Table 1 Crystallographic data of the SiTiNb-A samples thermally treated at 1073 and 1273 K.

From: Study of the characteristics and properties of the SiO2/TiO2/Nb2O5 material obtained by the sol–gel process

Fase

Sample

a (Å)

b (Å)

c (Å)

Vol (Å3)

Rwp (%)

Gof

Size (nm)

TiO2

SiTiNb-A-1073

3.884549

3.651779

9.922338

140.753

1.16

1.06

3.34

SiTiNb-A-1273

3.734697

3.653955

10.01743

136.702

1.63

1.55

6.80

Nb2O5

SiTiNb-A-1073

27.69484

3.832431

16.85335

1537.99

1.16

1.06

2.67

SiTiSb-A-1273

27.93331

3.782507

16.72712

1515.21

1.63

1.55

7.07

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