摘要:用sol-gel方法在LaNiO3包覆的Si衬底上制备了(010)择优取向的BiFeO3以及Bi0.95La0.05FeO3薄膜,XRD分析结果表明,通过La的掺杂BiFeO3的择优取向度由77.0%增加到96.6%;铁电性的测试表明,通过La掺杂,使薄膜的介电性和铁电性得到了增强,剩余极化强度由0.15×10-6 C/cm2增加到0.2×10-6 C/cm2.
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