STUDY OF THE Pt/Ru(0001) INTERFACE
The growth process of platinum on Ru(0001) near room temperature was characterized using photoelectron spectroscopy of high resolution. The binding energy position and intensity of the Pt 4f7/2 and Ru 3d5/2 core levels as well as the shape and structure of the valence band spectra corresponding to the different stages of the deposition were analyzed. Up to ca. two adsorbate monolayers, the intensity changes of the peaks indicated layer-by-layer growth mode. The surface core level shifts of Ru and Pt levels were evaluated as -0.33 and -0.476 eV, respectively. The valence band spectra show a rather weak interaction between the d-bands of Pt and Ru.
Year of publication: |
2007
|
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Authors: | GODOWSKI, P. J. ; LI, Z. S. ; BORK, J. ; ONSGAARD, J. |
Published in: |
Surface Review and Letters (SRL). - World Scientific Publishing Co. Pte. Ltd., ISSN 1793-6667. - Vol. 14.2007, 05, p. 911-914
|
Publisher: |
World Scientific Publishing Co. Pte. Ltd. |
Subject: | Platinum | ruthenium | photoelectron spectroscopy | surface core level shift | surface structure |
Saved in:
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