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Table 1 Relative fraction of sp2, sp3, and C–O components for ta-C films deposited at different biases

From: Endothelialization of TiO2 Nanorods Coated with Ultrathin Amorphous Carbon Films

Bias Bonds
sp2 C–C
(%)
sp3 C–C
(%)
C–O
(%)
C1 (−100 V) 15.6 83.2 1.2
C2 (−300 V) 38.3 59.4 2.3
C3 (−900 V) 58.2 30.4 11.4