Influence of chemical bond of carbon on Ni catalyzed graphitization

Autor:	Rie Kikuchi, Yoshimasa Ohki, Susumu Yoshimura, Kohji Tasaka, Masako Yudasaka, Etsuro Ota
Rok vydání:	1997
Předmět:	Materials science General Physics and Astronomy chemistry.chemical_element Diamond Chemical vapor deposition engineering.material Nickel Carbon film Amorphous carbon chemistry Chemical bond Chemical engineering engineering Organic chemistry Graphite Carbon
Zdroj:	Journal of Applied Physics. 81:7623-7629
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.365339
Popis:	Carbon diffuses into metal and recrystallizes as graphite, which is termed graphitization of carbon by metal. This study has revealed that the temperature at which this graphitization occurs depends on the initial state of the carbon. The lowest temperatures at which graphitization by Ni occurs for diamond, diamondlike amorphous carbon, graphite, and graphitelike amorphous carbon were 700, 500, 900, and 700 °C, respectively. It is shown that the temperature ranges at which graphitization by Ni occurs are correlated to the temperature ranges at which graphite can be formed on Ni by chemical vapor deposition using organic substances as starting materials.
Databáze:	OpenAIRE
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