Generation of Graphitic Onions
We present a structural study of nanometric graphitic particles formed by nested fullerenes (onion-like). Carbon onions generated by high energy electron irradiation of carbonaceous materials present a remarkable spherical shape. As the electron bombardment is realized in situ in a electron microscope, the dynamic of the formation may be followed in real time. Macroscopic quantity of onion-like graphitic particles (3-10 nm in diameter) may be obtained by a simple thermal treatment of carbon soot.
KeywordsGraphite Attenuation Cage Fullerene Tantalum
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