Title:
Plasmon excitations in carbon onions: Model vs. measurements
Plasmon excitations in carbon onions: Model vs. measurements
Author(s)
Stöckli, Thomas
Wang, Z. L. (Zhong Lin)
Bonard, Jean-Marc
Stadelmann, Pierre
Châtelain, André
Wang, Z. L. (Zhong Lin)
Bonard, Jean-Marc
Stadelmann, Pierre
Châtelain, André
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Abstract
Non-relativistic local dielectric response theory has proven successful in the interpretation
of Electron Energy Loss data of nanometer-size isotropic particles of different
geometries. In previous work, we have adapted this model to take into account anisotropy as
encountered in the case of carbon onions. We have shown that this anisotropy needs to be
taken into account since important deviations with respect to an isotropic model can be
observed. In this contribution, we report on the first energy filtered images of carbon onions
and compare intensity profiles across the spheres to our calculations.
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Date Issued
1998-03
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Text
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Proceedings