Energetic Deposition and Surface Characterization of Thin Carbon Films on Nickel
Keyword(s):
Thin films deposited by rapidly quenching the energetic carbon species impinging onto polycrystalline nickel substrates were studied by X-ray photoelectron spectroscopy (XPS), electron energy loss spectroscopy (EELS), and field ion microscopy (FIM). XPS and EELS of the deposited films, when compared with those recorded for graphite and synthetic diamond, indicated the growth of diamond like carbon films and amorphic diamond (a-D) phase. Surface atomic arrangement in the film is observed by FIM which magnifies the surface ~105 to 106 times. Facetting, lack of graphitic ordering, stability of the image inspite of raising or lowering the voltage about the field evaporation voltage indicate that the field ion micrograph is that of a-D.
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