Figure 5

Fabrication of Pt NPs with the In15nm/Pt5nm bilayer based on the annealing between 550 and 900 °C for 450 s. (a) Schematic of In15nm/Pt5nm bilayer deposition. (b–i) AFM top-views of 1 × 1 μm2. (b-1)–(i-1) Typical Pt NPs at various temperature and corresponding line profiles. (j) Summary plots of Rq and SAR.