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    Plasmon excitations in carbon onions: Model vs. measurements

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    1999_16_AIP.pdf (1.420Mb)
    Date
    1998-03
    Author
    Stöckli, Thomas
    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.
    URI
    http://hdl.handle.net/1853/27805
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    • Center for Nanoscience and Nanotechnology Publications [105]

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