Crystal Surface Symmetry from Zone-Axis Patterns in Reflection High-Energy-Electron Diffraction
- 26 November 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 53 (22) , 2125-2128
- https://doi.org/10.1103/physrevlett.53.2125
Abstract
New experimental techniques, sensitive to crystal surface symmetry, for reflection high-energy-electron diffraction have been developed and applied to the (001) surface of MgO. The techniques map the variation of the intensity of one or more diffracted beams as a function of the incident-beam orientation. The symmetry of these surface zone-axis patterns has been studied theoretically and confirmed experimentally. The techniques are expected to provide a sensitive means of surface characterization.Keywords
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