Abstract
Photoluminescence and Raman spectra have been used to characterize the properties of diamond films grown by microwave plasma assisted chemical vapour deposition. Measurements at 77 K and excitation wavelengths in the range 476.5 nm to 514.5 nm show the presence of two components, A and B, in the Raman spectrum in addition to the diamond Raman line. The A and B components are rather similar in appearance and show resonant Raman behaviour. Electron irradiation results in the removal of the A and B Raman components, but they return to their original strength after heating at 600 °C. The Raman scattering species interact with other point defects in the cvd films during heat treatment, and may be related to the presence of silicon in the diamond film.
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© 1994 Springer Science+Business Media Dordrecht
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Clark, C.D., Dickerson, C.B. (1994). Electron irradiation and heat treatment of polycrystalline cvd diamond. In: Lettington, A.H., Steeds, J.W. (eds) Thin Film Diamond. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0725-9_7
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DOI: https://doi.org/10.1007/978-94-011-0725-9_7
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