Table 1 Composition and properties of VPx glasses.
From: Controlling oxygen coordination and valence of network forming cations
Sample No. | Composition /mol% ± 0.5 | [V4+]/[Vtotal] ± 0.02 | Density/g cm−3 ± 0.0004 | Atomic number density/atom Å−3 | Melting temperature/°C | Thermal stability/°C ± 2 | |||
---|---|---|---|---|---|---|---|---|---|
V2O5 | P2O5 | Tg | Tc | ΔT | |||||
VP10 | 90.2 | 9.8 | 0.06 | 2.9712 | 0.0702 | 900 | 224 | 253 | 29 |
VP19 | 81.0 | 19.0 | 0.14 | 2.9315 | 0.0705 | 950 | 244 | 379 | 135 |
VP28 | 71.5 | 28.5 | 0.24 | 2.8926 | 0.0709 | 1000 | 280 | 420 | 140 |
VP37 | 63.5 | 37.5 | 0.38 | 2.8691 | 0.0716 | 1000 | 348 | 545 | 197 |
VP44 | 55.8 | 44.2 | 0.57 | 2.8613 | 0.0723 | 1150 | 413 | None | None |