Spectroscopic Evaluations of Interfacial Oxidative Stability of Phosphonic Nanocoatings on Magnesium

Table 3

Surface rms values variation over time.

Sample	rms value (nm)
Plain Mg (control)	11.6 ± 0.25
0-day Mg SAM	2.30 ± 0.27
1-day Mg SAM	2.63 ± 0.29
3-day Mg SAM	2.82 ± 0.09
7-day Mg SAM	2.68 ± 0.33
14-day Mg SAM	2.81 ± 0.23
21-day Mg SAM	2.99 ± 0.34