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. 2025 May 10;15:16329. doi: 10.1038/s41598-025-00618-x

Table 2.

The values of (Eg), (EU), (σ), and (Ee-p) and RMS of for the Ni @ amorphous carbon films at different deposition times 50, 90, 180, and 600 s.

Samples Deposition Time (s) The wavelength of absorption edge (nm) Eu (eV) Eg (eV) The constant (Inline graphic (nm) Steepness parameter (Inline graphic) (Ee−p) (eV) RMS (nm)
#1 50 710.26 1.829 1.32 43.01 14.05E-3 47.46 4.20
#2 90 660.76 1.592 1.68 41.91 16.17E-3 41.24 3.30
#3 180 846.32 1.901 1.28 42.51 13.53E-3 49.27 3.40
#4 600 702.06 1.704 1.38 41.64 15.12E-3 44.01 2.12