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STRUCTURAL STUDY OF DIAMOND FILM FORMED ON SILICON-WAFER BY HOT-FILAMENT CHEMICAL-VAPOR-DEPOSITION METHOD
被引:30
|作者:
YANG, J
[1
]
LIN, ZD
[1
]
WANG, LX
[1
]
JIN, S
[1
]
ZHANG, Z
[1
]
机构:
[1] CHINESE ACAD SCI,BEIJING LAB ELECTRON MICROSCOPY,BEIJING 100080,PEOPLES R CHINA
关键词:
D O I:
10.1063/1.112413
中图分类号:
O59 [应用物理学];
学科分类号:
摘要:
Very important evidence has been obtained by high-resolution cross-sectional electron microscopy (HREM) that diamond films prepared by the hot-filament chemical vapor deposition (HFCVD) method were grown epitaxially on the mirror-polished Si(100) substrate in a local area with surface biasing pretreatment. There is about a 7.3°angle between Si (100) and D(100) heteroepitaxial crystalline planes. The same type of twinnings (coherent twin boundaries of type, Σ=3) exist on and near the interface. High preferential oriented diamond films have been observed by scanning electron microscopy (SEM). From the discussion, the pretreatment of the substrate is a key factor for the heteroepitaxy of diamond on Si wafer. © 1994 American Institute of Physics.
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页码:3203 / 3205
页数:3
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