Tellurite And Fluorotellurite Glasses For Active And Passive

2. Literature review; MDO 56
2.5.2.1. TeO2-ZnF2 glasses reported in the literature
Table (2.5) summarises the ZnF2 containing fluorotellurite compositions found in the
literature, and the melting procedures used:
Table (2.5): Fluorotellurite glasses reported in the literature and melting procedures used
(T = melting temperature and t = melting time)
Composition
Mol. %
ZnF2
Crucible
Material
T / °C
t /
min.
Ref.
9TeO2-2PbO-1ZnF2
8.20
4TeO2-1PbO-1ZnF2
7TeO2-2PbO-3ZnF2
3TeO2-1PbO-2ZnF2
16.40
24.80
33.20
Fused silica and
zirconia
950 to
1000
N/A [13]
75.9TeO2-9.13PbO-15.17ZnF2 15.17
63.29TeO2-7.99PbO-28.72ZnF2
52.14TeO2-6.93PbO-40.91ZnF2
42.79TeO2-5.4PbO-51.81ZnF2
28.72
40.91
51.81
N/A 3 750 15 [56]
64TeO2-24ZnO-12ZnF2
12.00
65TeO2-13ZnO-22ZnF2
22.00 Alumina 650 N/A [29]
65TeO2-2ZnO-33ZnF2
33.00
45.4TeO2-9PbO-45ZnF2-0.6PrF3 45.00 Platinum 600 30 [58]
63.3TeO2-8PbO-28.7ZnF2
28.70
52.1TeO2-7PbO-40.9ZnF2
42.1TeO2-6PbO-51.9ZnF2
37.7TeO2-5.3PbO-57ZnF2
40.90
51.90
57.00
N/A N/A N/A [59]
61.7TeO2-14.9ZnO-23.4ZnF2
44.9TeO2-17.3ZnO-37.8ZnF2
23.40
37.80
Silica 650 60 [60]
68TeO2-12PbO-20ZnF2
20.00
59TeO2-11PbO-30ZnF2
50TeO2-10PbO-40ZnF2
30.00
40.00
Platinum 600 30 [61]
46TeO2-9PbO-45ZnF2
45.00
50TeO2-9.6As2O3-40ZnF2-0.4Cr2O3 40.00
50TeO2-9.6Bi2O3-40ZnF2-0.4Cr2O3 40.00 N/A N/A N/A [62]
50TeO2-9.6P2O5-40ZnF2-0.4Cr2O3 40.00
74.7TeO2-18.3ZnO-7.1ZnF2
7.10
74.6TeO2-8.8ZnO-16.6ZnF2
16.60
69TeO2-9.3ZnO-21.7ZnF2
21.70 Platinum 650-800 20 [30, 31]
60.5TeO2-12ZnO-27.5ZnF2
27.50
46.6TeO2-18.2ZnO-35.2ZnF2
35.20
3 No data given in reference.