期刊
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
卷 39, 期 6, 页码 -出版社
A V S AMER INST PHYSICS
DOI: 10.1116/6.0001320
关键词
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The study focuses on the electronic structure of the close-packed metal overlayer system on the Cu(001) surface, covering the evolution from two-dimensional behavior at low coverages to three-dimensional behavior, and the convergence to three-dimensional dispersion observed in Ag(111). The research aims to understand the specific placement of the first monolayer Ag atoms on the Cu(001) substrate, but limitations in information extraction using photon-induced electron diffraction will be demonstrated with FEFF.
The close-packed metal overlayer system c(10 x 2)Ag/Cu(001) has been the subject of extensive electronic structure studies. These include the examination of the two-dimensional behavior at low coverages, the development from two- to three-dimensionality, and the convergence to three-dimensional dispersion as in Ag(111). It would be of use to have a firmer picture of the placement of the first monolayer Ag atoms (d) versus the Cu(001) substrate. However, it will be demonstrated with FEFF that there are fundamental limitations to the extraction of that information with photon-induced electron diffraction.
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