MICROSTRUCTURES OF CO/CR BILAYER FILMS EPITAXIALLY GROWN ON MGO SINGLE-CRYSTAL SUBSTRATES

被引:34
作者
NAKAMURA, A
KOGUCHI, M
FUTAMOTO, M
机构
[1] Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1995年 / 34卷 / 5A期
关键词
CO; CR; MGO; EPITAXIAL GROWTH; BICRYSTAL; SINGLE-CRYSTAL; HIGH-RESOLUTION TRANSMISSION ELECTRON MICROSCOPY; MAGNETIC RECORDING MEDIA;
D O I
10.1143/JJAP.34.2307
中图分类号
O59 [应用物理学];
学科分类号
摘要
Microstructures of Co/Cr bilayer films epitaxially grown on MgO (100) and (110) single-crystal substrates have been studied by high-resolution transmission electron microscopy. The bicrystalline Co layer formed on the MgO (100) substrate contains a number of (0001) stacking faults. The single-crystal Co layer formed on the MgO (110) substrate consists of slightly misoriented subgrains, grown on (211)-oriented Cr domains. Dislocations and lattice strain are observed at the Cr/MgO (110) interface. The misorientations and the defects are thought to be introduced to accommodate the large lattice mismatch of about -16% in the MgO [$($) over bar$$ 110] direction at the Cr/MgO (110) interface.
引用
收藏
页码:2307 / 2311
页数:5
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