The threshold displacement energy of buckminsterfullerene C$_{60}$ and formation of the endohedral defect fullerene He@C$_{59}$ [CL]

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http://arxiv.org/abs/1804.04374


We have measured the threshold center-of-mass energy for knocking out a single carbon atom from C${60}^-$ in collisions with He. Combining this experimental result with classical molecular dynamics simulations, we determine a semi-empirical value of 24.1$\pm$0.5 eV for the threshold displacement energy, the minimum energy needed to remove a single carbon atom from the C${60}$ cage. We report the first observation of an endohedral complex with an odd number of carbon atoms, He@C$_{59}^-$, and discuss its formation and decay mechanisms.

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M. Stockett, M. Wolf, M. Gatchell, et. al.
Fri, 13 Apr 18
17/47

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