Corrosion Resistance of DLC Film-Coated SUS316L Steel Prepared by Ion Beam Enhanced Deposition

Table 2

Raman features, i.e., ID/IG ratio and G-peak position of different DLC coatings.

Substrate	CH4/H2 = 1 : 1	CH4/H2 = 1 : 1	CH4/H2 = 1 : 0	CH4/H2 = 1 : 0
	6 h	12 h	6 h	12 h
ID/IG	1.03	1.30	1.21	1.31
G-peak (cm^−1)	1558.45	1568.91	1568.85	1570.53