NEW INTERFACE STRUCTURE FOR A-TYPE COSI2/SI(111)

被引:15
作者
CHISHOLM, MF [1 ]
PENNYCOOK, SJ [1 ]
JEBASINSKI, R [1 ]
MANTL, S [1 ]
机构
[1] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM JULICH, INST SCHICHT & IONENTECHN, W-5170 JULICH 1, GERMANY
关键词
D O I
10.1063/1.111583
中图分类号
O59 [应用物理学];
学科分类号
摘要
A new model of a CoSi2/Si(111) interface structure has been generated using images produced by Z-contrast scanning transmission electron microscopy. The images indicate that the top and bottom interfaces between the type-A buried CoSi, layer and Si(111) both have eightfold coordinated Co atoms. This is accomplished by converting the one interface structure from sevenfold to eightfold coordination by locating a twinned layer of Si at the interface. The preference for this interface over the sevenfold type-A structure is in agreement with theoretical predictions.
引用
收藏
页码:2409 / 2411
页数:3
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