Bragg Reflection Half-Widths in Low-Energy Electron Diffraction
- 9 November 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 25 (19), 1338-1342
- https://doi.org/10.1103/physrevlett.25.1338
Abstract
The range in energy over which Bragg reflections are excited in low-energy electron diffraction is anomalously large when compared with the expected values of the energy band gaps. It is concluded that elastic scattering is restricted to within 2-4 atom layers of the surface in all materials studied, preventing a direct comparison between low-energy electron-diffraction data and band structure.Keywords
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