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Surface composition, as detected by X-ray Photoelectron Spectroscopy (XPS), of Ti and ColTi samples (data are expressed as % at.) and suggests that the thickness of the coating is very thin.
| Sample | O | C | N | Ti |
|---|---|---|---|---|
| Ti | 49.2 | 31.6 | 0.4 | 18.8 |
| ColTi | 23.8 | 59.3 | 14.3 | 2.7 |
