Table 1 Lattice parameters of Ba(Ti1−xSnx)4O9, 0 ≤ x ≤ 0.7 ceramics obtained from XRD.

From: Structural, optical and microwave dielectric properties of Ba(Ti1−xSnx)4O9, 0 ≤ x ≤ 0.7 ceramics

Composition (x)

Lattice parameters (Å)

Volume (Ǻ3)

Structure (space group)

Average crystallite size (D) nm

a

B

c

0.0

4.012

5.681

5.703

64.4

Orthorhombic (Pnmm)

90

0.3

4.024

4.024

4.045

65.1

 

50

0.5

4.036

4.036

4.057

65.7

Tetragonal (P4mm)

30

0.7

4.058

4.058

4.042

66.3

 

70