Synthesis of Cobalt-Encapsulated Carbon Nanocapsules Using Cobalt-Doped Fullerene Nanowhiskers

<table>Variation in the thickness of graphitic layers with the diameter of Co clusters in Co-encapsulated carbon nanocapsules prepared by heating at 1073 K.</table>

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Figure 3

Figure 3: Synthesis of Cobalt-Encapsulated Carbon Nanocapsules Using Cobalt-Doped Fullerene Nanowhiskers 