采用射频磁控溅射技术在室温淀积、其后在700℃下退火10min,制备了(Pb,La)TiO3(简记为PLT)铁电薄膜.利用XRD研究了薄膜的结晶性;利用XPS研究了薄膜表面的化学成分、组分以及表面原子的化学价态;利用SEM研究了薄膜的断面.薄膜结构分析结果表明,在一定的制备工艺条件下,薄膜制备时间的长短对薄膜结晶性能的影响不大;XPS波谱分析表明,所测得的元素有Pb、La、Ti、O和C,其中C元素是薄膜在制备或测试过程中的污染,薄膜中没有其它杂质元素;由断面的SEM分析可知,在本论文采用的制备工艺条件下,薄膜与基底之间基本上没有互扩散,薄膜与基底的界面比较清楚.
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