Figure 1From: Synthesis of cobalt nanoparticles on Si (100) by swift heavy ion irradiationAFM images showing 2-μm scans of the topography of pristine and O7+-irradiated samples, with increasing fluence. (a) Pristine, (b) 1 × 1011 ions/cm2, (c) 1 × 1012 ions/cm2, and (d) 1 × 1013 ions/cm2.Back to article page