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Abstract:
采用射频磁控溅射在石英玻璃和单晶硅Si(100)衬底上制备了ZnO薄膜,研究了衬底温度对ZnO薄膜中氧缺陷的影响.实验发现,ZnO薄膜c轴取向性随温度的升高而增强;当衬底温度达到550 °C时,XRD谱上仅出现一个强的(002)衍射峰和一个弱的(004)衍射峰,显示ZnO具有优异c轴取向性.同时,随着温度的升高,ZnO薄膜的紫外透射截止边带向高波长方向漂移,其电导率也随衬底温度的升高逐渐增大,表明薄膜中的氧缺陷逐渐增多.这种氧缺陷是由于ZnO的氧平衡分压高于Zn所致,可通过提高溅射气体中氧含量来改善.
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压电与声光
ISSN: 1004-2474
Year: 2004
Issue: 4
Volume: 26
Page: 318-320
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 12
Chinese Cited Count:
30 Days PV: 6
Affiliated Colleges: