Domain structure of epitaxial SrRuO3 thin films on miscut (001) SrTiO3 substrates

被引：88
|
作者：
Jiang, JC [1 ]
Tian, W
Pan, XQ
Gan, Q
Eom, CB
机构：
[1] Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA
[2] Duke Univ, Dept Mech Engn & Mat Sci, Durham, NC 27708 USA
来源：
APPLIED PHYSICS LETTERS | 1998年 / 72卷 / 23期
关键词：
D O I：
10.1063/1.121508
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The microstructure of epitaxial SrRuO3 thin films grown on vicinal (001) SrTiO3 substrates with miscut angle of 1.9 degrees and miscut direction of 12 degrees away from [100] direction was studied using transmission electron microscopy (TEM). Cross-section as well as plan-view TEM studies revealed that these films are single domain with the in-plane epitaxial orientation relationship of SrRuO3[001]//SrTiO3[010] and SrRuO3[(1) over bar 10]//SrTiO3[100]. This result is in contrast to the previous studies of the SrRuO3 thin films grown on exactly (001) SrTiO3, which are composed of two types of [110] domains with nearly the same volume fraction. The occurrence of these different domain structures is attributed to the step-flow growth of the film on the substrate surface due to the miscut. (C) 1998 American Institute of Physics.
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收藏
页码：2963 / 2965
页数：3
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