A Description of Multiscale Modeling for the Head-Disk Interface Focusing on Bottom-Level Lubricant and Carbon Overcoat Models

Figure 18

Morphology of PFPE films from MD simulations: (a) schematic of simulated surface roughness for (b) molecular weight dependence (𝑁_𝑝=10 (upper), 15 (middle), and 20 (bottom)) and (c) endbead functionality dependence (𝜀^𝑝_𝑤=𝜀^𝑝=1 (upper) and 𝜀^𝑝_𝑤=𝜀^𝑝=4 (bottom)).

(a)

(b)

(c)