Abstract:Despite many studies have been carried, there is no clear understanding of the growth
mechanism involved in the high-pressure and high-temperature (HPHT) diamond synthesis with
metal catalyst, especially the problem about carbon source. In this paper, the lattice constants of
diamond, graphite and Fe3C at HPHT were calculated with the linear expansion coefficient and elastic
constant. Then based on the empirical electron theory of solids and molecules (EET), the valence
electron structures of them and their co… Show more
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