Abstract
Amorphous boron nitride films were prepared on Si substrates by plasma enhanced chemical vapor deposition with a BCl3-N2-Ar-H2 gas mixture. The surface of the resulting films indicated a Knoop hardness of 60000-80000 N/mm2 at a loading force of 100 mN. Scratching test revealed that the critical load of the boron nitride films was higher than that of diamond like carbon films prepared on Si substrates.
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