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采用大气开放式金属有机化合物化学气相沉积(A-MOCVD)的方法,在普通多晶黄铜基片上制备ZnO薄膜.薄膜的SEM、XRD结果表明ZnO沿C轴取向垂直生长在基片上.综合分析ZnO自身晶体生长习性,提出了ZnO薄膜在普通多晶铜表面的生长模型.并将ZnO薄膜制备成压电双晶片元件,在光学显微镜下能观察到元件尖端产生了很大的位移量,结果表明高定向性ZnO薄膜具有优异的压电特性.该压电器件使得传统的小变形双晶片元件的数学模型失效,有必要建立新型大变形双晶片物理、数学模型.

参考文献

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