Formal starting oxide mixture (mol %)

Symbol

Monolith samples

(SiO₂: 11 P₂O₅: 3Al₂O₃: 1.2 Er₂O₃: 1.8 Yb₂O₃: (0.7) Sm₂O₃)

SPAE_1.2Y_1.8S_0.7

(SiO₂: 11 P₂O₅: 3Al₂O₃: 1.2 Er₂O₃: 1.8 Yb₂O₃: (1.3) Sm₂O₃)

SPAE_1.2Y_1.8S_1.3

Thin film sample

(SiO₂: 11 P₂O₅: 3Al₂O₃: 1.2 Er₂O₃: 1.8 Yb₂O₃: (1.3 Sm₂O₃)

SPAE_1.2Y_1.8S_1.3