XPS and XAES studies of surface segregation and oxidation of Cu-Ge alloy
β Scribed by T.S.Sampath Kumar; M.S. Hegde
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 236 KB
- Volume
- 150
- Category
- Article
- ISSN
- 0167-2584
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Using XPS and x-ray-excited Auger electron spectroscopy (XAES), we have studied the variation in surface composition of CUO and Cu,O with a variety of high-vacuum treatments, including vacuum annealing, oxidation and hydrogen reduction. Prolonged annealing of CuO results in the formation of a thick
The oxidation of three aluminium-silicon alloys has been studied as a function of temperature. At temperatures below 473 K a thin passivating oxide Γlm is formed. At higher temperatures the segregation of the trace element magnesium to the surface is observed where it dominates the subsequent oxidat