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