Fig. 5
From: Dispersion of Phonon Surface Polaritons in ZnGeP2: Anisotropy and Temperature Impacts
Dispersion of the PSP in ZnGeP2, C||y. 1 “real” PSP, 300 K; 2 “real” PSP, 4 K; 3 experimental “real” PSP, 300 K; 4 “light line”
Fig. 5 | Nanoscale Research Letters