Beam Rocking Auger Electron Spectroscopy of a Si(111)√3×√3-Ag Surface
Open Access
- 9 April 2020
- journal article
- research article
- Published by Surface Science Society Japan in e-Journal of Surface Science and Nanotechnology
- Vol. 18, 139-145
- https://doi.org/10.1380/ejssnt.2020.139
Abstract
The Auger electron intensities of Si-LVV and Ag-MNN from a Si(111)7×7 and a Si(111)√3×√3-Ag surfaces were measured for varying glancing angles of the incident electron beam in reflection high-energy electron diffraction, known as the beam rocking Auger electron spectroscopy (BRAES). The energy of incident electron beams used was 10 and 5 keV. The intensity anomalies observed in these BRAES profiles on the surface wave resonance condition were more pronounced for the 5-keV incident beam than for the 10-keV beam. It was found from BRAES profiles of the Si(111)√3×√3-Ag surface by the 5-keV incident beam that the intensity enhancements of Si-LVV differed from those of Ag-MNN at the [112] incidence, but were similar at the [101] incidence. This result can be interpreted qualitatively by the wave field periodicity parallel to the surface.Keywords
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