Effects of disk rotation rate on the growth of ZnO films by low-pressure metal-organic chemical vapor deposition

被引:11
作者
Zhang, Panfeng [1 ]
Wei, Hongyuan [1 ]
Cong, Guangwei [1 ]
Hu, Weiguo [1 ]
Fan, Haibo [1 ]
Wu, JieJun [1 ]
Zhu, Qinsheng [1 ]
Liu, Xianglin [1 ]
机构
[1] Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
基金
中国国家自然科学基金;
关键词
X-ray diffraction; metal-organic chemical vapor deposition; zinc oxide; structural properties;
D O I
10.1016/j.tsf.2007.05.001
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
ZnO films were grown at low pressure in a vertical metal-organic vapor deposition (MOCVD) reactor with a rotating disk. The structural and morphological properties of the ZnO films grown at different disk rotation rate (DRR) were investigated. The growth rate increases with the increase of DRR. The ZnO film grown at the DRR of 450 revolutions per minute (rpm) has the lowest X-ray rocking curve full width at half maximum and shows the best crystalline quality and morphology. In addition, the crystalline quality and morphology are improved as the DRR increased but both are degraded when the DRR is higher than 450 rpm. These results can help improve in understanding the rotation effects on the ZnO films grown by MOCVD. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:925 / 928
页数:4
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