Figure 10

EDX elemental imaging at the ball scar of UNCD(0%H2) films in ambient: (a), (b) C-K edge, (c) O-K edge, (d) Al-K edge, (e) superimposed imaging of all elements, (f) backscattered image of ball scar where selected square area shows imaging region and (g and h) EDX spectra from the red and gray region located in an inset as the pie chart in figure (a).