871208.fig.002a
(a)
871208.fig.002b
(b)
871208.fig.002c
(c)
Figure 2: (a) High-resolution image, (b) selected-area electron diffraction pattern of Co-encapsulated carbon nanocapsule in specimen heated at 1073 K. (c) high-resolution image of interface between encapsulated Co cluster and graphitic layers in Co-encapsulated carbon nanocapsule depicted in (a).