Fine Structures Of The Fe--Based Metal Film Covering Synthetic Diamond Single Crystal
XU Bin; CUI Jianjun; WANG Shuhua;LI Musen; LI Chengmei; FENG Liming
Department of Materials Science & Engineering; Shandong Institute of Architecture and Engineering; Jinan 250014
Cite this article:
XU Bin; CUI Jianjun; WANG Shuhua; LI Musen; LI Chengmei; FENG Liming. Fine Structures Of The Fe--Based Metal Film Covering Synthetic Diamond Single Crystal. Acta Metall Sin, 2005, 41(4): 444-448 .
Abstract Scanning Auger microprobe (Auger) and X--ray photoelectron spectroscopy
(XPS) have been used to investigate the fine structures of the Fe--Ni--C
film covering as--grown diamond single crystal synthesized at high
temperature and high pressure (HPHT). It is shown that the fine
structures of iron and carbon atoms have greatly been transformed
only in the inner part of the film adjacent to diamond; the binding
energies in the valence bands of iron and nickel atoms on the film
contacting diamond obviously increase compared to those in
other regions of the film. Hereby, the inner part and diamond/film
interface play an important role in the diamond growth under
HPHT. It is suggested that the catalysis of iron and nickel to carbon
should be finished on the interface or in the inner part of the film.
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