S. No.

Hexaferrites (1150˚C)

Lattice parameters a = b

Lattice parameter c

Lattice system

1

BaFe_11.6Zn_0.2Nb_0.2O₁₉

5.89

23.19

Hexagonal

2

BaFe_11.2Zn_0.4Nb_0.4O₁₉

5.92

23.20

3

BaFe_10.8Zn_0.6Nb_0.6O₁₉

5.89

23.21

4

BaFe_10.4Zn_0.8Nb_0.8O₁₉

5.86

23.07