒,平均直径为5～10nm,这些纳米颗粒团聚成规则的方形.通过调节反应条件可改变PZT产物的形貌,得到PZT的片或棒.并对水热反应PZT纳米材料晶体生长的机制进行了探讨.对PZT纳米粉体制备的块体材料进行了烧结和介电性能研究.其烧结温度大大降低,在1150℃即可烧结成瓷,样品收缩率为9.3%.烧结后PZT的晶粒形貌与烧结温度有关.其介电性能随频率的稳定性好.
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