679638.fig.004a
(a)
679638.fig.004b
(b)
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.