Z-Contrast STEM Imaging of Long-Range Ordered Structures in Epitaxially Grown CoPt Nanoparticles

Figure 4

HAADF-STEM images of the L1₀-CoPt nanoparticles with sizes of 3–5 nm in diameter (sample no. 3). Annealing was performed at 873 K for 1 h. (a) Single-variant nanoparticles, (b) multivariant nanoparticles.

(a)

(b)