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EELS investigation of plasmon excitations in aluminum nanospheres and carbon nanotubes

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Zeitschrift für Physik D Atoms,Molecules and Clusters

Abstract

High resolution transmission electron microscopy and electron energy loss spectroscopy are used to investigate plasmon losses of aluminum nanospheres and carbon nanotubes with high spatial resolution. We observe that some features of the spectra depend on the size of the particles. The suitability of a dielectric theory model to interpret the spectra is tested in the case of Al spheres. The model permits the identification of the observed peaks and reproduces the size dependent fetures. A similar model is applied to calculate excitation probabilities for carbon nanotubes.

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Authors and Affiliations

  1. Institut de Physique Expérimentale, Département de Physique, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland

    Thomas Stöckli, Jean-Marc Bonard & André Châtelain

  2. Centre Interdépartemental de Microscopie Electronique, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland

    Pierre-A. Stadelmann

Authors
  1. Thomas Stöckli
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  2. Jean-Marc Bonard
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  3. Pierre-A. Stadelmann
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  4. André Châtelain
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Correspondence to Thomas Stöckli.

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Stöckli, T., Bonard, JM., Stadelmann, PA. et al. EELS investigation of plasmon excitations in aluminum nanospheres and carbon nanotubes. Z Phys D - Atoms, Molecules and Clusters 40, 425–428 (1997). https://doi.org/10.1007/s004600050243

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  • DOI: https://doi.org/10.1007/s004600050243

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