Acta Metallurgica Sinica (English Letters) >
Catalytic Effect Analysis of Metallic Catalyst During Diamond Single Crystal Synthesis
Received date: 2013-04-18
Revised date: 2013-09-21
Online published: 2014-03-11
By transition metals (Fe, Ni, Mn, Co) and their alloys as catalysts during the diamond synthesis, some transition phases will be formed, such as Fe3C type carbides and γ solid solutions. Based on the empirical electron theory of the solid and molecules, the valence electron structures of different kinds of carbides and γ solid solutions and the relative electron density differences of various diamond/carbide and γ solid solution/carbide interfaces were calculated and analyzed in this paper. The electron structure conditions of the ideal catalyst were presented by analyzing the different catalytic effects of the catalysts, which provide a new theoretical path to the optimal design of the catalyst composition.
Key words： Diamond; Catalytic effect; Carbide; Electronic structure
Li Li , Shibo Xing . Catalytic Effect Analysis of Metallic Catalyst During Diamond Single Crystal Synthesis[J]. Acta Metallurgica Sinica (English Letters), 2014 , 27(1) : 161 -167 . DOI: 10.1007/s40195-013-0019-x
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