Cross-sectional high-resolution transmission electron microscope study of heteroepitaxial diamond film grown on Pt substrate

被引:7
作者
Zhou, GF
Tarutani, M
Takai, Y
Shimizu, R
机构
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1997年 / 36卷 / 4A期
关键词
heteroepitaxy; diamond; platinum; graphite; interface; nucleation; high-resolution transmission electron microscopy;
D O I
10.1143/JJAP.36.2298
中图分类号
O59 [应用物理学];
学科分类号
摘要
Heteroepitaxial diamond film grown on Pt(111) was studied ty cross-sectional high-resolution transmission electron microscopy (HRTEM). It is found Chat the interface has a complicated structure including a thick layer of graphite and many small Pt fragments. The epitaxial growth of diamond on Pt substrate; is confirmed to be effective with a relationship of diamond(lll)//Pt(lll) and diamond(110)//Pt(110). A high-resolution image of the interface between diamond and Pt reveals that diamond particles directly connect with Pt-in the absence of an intermediate layer. In some areas, graphite also shows a structural relationship with the Pt substrate and diamond, The graphite(0001) planes tend to be formed parallel to the Pt surface. A high-resolution image ol the interface between graphite and diamond shows graphite(0001)//diamond(lll) with three diamond(lll) planes matching up with two graphite(0001) planes. Some possible heteroepitaxial and nucleation mechanisms are discussed.
引用
收藏
页码:2298 / 2302
页数:5
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