The Mobility of Carbon Atoms in Graphitic Nanoparticles Studied by the Relaxation of Strain in Carbon Onions

Authors

  • Yanjie Gan,

    1. Institut für Physikalische Chemie, Universität Mainz Welderweg 11, 55099 Mainz (Germany)
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  • Florian Banhart

    Corresponding author
    1. Institut de Physique et Chimie des Matériaux UMR 7504, Université de Strasbourg 23 rue du Loess, 67034 Strasbourg (France)
    • Institut de Physique et Chimie des Matériaux UMR 7504, Université de Strasbourg 23 rue du Loess, 67034 Strasbourg (France).
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  • Funding from NEDO (04IT4), the Electron Microscopy Centre Mainz (EMZM), and the International Max Planck Research School (IMPRS) is gratefully acknowledged. The authors wish to thank A. Krasheninnikov for helpful discussions.

Abstract

original image

Carbon onions can be set in a state of heavy self-compression when irradiated with an electron beam. Annealing at high temperature relaxes the structure by an exchange of atoms between the shells. This gives us the possibility tostudy atom jumps quantitatively.

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