Abstract

The surface composition of various gold-palladium alloy systems has been determined by means of ISS (Ion Surface Scattering) and XPS (X-ray Photoelectron Spectroscopy). Besides the pure elements, 8 alloys with different bulk composition were examined. After cleaning the targets by sputtering with Ar ions, Au enrichment at the surface could be detected by ISS, whereas with XPS no difference between the surface and bulk compositions could be found.

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