Surface-resonance-band fine structure in low-energy-electron diffraction from W(001)
- 15 January 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 17 (2), 909-911
- https://doi.org/10.1103/physrevb.17.909
Abstract
In this paper, I take up McRae's interesting comparison between published low-energy-electron-diffraction (LEED) results and our recent measurements of an electronic surface resonance band on W(001) by secondary-electron-emission spectroscopy (Willis, Feuerbacher, and Christensen). It is shown that the quantitative discrepancies reflect more the method of assignment used in LEED rather than any inherent disagreement. Also, the comparison between the two methods reveals new insight into the origin of threshold effects associated with (01) beam emergence conditions, which may offer an alternative explanation to that of a Rydberg spectrum for the high-resolution LEED fine structure recently reported by Adnot and Carette.Keywords
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