Fig. 3. Friction measurements.
Representative friction curves for (a) BM, commercial medium with commercial ~2.7 nm COC (CMC), commercial medium with commercial ~2.7 nm COC and ~1.0 nm PFPE lube (CMCL), BM coated with ~1.2 ± 0.2 nm PFPE lube (BML). b HDM coated with 1–4LG. c HDM with FCVA-ta-C of different thicknesses with 0.3 (3CF), 0.6 (6CF), 1.2 (12CF), and 1.8 nm (18CF) FCVA-deposited ta-C. d HDM coated with 1–4LG and ~1.2 ± 0.2 nm PFPE lubricant (L).