Attenuation lengths of low-energy electrons in free-standing carbon films |
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| Institution: | 1. Energy and Environment Directorate, Nuclear Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99352, USA;2. National Center for Electron Microscopy, Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA |
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| Abstract: | Attenuation lengths for electrons passing through a free-standing 40-Å carbon film are reported for electron energies between 6 and 1200 eV. Attenuation lengths for inelastic scattering are found to decrease from approximately 20 Å at 1200 eV to 6 Å in a broad minimum at 40 eV and then to rise to 9 Å at 6 eV. The results are in satisfactory agreement with theory between 200 and 1200 eV where appropriate calculations are available. |
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