Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5426211 | Surface Science | 2008 | 6 Pages |
Abstract
We combined scanning tunneling microscope/spectroscopy studies and first-principles calculations to investigate the evolution of the electronic structures associated with the adsorption of Au on the Si(1Â 1Â 1)-7Â ÃÂ 7 surface. The charge transfer between the deposited Au and its adjacent Si atoms was clearly revealed by the local density of states and charge density difference. The Au-5d states are hybridized with the Si-3p states and the dangling bonds of Si atoms are saturated, which induced a reduction of empty states at about +0.4Â eV and an increase of filled states with additional peaks at about â0.6Â eV and â1.5Â eV.
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Authors
Yinghui Zhou, Qi-Hui Wu, Changjie Zhou, Hua Zhang, Huahan Zhan, Junyong Kang,