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Optical response of cesium coated C60

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Abstract

Photoabsorption spectra are reported for Cs n + and C60Csn+ + clusters for n=40, 60, 120 and 310. The spectra were obtained by heating the mass selected clusters in a beam by means of photoabsorption until they evaporated metal atoms. The resulting mass loss was observed in a time-of-flight mass spectometer. The plasmon-like resonance in pure Cs clusters shifts to lower energies with decreasing cluster size. The collective electronic excitations in clusters containing C60 are split in energy as would be expected for fullerene molecules coated with layers of metal.

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Correspondence to S. Frank.

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Frank, S., Malinowski, N., Tast, F. et al. Optical response of cesium coated C60 . Z Phys D - Atoms, Molecules and Clusters 40, 250–253 (1997). https://doi.org/10.1007/s004600050203

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Keywords

  • Cesium
  • Drift Tube
  • Fullerene Molecule
  • Double Peak Structure
  • Complex Dielectric Function