Table 1 Table showing the energies of the main π and π + σ plasmon resonance peaks in hBN, WSe2 and WSe2-hBN for q = 0 and |qmax| along Γ → M and Γ → K.
|q | | π − π∗ plasmon energy (eV) | π + σ plasmon energy (eV) | ||||
|---|---|---|---|---|---|---|
0 | 0.5× |Γ − Γ′| in Γ → M | 0.5× |Γ − Γ′′| in Γ → K | 0 | 0.5× |Γ − Γ′| in Γ → M | 0.5× |Γ − Γ′′| in Γ → K | |
hBN | 7.8 | 12.3 | 12.3 | 25.6 | 30.4 | 30.3 |
WSe2 | 7.9 | 10.4 | … | 22.8 | 25.2 | 24 |
WSe2-hBN | 7.86 | 12.2 | 12.3 | 24.6 | 29.7 | 31.15 |
