679638.fig.001a
(a)
679638.fig.001b
(b)
Figure 1: (a) BF-TEM image and corresponding SAED pattern of CoPt nanoparticles after annealing at 973 K for 100 min (sample no. 1). (b) HAADF-STEM image of a CoPt nanoparticle with the L10-type ordered structure. FFT pattern is shown in the inset.