Table 1 Input data for ZnGeP2
From: Dispersion of Phonon Surface Polaritons in ZnGeP2: Anisotropy and Temperature Impacts
B 2 modes | ||||||||
4 K | 300 K | |||||||
ε ∞ | 10.68 | ε ∞ | 10.04 | |||||
ν L , cm−1 | γ L , cm−1 | ν T , cm−1 | γ T , cm−1 | ν L , cm−1 | γ L , cm−1 | ν T , cm−1 | γ T , cm−1 | |
1 | 362 | 2.0 | 343 | 1.9 | 361 | 2.1 | 340 | 3.5 |
2 | 412 | 2.2 | 403 | 1.1 | 409 | 2.8 | 400 | 1.8 |
E modes | ||||||||
4 K | 300 K | |||||||
ε ∞ | 10.05 | ε ∞ | 10.04 | |||||
ν L , cm−1 | γ L , cm−1 | ν T , cm−1 | γ T , cm−1 | ν L , cm−1 | γ L , cm−1 | ν T , cm−1 | γ T , cm−1 | |
1 | 205 | 12.0 | 205 | 16.0 | 203 | 5.7 | 203 | 6.8 |
2 | 334 | 5.8 | 329 | 3.6 | 332 | 4.8 | 328 | 6.2 |
3 | 378 | 2.4 | 371 | 0.9 | 375 | 2.1 | 368 | 0.7 |
4 | 403 | 1.5 | 388 | 1.1 | 399 | 2.7 | 385 | 1.3 |