Table 1.
Chemical composition of investigated surfaces by X-ray photoelectron spectroscopy (atomic %).
| Group | Ti2p | O1s | C1s | Ca2p | Na1s | N1s |
|---|---|---|---|---|---|---|
| Ti | 18.4 | 53.7 | 25.1 | 1.7 | 1.1 | |
| Nano | 22.2 | 55.4 | 21.7 | < 0.1 | 0.7 | |
| Nano/Ca | 12.2 | 51.3 | 22.1 | 12.8 | 0.8 | 0.8 |
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