Three-dimensional reconstruction by holographic LEED: Proper identification of the reference wave
- 15 July 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 52 (4) , 2941-2948
- https://doi.org/10.1103/physrevb.52.2941
Abstract
It is shown in this paper that the proper identification of the reference wave is the key to the successful reconstruction of a three-dimensional image of the configuration of an atomic adsorption site from a set of diffuse low-energy electron diffraction (DLEED) patterns of different electron energies, but the same direction of incidence of the electron beam. We develop a reconstruction algorithm based on this idea, and demonstrate its effectiveness by application to a set of calculated DLEED patterns. A powerful feature of our algorithm is that it also filters out any residual effects on the diffraction patterns of long-range order amongst the adsorbates, thus enabling the application of holographic LEED to disordered adsorbates of much higher coverage.Keywords
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