Comparison of dopant to copper atomic ratio determined by XPS and EDS.
| Technique | Mn/Cu | Fe/Cu | Co/Cu | Ni/Cu | Zn/Cu |
|---|---|---|---|---|---|
| XPS | 0.33 | 0.25 | 0.057 | 0.038 | 0.12 |
| EDS | 0.018 | 0.015 | 0.051 | 0.093 | 0.004 |
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