Detection of Optical Surface Guided Modes in Thin Graphite Films by High-Energy Electron Scattering
- 11 August 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 35 (6) , 390-393
- https://doi.org/10.1103/physrevlett.35.390
Abstract
High-angular-resolution (∼8× rad), high-energy (75 keV), electron scattering from graphite thin films demonstrates energy losses due to the excitation of optical surface guided modes. Measurements of the dispersion offer considerable support for the anisotropic dielectric constant proposed by Tosatti and Bassani.
Keywords
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