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衬底温度对反应溅射ZnO:Al透明导电薄膜性能的影响

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摘要 衬底温度在反应溅射制备ZnO:Al薄膜过程中是一个重要的工艺参数,直接决定这薄膜的性能。本文用中频脉冲磁控溅射方法,采用锌铝合金(Al的含量为2%)靶,在衬底温度170℃,工作压力2.5mTorr,氧氩比3/18的条件下,制备了ZnO:Al薄膜,利用X射线衍射仪对薄膜的结构进行了分析,利用分光光度计和四探针法测量了薄膜的光学和电学性能,研究了制备薄膜时不同的衬底温度对薄膜的结构、电学、光学性能的影响,结果表明,随着衬底温度的升高,薄膜的电阻率先下降后上升,而可见光范围平均透过率在85%以上,当衬底温度为170℃,工作压力2.5mTorr,氧氩比3/18时,薄膜电阻率最低为2.16×10-4Ωcm,方块电阻30Ω时,在可见光光范围内平均透过率高于85%。
出处 《电子世界》 2013年第21期92-93,共2页 Electronics World
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