Table 2 Spectral characteristics of the Sh-II-1 sample before and after annealing
From: Local structure and paramagnetic properties of the nanostructured carbonaceous material shungite
n / n | ν D (cm −1 ) | Г D (cm −1 ) | ν G (cm −1 ) | Г G (cm −1 ) | I D / I G | L a (nm) | ν D ′ (cm −1 ) |
|---|---|---|---|---|---|---|---|
Initial | 1,355.8 | 75.7 | 1,583.4 | 59.2 | 1.47 | 9.3 | 1,612.8 |
Annealed | 1,357.0 | 49.0 | 1,578.3 | 34.1 | 1.09 | 12.5 | 1,614.8 |