Table 1 The temperatures of glass transition (Tg), onset crystallization (Tx) and peak crystallization (Tp) as well as thermal stability parameters ΔT and S in various glass systems (mol%)

From: Mid-infrared fluorescence, energy transfer process and rate equation analysis in Er3+ doped germanate glass

Samples

Tg (°C)

Tx (°C)

Tp (°C)

ΔT (°C)

S (K)

References

Y1Er

617

761

774

144

2.10

This work

Y2Er

618

753

768

135

2.27

 

Y3Er

619

753

768

134

2.25

 

N1Er

530

675

693

145

3.25

 

N2Er

564

697

717

133

3.18

 

N3Er

580

714

731

134

2.67

 

53.32SiO2-21.36Al2O3-21MgO-4.32TiO2

786

865

879

79

1.98

22

38SrF2-37NaF-10AlF3-15Al(PO3)3

462

549

565

87

1.89

23