Elimination of rotation domains in ZnO thin films on c-plane Al2O3 substrates

被引:15
|
作者
Trautnitz, Tina [1 ]
Sorgenfrei, Ralf [1 ]
Fiederle, Michael [1 ]
机构
[1] Univ Freiburg, Freiburger Mat Forschungszentrum, D-79104 Freiburg, Germany
关键词
Rotation domains; Characterization; X-ray diffraction; Molecular beam epitaxy; Zinc oxide; SAPPHIRE SUBSTRATE; EPITAXY; GROWTH;
D O I
10.1016/j.jcrysgro.2009.12.011
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Epitaxial zinc oxide layers were grown by plasma-enhanced molecular beam epitaxy (P-MBE) on Al2O3 substrates. The zinc oxide films grown on c-plane (0 0 1) Al2O3 showed the formation of well-known 30 degrees rotation domains. By variation of the growth parameters, basically the II/VI ratio, the formation of rotation domains was successful suppressed and the expected relationships between substrate and film shaped. The influence of other growth parameters, such as growth temperature and film thickness, on the formation of rotation domains was found to be insignificant. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:624 / 627
页数:4
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