60
single crystals. The (111) and the (001) faces of C60 single crystals were illuminated with photons with energies below the band gap (generation of Frenkel-type excitons) or above the band gap. In the case of sub-band-gap illumination, reconstructed surfaces formed on the crystals. The reconstruction was represented by fringes running in the [11] and [00] directions on the (111) and (001) surfaces, respectively. As a result of supra-band-gap illumination, however, there appeared only cracks, without any fringes, which were oriented in directions characteristic of each face. The results suggest that the photo-induced surface reconstruction of C60 single crystals is induced via the recombination of Frenkel-type excitons.
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Received: 25 July 1997/Accepted: 1 October 1997
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Kim, Y., Jiang, L., Iyoda, T. et al. AFM observation of surface reconstruction of C60 single crystals . Appl Phys A 66 (Suppl 1), S763–S766 (1998). https://doi.org/10.1007/s003390051238
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DOI: https://doi.org/10.1007/s003390051238