Generation of Graphitic Onions

  • D. Ugarte
  • W. A. de Heer
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 117)


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.


Electron Irradiation High Resolution Electron Microscope Macroscopic Quantity Carbon Onion Carbon Soot 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • D. Ugarte
    • 1
  • W. A. de Heer
    • 1
  1. 1.Institut de Physique ExpérimentaleEcole Polytechnique Fédérale de LausanneLausanneSwitzerland

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