Table 2. Raman Fit Parameters and Corresponding EF, Doping Type, n, Strain, nD, and Error Bars.
| Samples | SLG1 | Encapsulated SLG1 | SLG2 | Encapsulated SLG2 |
|---|---|---|---|---|
| Pos(G) (cm–1) | 1592 ± 3 | 1596 ± 1 | 1596 ± 1 | 1585 ± 5 |
| FWHM(G) (cm–1) | 14 ± 3 | 12 ± 2 | 11 ± 2 | 17 ± 2 |
| Pos(2D) (cm–1) | 2692 ± 3 | 2691 ± 1 | 2694 ± 2 | 2689 ± 2 |
| FWHM(2D) (cm–1) | 31 ± 1 | 30 ± 1 | 29 ± 3 | 30 ± 4 |
| A(2D)/A(G) (cm–1) | 2.2 ± 0.4 | 5.6 ± 1.7 | 2.7 ± 0.1 | 6.3 ± 0.7 |
| I(2D)/I(G) (cm–1) | 2.7 ± 0.7 | 2.4 ± 1 | 1.8 ± 0.1 | 3.5 ± 0.5 |
| I(D)/I(G) (cm–1) | 0.07 ± 0.03 | 0.03 ± 0.04 | 0.05 ± 0.04 | 0.13 ± 0.13 |
| EF (meV) | 190 ± 80 | 276 ± 158 | 292 ± 87 | 180 ± 130 |
| Doping type | p | p | p | p |
| n (×1012) (cm–2) | 2.6 ± 2.0 | 8.5 ± 9.5 | 5.8 ± 3.2 | 3.9 ± 3.8 |
Uniaxial strain ( ) |
-0.20 ± 0.32 | -0.15 ± 0.18 | -0.07 ± 0.17 | 0.08 ± 0.07 |
Biaxial strain ( ) |
-0.08 ± 0.14 | -0.06 ± 0.07 | -0.02 ± 0.06 | 0.003 ± 0.02 |
| nD (×1010) (cm–2) | 2.6 ± 0.4 | 1.6 ± 0.9 | 2.5 ± 0.6 | 4.2 ± 2.7 |