Abstract
The interface between diamond and silicon, fabricated by growing diamond films on (001) silicon by microwave plasma assisted chemical vapor deposition (MPACVD), was characterized by high-resolution transmission electron microscopy (HRTEM) and electron energy loss spectroscopy (EELS). Two types of interface morphology were identified. Type A interfaces contain an amorphous transition layer composed of silicon, carbon, and oxygen; the diamond overgrowth on this layer consists of nanocrystalline grains with random orientations. Type B interfaces consist of large diamond grains having special orientations with respect to the silicon substrate, without an obvious presence of a glassy phase and with a much lower oxygen content than type A interfaces.
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Tzou, Y., Bruley, J., Ernst, F. et al. TEM study of the structure and chemistry of a diamond/silicon interface. Journal of Materials Research 9, 1566–1572 (1994). https://doi.org/10.1557/JMR.1994.1566
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DOI: https://doi.org/10.1557/JMR.1994.1566