PZT薄膜的结晶特性及红外特性

Journal of Shanghai Normal University(Natural Sciences)(2008)

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Abstract
采用电子束蒸发方法在n-Si(100)衬底上制备Pb(zrxTi1-x)O3(简记为PZT)多晶薄膜.用X射线衍射分析了PZT薄膜的结晶择优取向与Zr/Ti成分比、生长温度、退火气氛和退火温度的关系.结果表明不同Zr/Ti比的薄膜在真空中退火都形成(110)择优取向;而在空气中退火后薄膜的择优方向与Zr/Ti成分比有关,Zr/Ti比值小时为(101)择优取向,Zr/Ti大时为(100)择优取向.红外吸收光谱的测量结果表明(100)和(11O)择优取向的PZT薄膜在长红外波段(8~12 um)存在较强的吸收峰,而(101)择优取向的PZT薄膜在这一波段没有明显的吸收峰.
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Key words
infrared absorption spectrum,XRD,PZT
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