Crystals | Maximum phonon energy (cm−1) | Ga-O bonds length(Å) | Ga-O Mulliken populations |
YSGG | 728.2 | 1.90457 | 0.38 |
GYSGG | 732.1 | 1.90603 | 0.39 |
GSGG | 741.1 | 1.91698 | 0.46 |