{HEAD ~ Adhesion} between the substrate and the diamond like {TAIL ~ carbon film} is improved by such an intermediate layer 
{ HEAD ~ Adhesion } between the substrate and the diamond like { TAIL ~ carbon film } is improved by such an intermediate layer
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH