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化学溶液法制备Pb(Zr_(0.52)Ti_(0.48))O_3-CoFe_2O_4复合薄膜及其电极

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Abstract:

以硝酸镧和醋酸镍为原料,利用化学溶液法在硅基底上制备了具有良好导电性的LaNiO3(LNO)薄膜。以醋酸铅、硝酸氧锆、钛酸丁酯、硝酸铁、醋酸钴为原料,合成了Pb(Zr0.52Ti0.48)O3-CoFe2O4(PZT-CFO)溶液,并在LNO/Si薄膜上制备了PZT-CFO复合薄膜。通过X射线衍射、扫描电镜和电-磁测试研究了PZT-CFO复合薄膜的相结构、表面形貌、铁磁和铁电性能。结果表明钙钛矿结构的PZT相和尖晶石结构的CFO相以纳米晶形式共存于PZT-CFO复合薄膜中,无其他杂相产生。750℃煅烧1h的PZT-CFO复合薄膜的剩余极化强度达6μC/cm2,剩余磁化强度可达20kA/m,表现出良好的铁磁、铁电双重特性。

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