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Two functions of Ni in the process of graphite thin-film formation from organic materials by chemical vapor deposition (CVD) were studied. When dehydrogenation of a certain organic material was enhanced by Ni during CVD at 600 and 700 °C, the graphite thin film could be formed on Ni at these temperatures. On the other hand, a lot of organic materials changed into graphite by CVD on Ni above 800 °C, which corresponds to the obtained result that Ni deposited on disordered graphite changed the disordered graphite to crystalline one by heat treatment above 800 °C.
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Yudasaka et al. (1995) studied this question.
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