Table 1 Glass transition temperature (Tg), crystallization onset temperature (Tx), maximum crystallization temperature (Tp), thermal stability parameter (ΔT), density (ρ), and Tb3+ ion density values for the BGB-xTb glasses.
From: Magneto-optical borogermanate glasses and fibers containing Tb3+
Sample label | Tg (± 2 °C) | Tx (± 2 °C) | ΔT (± 4 °C) | ρ (± 0.002 g cm−3) | NTb3+ (1023 ions cm−3) |
|---|---|---|---|---|---|
BGB-0Tb | 545 | 740 | 195 | 3.449 | 0 |
BGB-4Tb | 570 | 766 | 196 | 4.504 | 20.0 |
BGB-6Tb | 585 | 842 | 257 | 4.766 | 26.2 |
BGB-8Tb | 605 | 910 | 305 | 5.035 | 31.1 |
BGB-14Tb | 684 | 814 | 130 | 5.722 | 39.2 |
BGB-16Tb | 720 | 820 | 100 | 5.984 | 41.2 |
BGB-18Tb | 703 | 837 | 118 | 6.119 | 42.0 |
