Research Article

Titanium Coated with Graphene and Niobium Pentoxide for Biomaterial Applications

Figure 7

Surface morphology of specimens. (a) cp Ti. (b) cp Ti-GO. (c) cp Ti-NB. (d) cp Ti-NBGO. The color scale on the right side indicates the size of surface irregularities in the form of peaks and valleys. The green color indicates the presence of surface cavities, and the red color indicates the peaks.